dighem iii sur - ontario · radio altimeter, video camera, analog and digital recorders, a vlf...
TRANSCRIPT
B'RCH^UAKE 010
Report 11056-B-C-D
DIGHKM111 SURVEY
FOR
NORANDA EXPLORATION COMPANY LIMITED
SHEBANDOWAN AREA
ONTARIO
2.130^3NTS 52 B/7-10, 52A/12
RECEIVED
MM
DIGHEM SURVEYS 6 PROCESSING INC. Douglas L. Mcconnell MISSISSAUGA, ONTARIO Geophysicist April 20, 1989
A1056APR.90R
SUMMARY
A DIGHEM111 survey was flown for Noranda Exploration
Company Limited, over the Shebandowan area in Ontario. The
survey comprised approximately 2620 line-km.
The purpose of the survey was to detect conductive
zones, and to map the magnetic properties of the rock units
within the survey area.
Numerous bedrock conductors were detected by the
electromagnetic survey. Some of these appear to correlate
with magnetic anomalies. The 7200 Hz coplanar EM data were
used to generate contour maps of the apparent resistivity.
These show the conductive properties of the survey area. The
total field and calculated vertical gradient magnetics yield
valuable information about the geology and bedrock structure.
The VLF data show numerous, moderately strong trends, some of
which may reflect bedrock structure or stratigraphy.
The survey area exhibits potential as host for both
conductive massive sulphide deposits and weakly conductive
zones of disseminated mineralization. A comparison of the
various geophysical parameters, compiled with geological and
geochemical information, should be useful in selecting
targets for follow-up work.
Seal ei:!.000.000
Aihelt tone
52A/12. 52B/7-I2
FIGURE l
SHEBANDOWAN AREA
52B10SE0839 2 .13073 BURCHELL LAKE
CONTENTS
010C
APPENDICES
A. List of Personnel
B. Statement of Cost
C. Statement of Qualifications
D. EM Anomaly List
Section
INTRODUCTION . . . . . . . . . . . .. . . . . . . . . . . . . . . . . .. . . . .. . ... l
SURVEY EQUIPMENT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ... 2
PRODUCTS AND PROCESSING TECHNIQUES . . . . . . . . . . . ....... 3
SURVEY RESULTS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ... 4Conductor Descriptions.......................... 4-13
Sheet #1...................... . ..,............ 4-14Sheet #2...................................... 4-18Sheet #3....................... ... . . .......... 4-22Sheet #4...................................... 4-24Sheet #5...................... . ............... 4-25
BACKGROUND INFORMATION ............. . . . .. . .. . . . . . .. . . 5
CONCLUSIONS AND RECOMMENDATIONS .... . . . . . . . . . . . . . . . . . 6
- 1-1 -
INTRODUCTION
A DIGHEM111 electromagnetic/resistivity/magnetic/VLF
survey was flown for Noranda Exploration Company Limited,
from January 20 to February 9, 1989, over the Shebandowan
area in Ontario (Figure 1). The survey area is located on
NTS map sheets 52 B/7-10 and 52 A/12.
The survey area was divided into three blocks. The
following table gives the details of these blocks.
Table 1-1 Survey Blocks
Block
B
C
D
Lines
From
20010
30010
40010
To
21790
30700
41330
Flight Direction
150V330*o'/ieo*
014V194*
Line-km
1483
352
785
The survey lines were flown with a 200 m separation.
Tie lines were flown parallel to the survey boundaries.
The survey employed the DIGHEM111 electromagnetic
system. Ancillary equipment consisted of a magnetometer,
- 1-2 -
radio altimeter, video camera, analog and digital recorders,
a VLF receiver and an electronic navigation system.
The survey results are shown on five separate map sheets
for each parameter. Table 1-2 lists the products which can
be obtained from the survey. Those which are part of the
contract are indicated on this table by showing the
presentation scale. These total 25 maps, 10 colour plots
and 7 shadow maps.
Recommendations for additional products are included in
Table 1-2. These recommendations are based on the
information content of products that would contribute to
reducing the cost of follow up, or increasing the likelihood
' of exploration success
I
- 1-3 -
Table 1-2 Plots Available from the Survey
NO. OF MAP [Parameter Number] SHEETS
Electromagnetic Anomalies [1] 5
Probable Bedrock Conductors
Resistivity ( 900 Hz)
Resistivity ( 7,200 Hz) [5,5] 5
EM Magnetite
Total Field Magnetics [2,2,6] 5
Enhanced Magnetics
Vertical Gradient Magnetics [3] 5
2nd Vertical Derivative Magnetics
Magnetic Susceptibility
Filtered Total Field VLF [4] 5
Electromagnetic Prof iles ( 900 Hz)
Electromagnetic Prof iles (7200 Hz)
Overburden Thickness
Digital Profiles
ANOMALY MAP
20,000
-
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
PROFILES CM MAP
N/A
N/A
-
-
-
-
-
-
-
-
-
-
-
-
CONTOURSIKK CQDCR
N/A
N/A
-
20,000
-
20,000
-
20,000
-
-
20,000
N/A
N/A
-
N/A
N/A
-
20,000
-
20,000
-
***
-
-
-
N/A
N/A
-
Worksheet profiles
Interpreted profiles
SHADOW MAP
N/A
N/A
-
-
mm
20,000*
-
-
-
-
-
N/A
N/A
-
15,000
-
N/A***
Not availableHighly recommended due to its overall information content
** Reccninended* Qualified recommendation, as it may be useful in local areas
Not recommended20,000 Scale of delivered map, i.e, Is20,000 [ 3 The parameter number appears with the sheet number in the map title block* Two additional sheets were needed to present the shadow maps due to differing
sun angles for areas sharing a common sheet.
- 2-1 -
SUBYE5LBQUIPMENT
This section provides a brief description of the
geophysical instruments used to acquire the survey datai
Electromagnetic System
Modeli DIGHEM111
Type* Towed bird, symmetric dipole configuration, operated at a nominal survey altitude of 30 metres. Coil separation is 8 metres.
Coil orientations/frequencies i coaxial f 9 00 Hzcoplanar/ 900 Hzcoplanar/ 7,200 Hz
Sensitivity: 0.2 ppm at 900 Hz0.4 ppm at 7,200 Hz
Sample rate: 10 per second
The electromagnetic system utilizes a multi-coil
coaxial/coplanar technique to energize conductors in
different directions. The coaxial transmitter coil is
vertical with its axis in the flight direction. The coplanar
coils are horizontal. The secondary fields are sensed
simultaneously by means of receiver coils which are maximum
coupled to their respective transmitter coils. The system
yields an inphase and a quadrature channel from each
transmitter-receiver coil-pair.
- 2-2 -
Magnetometer
Model i Picodas Cesium
Sensitivity: 0.01 nT
Sample rate t 10 per second
The magnetometer sensor is towed in a bird 15 m below
the helicopter.
Magnetic Base Station
Model i Geometrics G-826A
Sensitivity! 0.50 nT
Sample rate: once per 5 seconds
An Epson recorder is operated in conjunction with the
base station magnetometer to record the diurnal variations
of the earth's magnetic field. The clock of the base station
is synchronized with that of the airborne system to permit
subsequent removal of diurnal drift.
VLF System
Manufacturer: Herz Industries Ltd.
Type: Totem-2A
Sensitivity: Q.1%
- 2-3 -
The VLF receiver measures the total field and vertical
quadrature components of the secondary VLF field. Signals
from tvo separate transmitters can be measured
simultaneously. The VLF sensor is towed in a bird 10 m
below the helicopter.
Radio Altimeter
Manufacturer i Honeywell/Sperry
Type: AA 220
Sensitivity: l m
The radio altimeter measures the vertical distance
between the helicopter and the ground. This information is
used in the processing algorithm which determines conductor
depth.
Analog Recorder
Manufacturer: RMS Instruments
Type: GR33 dot-matrix graphics recorder
Resolution: 4x4 dots/mm
Speed: 1.5 mm/sec
The analog profiles were recorded on chart paper in the
aircraft during the survey. Table 2-1 lists the geophysical
data channels and the vertical scale of each profile.
- 2-5 -
Digital Data Acquisition System
Manufacturer: RMS
Type: DAS8
Tape Deck: RMS TCR-12, 6400 bpi, tape cartridge recorder
The digital data were used to generate several computed
parameters.
Tracking Camera
Type: Panasonic Video
Model: AG 2400/WVCD132
Fiducial numbers are recorded continuously and are
displayed on the margin of each image. This procedure
ensures accurate correlation of analog and digital data with
respect to visible features on the ground.
Navigation System
Model: Del Norte 547
Type: UHF electronic positioning system
Sensitivity: l m
Sample rate: 0.5 per second
The navigation system uses ground based transponder
stations which transmit distance information back to the
helicopter. The ground stations are set up well away from
- 2-6 -
the survey area and are positioned such that the signals
cross the survey block at an angle between 30* and 150*.
After site selection, a baseline is flown at right angles to
a line drawn through the transmitter sites to establish an
arbitrary coordinate system for the survey area. The onboard
Central Processing Unit takes any two transponder distances
and determines the helicopter position relative to these two
ground stations in cartesian coordinates. These are
transformed into a known coordinate system (such as UTM)
during processing.
Aircraft
The instrumentation was installed in an Aerospatiale
AS350B turbine helicopter. The helicopter flew at an average
airspeed of 110 km/h with an EM bird height of approximately
30 m.
- 3-1 -
PRODUCTS AND PROCESSING TECHNIQUES
The following products are available from the survey
data. Those which are not part of the survey contract may be
acquired later. Refer to Table 1-2 for a summary of the
maps which accompany this report and those which are
recommended as additional products. Most parameters can be
displayed as contours/ profiles, or in colour.
Base Maps
Base maps of the survey area were prepared from 1150,000
topographic maps. These were enlarged photographically to a
scale of 1:20,000.
Flight Path
The cartesian coordinates produced by the electronic
navigation system were transformed into UTM grid locations
during data processing. These were tied to the UTM grid on
the base map.
Prominent topographical features on the flight videos
are correlated with the navigational data points, to check
that the data accurately relates to the base map.
- 3-2 -
Electromagnetic Anomalies
Anomalous electromagnetic responses are selected and
analysed by computer to provide a preliminary electromagnetic
anomaly map. This preliminary EM map is used, by the
geophysicist, in conjunction with the computer generated
digital profiles, to produce the final interpreted EM anomaly
map. This map includes bedrock, surficial and cultural
conductors. A map containing only bedrock conductors can be
generated, if desired.
Resistivity
The apparent resistivity in ohm-m may be generated from
the inphase and quadrature EM components for any of the
frequencies, using a pseudo-layer halfspace model. A
resistivity map portrays all the EM information for that
frequency over the entire survey area. This contrasts with
the electromagnetic anomaly map which provides information
only over interpreted conductors. The large dynamic range
makes the resistivity parameter an excellent mapping tool.
EM Magnetite
The apparent percent magnetite by weight is computed
wherever magnetite produces a negative inphase EM response.
The results are usually displayed on a contour map.
- 3-3 -
Total Field Magnetics
The aeromagnetic data are corrected for diurnal
variation using the magnetic base station data. The regional
IGRF gradient is removed from the data, if required under the
terms of the contract.
Enhanced Magnetics
The total field magnetic data are subjected to a
processing algorithm. This algorithm enhances the response
of magnetic bodies in the upper 500 m and attenuates the
response of deeper bodies. The resulting enhanced magnetic
map provides better definition and resolution of near-
surface magnetic units. It also identifies weak magnetic
features which may not be evident on the total field
magnetic map. However, regional magnetic variations, and
magnetic lows caused by remanence, are better defined on the
total field magnetic map. The technique is described in more
detail in Section 5.
Magnetic Derivatives
The total field magnetic data may be subjected to a
variety of filtering techniques to yield maps of the
following!
- 3-4 -
vertical gradient
second vertical derivative
magnetic susceptibility with reduction to the pole
upward/downward continuations
All of these filtering techniques improve the
recognition of near-surface magnetic bodies, with the
exception of upward continuation. Any of these parameters
can be produced on request. Dighem's proprietary enhanced
magnetic technique is designed to provide a general
"all-purpose" map, combining the more useful features of the
above parameters.
VLF
The VLF data can be digitally filtered to remove long
wavelengths such as those caused by variations in the
transmitted field strength. The results are usually
presented as contours of the filtered total field.
j Digital Profiles
Distance-based profiles of the digitally recorded
geophysical data are generated and plotted by computer.
These profiles also contain the calculated parameters which
are used in the interpretation process. These are produced
- 3-5 -
as worksheets prior to interpretation, and can also be
presented in the final corrected form after interpretation.
The profiles display electromagnetic anomalies with their
respective interpretive symbols. The differences between the
worksheets and the final corrected form occur only with
respect to the EM anomaly identifier.
Contour. Colour and Shadow Map Displays
The geophysical data are interpolated onto a regular
grid using a cubic spline technique. The resulting grid is
suitable for generating contour maps of excellent quality.
Colour maps are produced by interpolating the grid down
to the pixel size. The distribution of the colour ranges is
normalized for the magnetic parameter colour maps, and
matched to specific contour intervals for the resistivity and
VLF colour maps.
Monochromatic shadow maps are generated by employing an
artificial sun to cast shadows on a surface defined by the
geophysical grid. There are many variations in the shadowing
techniques. The various shadow techniques may be applied to
total field or enhanced magnetic data, magnetic derivatives,
VLF, resistivity, etc. Of the various magnetic products, the
- 3-6 -
shadow of the enhanced magnetic parameter is particularly
suited for defining geological structures with crisper images
and improved resolution.
- 4-1 -
SURVEY
GENERAL DISCUSSION
Tables 4-1 to 4-3 summarize the EN responses on the
electromagnetic anomaly maps with respect to conductance
grade and interpretation.
The electromagnetic anomaly maps show the anomaly
locations with the interpreted conductor type, dip,
conductance and depth being indicated by symbols. Direct
magnetic correlation is also shown if it exists. Bedrock
conductors are indicated by the interpretive symbols "D"
(for thin dikes) or "B" (for other conductor geometries).
Surficial conductors are identified by the interpretive
symbol "S". An "H" interpretive symbol is used to indicate a
broad or flat-lying conductive unit that appears to be
situated at some depth below surface. This may be due to
either bedrock or surficial sources. An anomaly due to the
edge of a broad conductor is given an "E" designation. The
interpretive symbol "L" is used to indicate a line source
such as a power line, or other response due to culture.
The anomalies shown on the electromagnetic anomaly maps
are based on a near-vertical, half plane model. This model
best reflects "discrete" bedrock conductors. Wide bedrock
- 4-2 -
TABLE 4-1
EM ANOMALY STATISTICS
FOR THE SHEBANDOWAN AREA. BLOCK B. ONTARIO
CONDUCTOR GRADE
7 6 5 4 3 2 l *
TOTAL
CONDUCTANCE RANGE SEIMENS (MHOS)
>50.0 -20.0 -10.0 -5.0 -1.0 -
<
100.0100.050.020.010.05.01.0
INDETERMINATE
NUMBER OF RESPONSES
31257
110119237224373
1135
CONDUCTOR MODEL
D B S E L
TOTAL
MOST LIKELY SOURCE
DISCRETE BEDROCK CONDUCTORDISCRETE BEDROCK CONDUCTORCONDUCTIVE COVEREDGE OF WIDE CONDUCTORCULTURE
NUMBER OF RESPONSES
358151593
l32
1135
(SEE EM MAP LEGEND FOR EXPLANATIONS)
- 4-3 -
TABLE 4-2
EM ANOMALY STATISTICS
FOR THE SHEBANDOWAN AREA. BLOCK C. ONTARIO
CONDUCTOR GRADE
765432l*
TOTAL
CONDUCTANCE RANGE SEIMENS (MHOS)
>50.0 -20.0 -10.0 -5.0 -1.0 -
<
100.0100.050.020.010.05.01.0
INDETERMINATE
NUMBER OF RESPONSES
OO
12 31 41 83 71
118
356
CONDUCTOR MODEL
D B S H E L
TOTAL
MOST LIKELY SOURCE
DISCRETE BEDROCK CONDUCTORDISCRETE BEDROCK CONDUCTORCONDUCTIVE COVERROCK UNIT OR THICK COVEREDGE OF WIDE CONDUCTORCULTURE
NUMBER OF RESPONSES
7129
2302l
23
356
(SEE EM MAP LEGEND FOR EXPLANATIONS)
- 4-4 -
TABLE 4-3
EM ANOMALY STATISTICS
FOR THE SHEBANDOWAN AREA. BLOCK D. ONTARIO
CONDUCTOR GRADE
7 6 5 4 3 2 l *
TOTAL
CONDUCTANCE RANGE SEIMENS (MHOS)
>50.0 -20.0 -10.0 -5.0 -1.0 -
<
100.0100.050.020.010.05.01.0
INDETERMINATE
NUMBER OF RESPONSES
O l
155098
181168219
732
CONDUCTOR MODEL
D B S E L
TOTAL
MOST LIKELY SOURCE
DISCRETE BEDROCK CONDUCTORDISCRETE BEDROCK CONDUCTORCONDUCTIVE COVEREDGE OF WIDE CONDUCTORCULTURE
NUMBER OF RESPONSES
12166
3872
156
732
(SEE EM MAP LEGEND FOR EXPLANATIONS)
- 4-5 -
conductors or flat-lying conductive units, whether from
surficial or bedrock sources, may give rise to very broad
anomalous responses on the EN profiles. These may not
appear on the electromagnetic anomaly maps if they have a
regional character rather than a locally anomalous character.
These broad conductors, which more closely approximate a half
space model, will be maximum coupled to the horizontal
(coplanar) coil-pair and should be more evident on the
resistivity parameter. The resistivity maps, therefore, may
be more valuable than the electromagnetic anomaly maps, in
areas where broad or flat-lying conductors are considered to
be of importance. Contoured and colour resistivity maps,
prepared from the 7200 Hz coplanar data are included with
this report.
Excellent resolution and discrimination of conductors
was accomplished by using a fast sampling rate of 0.1 sec and
by employing a common frequency (900 Hz) on two orthogonal
coil-pairs (coaxial and coplanar). The resulting "difference
channel" parameters often permit differentiation of bedrock
and surficial conductors, even though they may exhibit
similar conductance values. The inphase and quadrature
difference channels are displayed on the digital profiles.
Zones of poor conductivity are indicated where the
- 4-6 -
inphase responses are small relative to the quadrature
responses. Where these responses are coincident with strong
magnetic anomalies, it is possible that the inphase
amplitudes have been suppressed by the effects of magnetite.
Most of these poorly-conductive magnetic features give rise
to resistivity anomalies which are only slightly below
background. If it is expected that poorly-conductive
economic mineralization may be associated with magnetite-rich
units, most of these weakly anomalous features will be of
interest. In areas where magnetite causes the inphase
components to become negative, the apparent conductance
values may be understated and the calculated depths of EN
anomalies may be erroneously shallow.
Resistivity
Apparent resistivity maps were prepared from the 7200 Hz
coplanar EN data. These maps show the conductive properties
of the survey area.
Power lines in the survey area have severely affected the
resistivity contours. A herringbone pattern is evident in
the contours in blocks C and D. This is due to the different
angles of ascent and descent, depending on survey line
direction, as the helicopter crosses the power line. This
- 4-7 -
effect is common near large, high-voltage power lines.
There are also gaps in the middle of the grid in which no
resistivity data was calculated. This occurs where ground
effect has been lost due to the bird height required to cross
a power line. These gaps occur in narrow fiducial ranges in
the following line ranges: 21400 to 21440, 21450 to 21490,
21570 to 21640, 21780 to 21790, 30410 to 30470 and 30570 to
30620.
Some of the resistivity anomalies correlate with magnetic
trends. This suggests that they may reflect bedrock
features. For example, an arcuate low resistivity trend on
sheet B-l, comprising anomalies 20500B to 20470F to 20530D,
correlates with a similarly shaped trend on the total field
magnetic map.
Many of the narrow low resistivity zones correlate with
interpreted bedrock conductors. Some of these, such as the
zone associated with conductors 300300 to 30260E are
coincident with lakes. Conductive lake-bottom sediment may
be influencing the resistivities in these locations.
Surficial features appear to yield resistivities as low
as 50 ohm-m. For example, note the broad resistivity anomaly
- 4-8 -
associated with Middle Shebandowan lake on sheet 3 at line
30410. It does not appear to be possible to differentiate
between bedrock conductors and surficial conductors on the
basis of resistivity alone.
Magnetics
The total field magnetic data have been presented as
contours on the base maps using a contour interval of 10 nT
where gradients permit. The maps show the magnetic
properties of the rock units underlying the survey area.
The total field information has been subjected to a
processing procedure which calculates the vertical gradient.
This enhances near-surface magnetic units and removes the
regional magnetic background. This procedure provides better
definition and resolution of magnetic units, and also
displays weak magnetic features which may not be clearly
evident on the total field maps.
There is ample evidence on the magnetic maps which
suggests that the survey area has been subjected to
deformation and/or alteration. These structural complexities
are evident on the contour maps as variations in magnetic
intensity, irregular patterns, and as offsets or changes in
- 4-9 -
strike direction.
The stratigraphic strike direction as inferred from the
magnetics gently curves from northeast/southwest on sheet B-
1-2 through east/west to northwest/southeast on sheet B-5-2.
Numerous possible structural breaks are apparent. The
predominant orientations of these breaks appear to be
northwest/southeast and northeast/southwest. In area D,
several approximately north/south trending, magnetic, dike-
like features are evident.
Throughout the survey area, many of the magnetic bodies
are long, narrow, possibly stratiform units. Some folding of
these units is evident, particularly in the southern portion
of sheet B-2-2, where a large " S" shaped fold is apparent
between lines 20960 and 21220.
A large oval shaped feature in the northern half of the
survey area on sheet B-l-2, between lines 20460 and 20750,
yields relatively high magnetic responses. This correlates
with a syenite body mapped on the Shebandowan Geological
Compilation map, West Sheet, supplied by Noranda Exploration
Company Ltd. The eastern end of this unit is transected by a
north-northeast/south-southwest trending fault, which appears
to extend from anomaly 20430F to 20910B.
- 4-10 -
r
A long, narrow, strongly magnetic unit is located
coincident with the northern boundary of this oval body. It
also appears to continue westward, and is continuous except
for a few locations where it may be offset by faulting. It
is conductive in several locations, correlating with
conductors 20150C-20220E, 20230F-20340C, 20420B-20470C,
l 20531B-20560B, 20600B-20630B, 20710A-20720B, 20600B-20630B
and 20710A-20720B.
East of the oval magnetic body, between lines 21020 and
21310, is a large circular feature. The magnetics
associated with this unit are less active than that of the
oval feature to the west. This feature correlates with a
granitic body on the geological map.
l A strongly magnetic, lense shaped unit dominates the
t western portion of sheet 4, between lines 40330 and 30570. A
well-defined, north-northwest/south-southeast trending
j structural break is evident near the western end of this unit
on sheet B-3-2. This apparent break appears to extend from
the south end of line 30480 to the north end of line 30450.
The magnetic data in the vicinity of the power line may
! have been affected to a very minor degree. A subtle
herringbone is evident on the calculated vertical gradient,ti
- 4-11 -
which may have resulted from variations in bird height and
bird swing as the helicopter traversed the power line.
If a specific magnetic intensity can be assigned to the
rock type which is believed to host the target
mineralization, it may be possible to select areas of higher
! priority on the basis of the total field magnetic maps. This
is based on the assumption that the magnetite content of the
host rocks will give rise to a limited range of contour
values which will permit differentiation of various
lithological units.
The magnetic results, in conjunction with the other
geophysical parameters, should provide valuable information
which can be used to effectively map the geology and
structure in the survey areas.
VLF
VLF results were obtained from the transmitting stations
at Cutler, Maine (NAA - 24.0), and Annapolis, Maryland (NSS-
21.4). Data from the Annapolis station were presented as
contours of the filtered total field for blocks B and C, and
data from the Cutler station were presented for block D.
Adequate signals were not available during the flying of
- 4-12 -
lines 20380 through 20561 on block B.
The VLF method is quite sensitive to the angle of
coupling between the conductor and the propogated EM field.
Consequently, conductors which strike towards the VLF
station will usually yield a stronger response than
conductors which are nearly orthogonal to it.
Some of the VLF trends parallel magnetic features. These
may reflect conductive material associated with lithological
contacts or faulted contacts. There are some trends which
transect the stratigraphic strike direction as inferred from
the magnetics. These are indicative of conductive material
associated with structural breaks. Other structural breaks
may be inferred where the VLF contours are offset or
truncated.
Some of the possible and discrete bedrock conductors
yield well-defined trends on the VLF. Therefore, the VLF may
be useful as a ground follow-up tool. The filtered VLF will
also show trends due to the edges of flat-lying conductive
sources, such as lacustrine clays.
The VLF contours have been affected by cultural sources.
Power lines and roads in areas C, D and the eastern half of
- 4-13 -
area B yield strong, narrow VLF trends.
The VLF parameter does not normally provide the same
degree of resolution available from the EM data. Closely-
spaced conductors, conductors of short strike length or
conductors which are poorly coupled to the VLF field, may
escape detection with this method. Erratic signals from the
VLF transmitters can also give rise to strong, isolated
anomalies which should be viewed with caution. The filtered
total field VLF contours are presented on the base maps with
a contour interval of one percent.
CONDUCTOR DESCRIPTIONS
It is beyond the scope of this report to provide a
detailed interpretation of all the conductors within the
survey area. The Conductor Description^ section deals with
some of the most interesting geophysical targets that occur
within the survey area. It also mentions some of the
structural and formational conductors which may be important
as an aid for geological mapping. The anomaly lists appended
to this report should be consulted to ensure that no
anomalies attributed to bedrock sources are overlooked. All
bedrock anomalies can be considered potential targets for
further investigation.
- 4-14 -
Sheet 11
Conductors 20010B-20030A, 20010C-20040A, 20090B-20100B,
20140B-20150B, 20140D-20150D, 20160D-20181F,
20170B-20260F, 20181D, 20181E-20190D, 20220G-
202306, 20240E-20290D, 20280B-20290B, 20340B-
20410A, 20350C-20700A, 20680A-20690A
These conductors are associated with a zone of active
magnetics, which occupies the northern third of the
survey area on sheet B-l. The conductors reflect narrow
bedrock sources, most of which appear to dip to the
north. Some appear to be magnetic while others are non
magnetic. Those that are magnetic may reflect
pyrrhotite-rich sources or conductive material associated
with magnetite, while those that are not may reflect
graphite-rich or non-magnetic sulphide-rich sources.
Some of the shorter strike length conductors (one or two
line responses) such as 20280B-20290B may be more
attractive as exploration targets than the longer
structural or formational conductors, except where these
appear to be altered. This conductor also yields
magnetic correlation and appears to be strongly
conductive. Conductor 20090B-20100B is a short, weak,
conductor which loosely correlates with a small limb or
fold of magnetic material.
- 4-15 -
Conductor 20350C-20700A appears to correlate with the
Obadinaw fault which is mapped on the Shebandowan
Geological Compilation, West Sheet, supplied by Noranda
Exploration Company Limited.
Host of these conductors yield well-defined
resistivity anomalies and some correlate with VLF trends.
Conductors 20260C-20330B, 20360A-20380A
These reflect narrow, weakly conductive, north-
dipping bedrock sources, which occur near the north
survey boundary. They may reflect conductive material
associated with a contact or faulted contact.
Conductors 20130C-20220E, 20230F-20340C, 20410D, 20420B-
20470C, 20531B-20560B, 20600B-20630B, 20710A-
20720B, 20710A-20720B (sheet 12)
These conductors are directly associated with a long,
semi-continuous, strongly magnetic unit. This unit
generally strikes northeast/southwest except in the
vicinity of conductor 20420B-20470C, where it strikes
almost north/south. In this location, the unit appears
to fold so that it parallels the boundaries of a large
- 4-17 -
Conductors 20060D, 20060E, 20060F
These conductors are indicative of magnetic bedrock
sources. Although anomalies 20060E and 20060F have been
interpreted as two thin conductors, it is possible that
the response here may reflect a thick source (greater
than 10 m thickness). The high calculated conductances
and magnetic correlations are indicative of a pyrrhotite-
rich source. The magnetics suggest a structural break or
tight fold in this vicinity. Further investigation of
this source is likely warranted.
Conductors 20190I-20220L, 20210G-20240M, 20210H-202300,
20220K-20230M, 20220J-20360H, 20220I-20240K,
20220H-20280G, 20300G-20400D
These conductors comprise a "J" shaped low
resistivity zone. Most of the conductors appear to be
non-magnetic. They generally closely flank narrow
magnetic highs. The conductive material may be
associated with contact zones.
Conductor 20430F-20480H
This conductor is indicative of a magnetic bedrock
- 4-18 -
source. It appears to be most magnetic and most
conductive in the vicinity of anomaly 20440. Pyrrhotite-
rich mineralization is a likely source.
Conductor 20760F-20790E
! This conductor reflects a moderately conductive
bedrock source. It correlates with a magnetic unit,
which is evident on the calculated vertical gradient map.
Anomaly 207806 is a typical thick, massive sulphide-style
response.
Conductors 20070E-20100H, 20460I-20490H, 20590D-20610C,
20610D-20680F, 20620F-20640D, 20760G-20770G
These conductors reflect narrow, discrete bedrock
sources. Conductor 20070E-20100H possibly has direct
magnetic correlation in the vicinity of anomalies 20090K-
20100H, however, most of these conductors appear to flank
magnetic units. They may be associated with contact
zones.
Sheet 12
Most of the area of overlap of sheets il and 12 has been
- 4-19 -
' "^';'""'"rr:'^^^^
discussed under the Sheet fi heading.
Conductors 20720A-20730A, 20750A-20840B
i i
i These conductors reflect narrow, north-dipping,
moderately conductive bedrock sources. They flank a
j linear, narrow magnetic unit and are likely associated i
with a contact zone.
Conductor 20760H-20820G
This conductor appears to change in composition along
strike as some parts appear to be magnetic while others
j are non-magnetic. Anomaly 20810F, and possibly 208000,
reflect thick, magnetic, bedrock sources. The calculated
j vertical gradient map reveals important details which are
t not evident on the total field map, about the
magnetic/conductive relationships in the vicinity of
these anomalies.
l; Conductor 20910A-20921A
This narrow, north-dipping, bedrock source has a
i strike length of less than 400 m. Anomaly 20910A isi
associated with an isolated magnetic low which may result
- 4-20 -
from remanent magnetization. Anomaly 2092 1A correlates
with a magnetic high.
Conductor 20931B-21010G
This conductor correlates with a well-defined
magnetic low. It reflects a weakly conductive, non
magnetic, north-dipping, dike-like source.
Conductors 20981A-21180A, 20991C-21210B, 21150C-21180C
These conductors yield a narrow, arcuate, low
resistivity trend. This in part correlates with the
northern contact of the large circular body, which is
mapped as granite on the Shebandowan Geological
Compilation. Conductor 20991C-21210B may change in
composition from magnetic to non-magnetic along strike.
Conductor 20981A-21180A is non-magnetic. It appears to
become thicker in the vicinity of anomaly 21060B.
[ Conductor 21010E-21030E
rThis conductor reflects a narrow, weakly conductive,
bedrock source. The source may be magnetic in the
vicinity of anomaly 21020D. It occurs in an area with
- 4-21 -
complex magnetic contour patterns near the edge of the
aforementioned circular feature.
Conductors 20991A-21030A, 21080A-21120A, 21230A-21250A,
21290A-21330A, 21330B-21340B, 21420B-21480B,
21490A-21510A
These conductors occur in a zone of relatively
inactive magnetics, which is located coincident with the
northern survey boundary across most of sheet B-2. the
conductors reflect narrow, non-magnetic bedrock zones.
Conductors 20810E-20850G, 20910E-20950C, 20981F-21080F,
21020F, 21040E, 21050F, 210501, 21150F-21170G,
21370F-21420D
These conductors occur in areas of active magnetics
near the southern survey boundary. Most of the
conductors are non-magnetic but flank magnetic units.
They may reflect graphite-rich or non-magnetic sulphide-
rich material associated with contacts.
Anomalies 21150E, 21161F and 21180E yield bedrock
style anomaly shapes, and discrete low resistivity
anomalies. However, they correlate with an area labelled
- 4-22 -
"Mine Waste" on the map. These anomalies have been
labelled B? and S? as it is not possible to rule out
culture as a possible source.
Sheet *3
Conductor 21510C-21570A
This conductor is indicative of a narrow, weakly
conductive, non-magnetic bedrock unit. This unit is
evident as a distinct low on the total field magnetic
map. It yields well-defined resistivity and VLF
anomalies.
Conductor 21590F-21710D, 30010A-30060B
The calculated vertical gradient magnetic contours
indicate that these conductors may occur along the same
stratigraphic zone. These weakly conductive, narrow,
bedrock sources flank strong magnetic responses. They
likely reflect conductive material associated with a
contact zone.
- 4-23 -
Conductors 21700A-21750B, 21720A-21780A, 21770C
These conductors comprise a non-magnetic, low
resistivity zone on the north flank of a narrow magnetic
high. Although the conductivity correlates with a lake,
the profile shapes are indicative of thin bedrock
sources.
Conductors 30020C-30060D, 30030D-30260E, 30070D-30110C,
30220E-30240D
Although these conductors are located coincident with
a long, narrow lake, the profile shapes indicate narrow,
dike-like sources. The conductors parallel a continuous
magnetic unit. Some are located coincident with the low
on the north flank of this high. Others, such as
anomalies 30140C and 30150B correlate with a narrow
magnetic high, which is apparent on the calculated
vertical gradient map.
Responses due to this conductor were not detected on
some lines near the northwest end of the conductor. The
conductor axis has been extrapolated through these lines.
It is possible that the conductor continues further to
the west. Excessive EM bird height was needed in this
- 4-26 -
magnetic unit, conductor 40821A-40850B is located on the
south flank of a narrow magnetic trend. A likely source
for these conductors is weakly conductive, non-magnetic
material associated with contact zones.
Conductors 41010A-41020A, 41020B-41320B, 41020C-41070B,
41030C, 41150B-41200C, 41240B-41280B
These conductors likely reflect non-magnetic,
conductive material associated with a contact or faulted
contact. This contact is evident on the magnetic
parameter maps. A fault is also indicated near this
location on the Shebandowan Geological Compilation, West
Sheet.
Conductors 40980B-41020E, 41020D
Conductor 40980B-41020E correlates with a narrow,
linear magnetic high. There is no evidence of a
magnetite response on the profiles. Pyrrhotite-rich
mineralization is a possible source. The magnetics
indicate a fold or possible northeast/southwest trending
fault in the vicinity of anomaly 40980B.
Conductor 41020D is indicative of an isolated, thin,
- 4-27 -
non-magnetic source, which may be associated with the
contact zone at the edge of the conductive, magnetic
unit.
Although they have not been discussed in this report,
some of the.B? and S? anomalies may be of interest. They may
result from bedrock sources that are partially masked by
surficial conductivity. Isolated bedrock conductors, which
occur off to one side of a flight line, or conductors without
approximate thin-dike geometry may also be interpreted as
questionable (B? or S?). These anomalies will likely warrant
further investigation if they have supporting geological,
geochemical or geophysical information.
. 5-1 -
BACKGROUND INFORMATION
This section provides background information on
parameters which are available from the survey data. Those
which have not been supplied as survey products may be
generated later from raw data on the digital archive tape.
ELECTROMAGNETICS
DIGHEM electromagnetic responses fall into two general
classes, discrete and broad. The discrete class consists of
sharp, well-defined anomalies from discrete conductors such
as sulfide lenses and steeply dipping sheets of graphite and
sulfides. The broad class consists of wide anomalies from
conductors having a large horizontal surface such as flatly
dipping graphite or sulfide sheets, saline water-saturated
sedimentary formations, conductive overburden and rock, and
geothermal zones. A vertical conductive slab with a width of
200 m would straddle these two classes.
The vertical sheet (half plane) is the most common model
used for the analysis of discrete conductors. All anomalies
plotted on the electromagnetic map are analyzed according to
this model. The following section entitled Discrete
Conductor Analysis describes this model in detail, including
- 5-2 -
the effect of using it on anomalies caused by broad
conductors such as conductive overburden.
The conductive earth (half space) model is suitable for
broad conductors. Resistivity contour maps result from the
use of this model. A later section entitled Resistivity
Mapping describes the method further, including the effect of
using it on anomalies caused by discrete conductors such as
sulfide bodies.
geometric interpretation
The geophysical interpreter attempts to determine the
geometric shape and dip of the conductor. Figure 5-1 shows
typical DIGHEM anomaly shapes which are used to guide the
geometric interpretation.
Discrete conductor analysis
The EM anomalies appearing on the electromagnetic map
are analyzed by computer to give the conductance (i.e.,
conductivity-thickness product) in Siemens (mhos) of a
vertical sheet model. This is done regardless of the
interpreted geometric shape of the conductor. This is not an
unreasonable procedure, because the computed conductance
increases as the electrical quality of the conductor
increases, regardless of its true shape. DIGHEM anomalies
Conductor location
Channel CXI
Channel CPI
Channel DIFI
A A A A
/v\ J\ A
A A A
'*
V
Conductor \line vertical dipping
thin dike thin dike
Ratio of
amplitudes CXI /CPI 4/1 2/1 variable
Dvertical or
dipping
thick dike
variable
0sphere;
horizontal
disk;
metal roof;small fenced
yard
1/4
1=3
wide
horizontal
ribbon;
large fencedarea
variable
{7S * conductive overburden flight line
H * thick conductive cover porollel to
or wide conductive rock conductorunit
E i edge effect from wide
conductor
1/2 -
O) l
w
Fig. 5-1 Typical DIGHEM anomaly shapes
- 5-5 -
have resistivities as low as 50 ohm-m. In areas where ground
resistivities are below 10 ohm-m, anomalies caused by
weathering variations and similar causes can have any
conductance grade. The anomaly shapes from the multiple
coils often allow such conductors to be recognized, and these
are indicated by the letters S, H, and sometimes E on the
electromagnetic anomaly map (see EM map legend).
For bedrock conductors, the higher anomaly grades
indicate increasingly higher conductances. Examples t
DIGHEM's New Insco copper discovery (Noranda, Canada) yielded
a grade 5 anomaly, as did the neighbouring copper-zinc Magusi
River ore body; Mattabi (copper-zinc, Sturgeon Lake, Canada)
and Whistle (nickel, Sudbury, Canada) gave grade 6; and
DIGHEM's Montcalm nickel-copper discovery (Timmins, Canada)
yielded a grade 7 anomaly. Graphite and sulfides can span
all grades but, in any particular survey area, field work may
show that the different grades indicate different types of
conductors.
Strong conductors (i.e., grades 6 and 7) are charac
teristic of massive sulfides or graphite. Moderate
conductors (grades 4 and 5) typically reflect graphite or
sulfides of a less massive character, while weak bedrock
conductors (grades l to 3) can signify poorly connected
graphite or heavily disseminated sulfides. Grades l and 2
l .
Conductor locotton
Channel CXI
S,H
A A A A AChannel CPI /V\ AChannel DIFI A A v TConductor \
line vertical dippingthin dike thin dike
Rotio of
amplitudes
CXI /CPI 4/1 2/1 variable
Dvertical or
dipping
thick dike
variable
Osphere;
horizontal
disk-,
metal roof;
imall fenced
yard
1/4
essa
wide
horizontal
ribbon j
large fencedarea
variable
l......,,,,......,........l
S ' conductive overburden
H s thick conductive cover
or wide conductive rock
unit
E * edge effect from wide
conductor
1/2
(7flight line
parallel to
conductor
O/4
Fig. 5-1 Typical DIGHEM anomaly shapes
- 5-6 -
conductors may not respond to ground EM equipment using
frequencies less than 2000 Hz.
The presence of sphalerite or gangue can result in ore
deposits having weak to moderate conductances. As an
example, the three million ton lead-zinc deposit of
Restigouche Mining Corporation near Bathurst, Canada, yielded
a well-defined grade 2 conductor. The 10 percent by volume
of sphalerite occurs as a coating around the fine grained
massive pyrite, thereby inhibiting electrical conduction.
Faults, fractures and shear zones may produce anomalies
which typically have low conductances (e.g., grades l to 3).
Conductive rock formations can yield anomalies of any
conductance grade. The conductive materials in such rock
formations can be salt water, weathered products such as
clays, original depositional clays, and carbonaceous
material.
On the interpreted electromagnetic map, a letter
identifier and an interpretive symbol are plotted beside the
EM grade symbol. The horizontal rows of dots, under the
interpretive symbol, indicate the anomaly amplitude on the
flight record. The vertical column of dots, under the
anomaly letter, gives the estimated depth. In areas where
anomalies are crowded, the letter identifiers, interpretive
- 5-8 -
altimeter, overlying conductive overburden, and the location
and attitude of the conductor relative to the flight line.
Conductor location and attitude can provide an erroneous
depth estimate because the stronger part of the conductor may
be deeper or to one side of the flight line, or because it
has a shallow dip. A heavy tree cover can also produce
errors in depth estimates. This is because the depth
estimate is computed as the distance of bird from conductor,
minus the altimeter reading. The altimeter can lock onto the
top of a dense forest canopy. This situation yields an
erroneously large depth estimate but does not affect the
conductance estimate.
Dip symbols are used to indicate the direction of dip of
conductors. These symbols are used only when the anomaly
shapes are unambiguous, which usually requires a fairly
resistive environment.
A further interpretation is presented on the EM map by
means of the line-to-line correlation of anomalies, which is
based on a comparison of anomaly shapes on adjacent lines.
This provides conductor axes which may define the geological
structure over portions of the survey area. The absence of
conductor axes in an area implies that anomalies could not be
correlated from line to line with reasonable confidence.
- 5-9 -
DIGHEM electromagnetic maps are designed to provide a
correct impression of conductor quality by means of the
conductance grade symbols. The symbols can stand alone with
geology when planning a follow-up program. The actual
conductance values are printed in the attached anomaly list
for those who wish quantitative data. The anomaly ppm and
depth are indicated by inconspicuous dots which should not
distract from the conductor patterns, while being helpful to
those who wish this information. The map provides an
interpretation of conductors in terms of length, strike and
dip, geometric shape, conductance, depth, and thickness. The
accuracy is comparable to an interpretation from a high
quality ground EM survey having the same line spacing.
The attached EM anomaly list provides a tabulation of
anomalies in ppm, conductance, and depth for the vertical
sheet model. The EM anomaly list also shows the conductance
and depth for a thin horizontal sheet (whole plane) model,
but only the vertical sheet parameters appear on the EM map.
The horizontal sheet model is suitable for a flatly dipping
thin bedrock conductor such as a sulfide sheet having a
thickness less than 10 m. The list also shows the
resistivity and depth for a conductive earth (half space)
model, which is suitable for thicker slabs such as thick
conductive overburden. In the EM anomaly list, a depth value
of zero for the conductive earth model, in an area of thick
- 5-10 -
coveri warns that the anomaly may be caused by conductive
overburden.
Since discrete bodies normally are the targets of EH
surveys, local base (or zero) levels are used to compute
local anomaly amplitudes. This contrasts with the use of
true zero levels which are used to compute true EM
amplitudes. Local anomaly amplitudes are shown in the EM
anomaly list and these are used to compute the vertical sheet
parameters of conductance and depth. Not shown in the EM
anomaly list are the true amplitudes which are used to
compute the horizontal sheet and conductive earth parameters.
Questionable Anomalies
DZGHEM maps may contain EM responses which are displayed
as asterisks (*). These responses denote weak anomalies of
indeterminate conductance, which may reflect one of the
followingt a weak conductor near the surface, a strong
conductor at depth (e.g., 100 to 120 m below surface) or to
one side of the flight line, or aerodynamic noise. Those
responses that have the appearance of valid bedrock anomalies
on the flight profiles are indicated by appropriate
interpretive symbols (see EM map legend). The others
probably do not warrant further investigation unless their
locations are of considerable geological interest.
- 5-11 -
The thickness parameter
DIGHEM can provide an indication of the thickness of a
steeply dipping conductor. The amplitude of the coplanar
r anomaly (e.g., CPI channel on the digital profile) increases
relative to the coaxial anomaly (e.g., CXI) as the apparent
J thickness increases, i.e., the thickness in the horizontal
plane. (The thickness is equal to the conductor width if the
i conductor dips at 90 degrees and strikes at right angles to
the flight line.) This report refers to a conductor as ,thj.q
when the thickness is likely to be less than 3 m, and thick
when in excess of 10 m. Thick conductors are indicated on
the EM map by parentheses "( )". For base metal exploration
in steeply dipping geology, thick conductors can be high
priority targets because many massive sulfide ore bodies are
j thick, whereas non-economic bedrock conductors are often
, thin. The system cannot sense the thickness when the strike
* of the conductor is subparallel to the flight line, when the
l conductor has a shallow dip, when the anomaly amplitudes are
small, or when the resistivity of the environment is below
S 100 ohm-m.
Resistivity mapping
Areas of widespread conductivity are commonly
- 5-12 -
encountered during surveys. In such areas, anomalies can be
generated by decreases of only 5 m in survey altitude as well
as by increases in conductivity. The typical flight record
in conductive areas is characterized by inphase and
quadrature channels which are continuously active. Local EN
peaks reflect either increases in conductivity of the earth
or decreases in survey altitude. For such conductive areas,
apparent resistivity profiles and contour maps are necessary
for the correct interpretation of the airborne data. The
advantage of the resistivity parameter is that anomalies
caused by altitude changes are virtually eliminated, so the
resistivity data reflect only those anomalies caused by
conductivity changes. The resistivity analysis also helps
the interpreter to differentiate between conductive trends in
the bedrock and those patterns typical of conductive
overburden. For example, discrete conductors will generally
appear as narrow lows on the contour map and broad conductors
(e.g., overburden) will appear as wide lows.
The resistivity profiles and the resistivity contour
maps present the apparent resistivity using the so-called
pseudo-layer (or buried) half space model defined by Fraser
(1978) 1 . This model consists of a resistive layer overlying
1 Resistivity mapping with an airborne multicoil electromagnetic system: Geophysics, v. 43, p.144-172
- 5-13 -
a conductive half space. The depth channels give the
apparent depth below surface of the conductive material. The
apparent depth is simply the apparent thickness of the
overlying resistive layer. The apparent depth (or thickness)
parameter will be positive when the upper layer is more
resistive than the underlying material, in which case the
apparent depth may be quite close to the true depth.
The apparent depth will be negative when the upper layer
is more conductive than the underlying material, and will be
zero when a homogeneous half space exists. The apparent
depth parameter must be interpreted cautiously because it
will contain any errors which may exist in the measured
altitude of the EM bird (e.g., as caused by a dense tree
cover). The inputs to the resistivity algorithm are the
inphase and qaudrature components of the coplanar coil-pair.
The outputs are the apparent resistivity of the conductive
half space (the source) and the sensor-source distance are
independent of the flying height. The apparent depth,
discussed above, is simply the sensor-source distance minus
the measured altitude or flying height. Consequently, errors
in the measured altitude will affect the apparent depth
parameter but not the apparent resistivity parameter.
The apparent depth parameter is a useful indicator of
simple layering in areas lacking a heavy tree cover. The
- 5-14 -
DIGHEM system has been flown for purposes of permafrost
mapping, where positive apparent depths were used as a
measure of permafrost thickness. However, little
quantitative use has been made of negative apparent depths
because the absolute value of the negative depth is not a
measure of the thickness of the conductive upper layer and,
therefore, is not meaningful physically. Qualitatively, a
negative apparent depth estimate usually shows that the EM
anomaly is caused by conductive overburden. Consequently,
the apparent depth channel can be of significant help in
distinguishing between overburden and bedrock conductors.
The resistivity map often yields more useful information
on conductivity distributions than the EM map. In comparing
the EM and resistivity maps, keep in mind the followingi
(a) The resistivity map portrays the absolute value
of the earth's resistivity, where resistivity -
l/conductivity.
(b) The EM map portrays anomalies in the earth's
resistivity. An anomaly by definition is 'a
change from the norm and so the EM map displays
anomalies, (i) over narrow, conductive bodies
and (ii) over the boundary zone between two wide
formations of differing conductivity.
- 5-15 -
The resistivity map might be likened to a total field
map and the EM map to a horizontal gradient in the direction
of flight2 . Because gradient maps are usually more sensitive
than total field maps, the EM map therefore is to be
preferred in resistive areas. However, in conductive areas,
the absolute character of the resistivity map usually causes
it to be more useful than the EM map.
^Interpretation in conductive environments,
Environments having background resistivities below 30
ohm-m cause all airborne EM systems to yield very large
responses from the conductive ground. This usually prohibits
the recognition of discrete bedrock conductors. However,
DIGHEM data processing techniques produce three parameters
which contribute significantly to the recognition of bedrock
conductors. These are the inphase and quadrature difference
channels (OIFI and DIFQ), and the resistivity and depth
channels (RES and DP) for each coplanar frequency.
The EM difference channels (DIFI and DIFQ) eliminate
most of the responses from conductive ground, leaving
2 The gradient analogy is only valid with regard to the identification of anomalous locations.
l.
- 5-16 -
responses from bedrock conductors, cultural features (e.g.,
telephone lines, fences, etc.) and edge effects. Edge
effects often occur near the perimeter of broad conductive
zones. This can be a source of geologic noise. While edge
effects yield anomalies on the EH difference channels, they
do not produce resistivity anomalies. Consequently, the
resistivity channel aids in eliminating anomalies due to edge
effects. On the other hand, resistivity anomalies will
coincide with the most highly conductive sections of
conductive ground, and this is another source of geologic
noise. The recognition of a bedrock conductor in a
conductive environment therefore is based on the anomalous
responses of the two difference channels (DIFI and DIFQ) and
the resistivity channels (RES). The most favourable
situation is where anomalies coincide on all channels.
The DP channels, which give the apparent depth to the
conductive material, also help to determine whether a
conductive response arises from surficial material or from a
conductive zone in the bedrock. When these channels ride
above the zero level on the digital profiles (i.e., depth is
negative), it implies that the EH and resistivity profiles
are responding primarily to a conductive upper layer, i.e.,
conductive overburden. If the OP channels are below the
zero level, it indicates that a resistive upper layer exists,
and this usually implies the existence of a bedrock
- 5-17 -
conductor. If the low frequency DP channel is below the zero
level and the high frequency DP is above, this suggests that
a bedrock conductor occurs beneath conductive cover.
The conductance channel CDT identifies discrete
conductors which have been selected by computer for appraisal
by the geophysicist. Some of these automatically selected
anomalies on channel CDT are discarded by the geophysicist.
The automatic selection algorithm is intentionally
oversensitive to assure that no meaningful responses are
missed. The interpreter then classifies the anomalies
according to their source and eliminates those that are not
substantiated by the data, such as those arising from
geologic or aerodynamic noise.
Reduction of geologic noisQ
Geologic noise refers to unwanted geophysical responses.
For purposes of airborne EN surveying/ geologic noise refers
to EN responses caused by conductive overburden and magnetic
permeability. It was mentioned previously that the EN
difference channels (i.e., channel DIFI for inphase and DIFQ
for quadrature) tend to eliminate the response of conductive
overburden. This marked a unique development in airborne EN
technology, as DIGHEM is the only EM system which yields
channels having an exceptionally high degree of immunity to
- 5-18 -
conductive overburden.
Magnetite produces a form of geological noise on the
inphase channels of all EN systems. Rocks containing less
than 11 magnetite can yield negative inphase anomalies caused \ j by magnetic permeability. When magnetite is widely
distributed throughout a survey area, the inphase EM channels
: may continuously rise and fall, reflecting variations in the
magnetite percent-age, flying height, and overburden
thickness. This can lead to difficulties in recognizing
deeply buried bedrock conductors, particularly if conductive
overburden also exists. However, the response of broadly
distributed magnetite generally vanishes on the inphase
difference channel DIFI. This feature can be a significant
aid in the recognition of conductors which occur in rocks
J containing accessory magnetite.
EM magnetite mapping
i The information content of DIGHEM data consists of a
' combination of conductive eddy current responses and magnetic
permeability responses. The secondary field resulting from
conductive eddy current flow is frequency-dependent and
consists of both inphase and quadrature components, which are
l positive in sign. On the other hand, the secondary field
t resulting from magnetic permeability is independent ofJ
- 5-19 -
frequency and consists of only an inphase component which is
negative in sign. When magnetic permeability manifests
itself by decreasing the measured amount of positive inphase,
its presence may be difficult to recognize. However, when it
manifests itself by yielding a negative inphase anomaly
(e.g., in the absence of eddy current flow), its presence is
assured. In this latter case, the negative component can be
used to estimate the percent magnetite content.
A magnetite mapping technique was developed for the
coplanar coil-pair of DIGHEM. The technique yields a channel
(designated FEO) which displays apparent weight percent
magnetite according to a homogeneous half space model. 3 The
method can be complementary to magnetometer mapping in
certain cases. Compared to magnetometry, it is far less
sensitive but is more able to resolve closely spaced
magnetite zones, as well as providing an estimate of the
amount of magnetite in the rock. The method is sensitive to
ly/4% magnetite by weight when the EM sensor is at a height of
30 m above a magnetitic half space. It can individually
resolve steep dipping narrow magnetite-rich bands which are
separated by 60 m. Unlike magnetometry, the EM magnetite
method is unaffected by remanent magnetism or magnetic
3 Refer to Fraser, 1981, Magnetite mapping with a multi-coil airborne electromagnetic system! Geophysics, v. 46, p. 1579-1594.
- 5-20 -
latitude.
The EM magnetite mapping technique provides estimates of
magnetite content which are usually correct within a factor
of 2 when the magnetite is fairly uniformly distributed. EM
magnetite maps can be generated when magnetic permeability is
evident as negative inphase responses on the data profiles.
Like magnetometry, the EM magnetite method maps only
bedrock features, provided that the overburden is
characterized by a general lack of magnetite. This contrasts
with resistivity mapping which portrays the combined effect
of bedrock and overburden.
Recognition of, culture
Cultural responses include all EM anomalies caused by
man-made metallic objects. Such anomalies may be caused by
inductive coupling or current gathering. The concern of the
interpreter is to recognize when an EM response is due to
culture. Points of consideration used by the interpreter,
when coaxial and coplanar coil-pairs are operated at a common
frequency, are as follows i
1. Channel CPS monitors 60 Hz radiation. An anomaly on
- 5-21 -
this channel shows that the conductor is radiating
power. Such an indication is normally a guarantee that
the conductor is cultural. However, care must be taken
to ensure that the conductor is not a geologic body
which strikes across a power line, carrying leakage
currents.
2. A flight which crosses a "line" (e.g., fence, telephone
line, etc.) yields a center-peaked coaxial anomaly and
an m-shaped coplanar anomaly.4 when the flight crosses
the cultural line at a high angle of intersection, the
amplitude ratio of coaxial/coplanar response is 4. Such
an EM anomaly can only be caused by a line. The
geologic body which yields anomalies most closely
resembling a line is the vertically dipping thin dike.
Such a body, however, yields an amplitude ratio of 2
rather than 4. Consequently, an in-shaped coplanar
anomaly with a CXI/CPI amplitude ratio of 4 is virtually
a guarantee that the source is a cultural line.
l 3. A flight which crosses a sphere or horizontal disk
1 yields center-peaked coaxial and coplanar anomalies with
i a CXI/CPI amplitude ratio (i.e., coaxial/coplanar) of
1/4. In the absence of geologic bodies of this
See Figure 5-1 presented earlier.
- 5-22 -
geometry, the most likely conductor is a metal roof or
small fenced yard. 5 Anomalies of this type are
virtually certain to be cultural if they occur in an
area of culture.
4. A flight which crosses a horizontal rectangular body or
wide ribbon yields an m-shaped coaxial anomaly and a
center-peaked coplanar anomaly. In the absence of
geologic bodies of this geometry, the most likely
conductor is a large fenced area. 5 Anomalies of this
type are virtually certain to be cultural if they occur
in an area of culture.
5. EM anomalies which coincide with culture, as seen on the
camera film or video display, are usually caused by
culture. However, care is taken with such coincidences
because a geologic conductor could occur beneath a
fence, for example. In this example, the fence would be
expected to yield an m-shaped coplanar anomaly as in
case #2 above. If, instead, a center-peaked coplanar
anomaly occurred, there would be concern that a thick
geologic conductor coincided with the cultural line.
It is a characteristic of EM that geometrically similar anomalies are obtained fromt (1) a planar conductor, and (2) a wire which forms a loop having dimensions identical to the perimeter of the equivalent planar conductor.
- 5-23 -
6. The above description of anomaly shapes is valid when
the culture is not conductively coupled to the
environment. In this case, the anomalies arise from
inductive coupling to the EM transmitter. However, when
the environment is quite conductive (e.g., less than 100
ohm-m at 900 Hz), the cultural conductor may be
conductively coupled to the environment. In this latter
case, the anomaly shapes tend to be governed by current
gathering. Current gathering can completely distort the
anomaly shapes, thereby complicating the identification
of cultural anomalies. In such circumstances, the
interpreter can only rely on the radiation channel CPS
and on the camera film or video records.
MAGNETICS
The existence of a magnetic correlation with an EM
anomaly is indicated directly on the EM map. In some
geological environments, an EM anomaly with magnetic
correlation has a greater likelihood of being produced by
sulfides than one that is non-magnetic. However, sulfide ore
bodies may be non-magnetic (e.g., the Kidd Creek deposit near
Timmins, Canada) as well as magnetic (e.g., the Mattabi
deposit near Sturgeon Lake, Canada).
- 5-24 -
The magnetometer data are digitally recorded in the
aircraft to an accuracy of one nT (i.e., one gamma) for
proton magnetometers, and 0.01 nT for cesium magnetometers.
The digital tape is processed by computer to yield a total
field magnetic contour map. When warranted, the magnetic
data may also be treated mathematically to enhance the
magnetic response of the near-surface geology, and an
enhanced magnetic contour map is then produced. The response
of the enhancement operator in the frequency domain is
illustrated in Figure 5-2. This figure shows that the
passband components of the airborne data are amplified 20
times by the enhancement operator. This means, for example,
that a 100 nT anomaly on the enhanced map reflects a 5 nT
anomaly for the passband components of the airborne data.
The enhanced map, which bears a resemblance to a
downward continuation map, is produced by the digital
bandpass filtering of the total field data. The enhancement
is equivalent to continuing the field downward to a level
(above the source) which is 1720th of the actual sensor-
source distance.
Because the enhanced magnetic map bears a resemblance to
a ground magnetic map, it simplifies the recognition of
trends in the rock strata and the interpretation of
geological structure. It defines the near-surface local
-5-E5-
0. 5
24
16
l 2-
l
REJECTi
f"l
ACCEPT
10' 10"
CYCLES/METRE
lo"
Fig. 5-2 Frequency response of magneticenhancement operator for a sample Interval of 50m.
- 5-26 -
geology while de-emphasizing deep-seated regional features.
It primarily has application when the magnetic rock units are
steeply dipping and the earth's field dips in excess of 60
degrees.
Any of a number of filter operators may be applied to
the magnetic data, to yield vertical derivatives,
continuations, magnetic susceptibility, etc. These may be
displayed in contour, colour or shadow.
VLF
VLF transmitters produce high frequency uniform
electromagnetic fields. However, VLF anomalies are not EM
anomalies in the conventional sense. EM anomalies primarily
reflect eddy currents flowing in conductors which have been
energized inductively by the primary field. In contrast, VLF
anomalies primarily reflect current gathering, which is a
non-inductive phenomenon. The primary field sets up currents
which flow weakly in rock and overburden, and these tend to
collect in low resistivity zones. Such zones may be due to
massive sulfides, shears, river valleys and even
unconformities.
0-27-
UJoZ3 H
.J Q.5
CYCLES X METRE
Fig, 5-3 Frequency response ol VLF operator.
- 5-28 -
The VLF field is horizontal. Because of this, the
method is quite sensitive to the angle of coupling between
the conductor and the transmitted VLF field. Conductors
which strike towards the VLF station will usually yield a
stronger response than conductors which are nearly orthogonal
to it.
The Herz Industries Ltd. Totem VLF-electromagnetometer
measures the total field and vertical quadrature components.
Both of these components are digitally recorded in the
aircraft with a sensitivity of 0.1 percent. The total field
yields peaks over VLF current concentrations whereas the
quadrature component tends to yield crossovers. Both appear
as traces on the profile records. The total field data are
filtered digitally and displayed as contours to facilitate
the recognition of trends in the rock strata and the
interpretation of geologic structure.
The response of the VLF total field filter operator in
the frequency domain (Figure 5-3) is basically similar to
that used to produce the enhanced magnetic map (Figure 5-2).
The two filters are identical along the abscissa but
different along the ordinant. The VLF filter removes long
wavelengths such as those which reflect regional and wave
transmission variations. The filter sharpens short
wavelength responses such as those which reflect local
geological variations.
- 6-1
CNCLUSIONS AND
This report provides a brief description of the survey results and describes the equipment, procedures and logistics of the survey.
The survey was successful in locating numerous zones of interest. The various maps included with this report display the magnetic and conductive properties of the survey area. It is recommended that the survey results be reviewed in conjunction with all available geological, geophysical and geochemical information by qualified personnel. Areas of interest defined by the survey should be subjected to further investigation, using appropriate surface exploration techniques .
It is also recommended that additional processing of existing geophysical data be considered, in order to extract the maximum amount of information from the survey results. The use of Dighem's Imaging Workstation may provide additional useful information from the survey. Current processing techniques can yield structural detail that may be
important in further defining the geologic setting.
Respectfully submitted,
DIGHEM SURVEYS fi PROCESSING INC.
~T^)c — -y. ifv\'
Douglas L. Mcconnell Geophysicist
DLM/sdp
A1056APR.90R
APPENDIX A
LIST OF PERSONNEL
The following personnel were involved in theacquisition, processing, interpretation and presentation ofdata, relating to a DlGHEMIir airborne geophysical surveycarried out for Noranda Exploration Company Limited, over the
f Shebandowan area, Ontario.
Peter S.L. Moore Senior Geophysical Operatorf\ Maurie Bergstrom Geophysical Operator/Electronics
TechnicianDan Chinn Pilot (Peace Helicopters Ltd.)Paul Bottomley Computer Processor
l Douglas L. Mcconnell GeophysicistGary Hohs Draftsperson
j Susan Pothiah Word Processing Operator
l The survey consisted of 2620 km of coverage, flown from January 20 to February 9, 1989. Geophysical data were
l compiled utilizing a MicroVAX II computer.
j All personnel are employees of Dighem Surveys d \ Processing Inc., except for the pilot who is an employee of
Peace Helicopters Ltd.
DIGHEM SURVEYS 6 PROCESSING INC.
i;l;
Douglas L. Mcconnell Geophysicist
DLM/sdp
Ref: Report #1056-B-C-D
A1056APR.90R
APPENDIX B
STATEMENT OP COST
f ,
\ t
Date: April 20, 1989
IN ACCOUNT WITH DIGHEM SURVEYS fi PROCESSING INC.
To: Dighem flying of Agreement datedNovember 2 1, 1988, pertaining to an Airborne Geophysical Survey in the Shebandowan area, Ontario.
Survey Charges
2313 line-km of flying 6125.337.00
Allocation of Costs
- Data Acquisition (601)- Data Processing (201)- Interpretation, Report and Maps (20%)
DIGHEM SURVEYS fc PROCESSING INC.
Douglas L. Mcconnell Geophysicist
DLM/sdp
A1056APR.90R
APPKNDTX
STATEMENT OP QUALIFICATIONS
I, Douglas L. Mcconnell of the City of Toronto, Province of Ontario, do hereby certify that:
1. I am a geophysicist, residing in Toronto, Ontario.
2. I am a graduate of Queens University, with a B.Se. Engineering, Geophysics (1984).
3. I have been actively engaged in geophysical exploration since 1986.
4. I was personally responsible for the interpretation of the geophysical data described in this report.
* ^ -sD.L. Mcconnell Geophysicist
A1056APR.90R
APPENDIX D
EM ANOMALY LIST
1056-B SHEBANDOWAN
COAXIAL COPLANAR COPLANAR . VERTICAL 900 HZ 900 HZ 7200 HZ . DIKE
HORIZONTAL CONDUCTIVE SHEET EARTH
ANOMALY/ REAL QUAD REAL QUAD REAL QUAD . COND DEPTH*. CCND DEPTH RESIS DEPTH FID/INTERP PPM PPM PPM PPM PPM PPM .SIEMEN M .SIEMEN M CHM-M M
LINE 20010ABCDEF
393539383955395839914050
SDDS?SS
LINE 20020ABCDEFGHIJmm m
3905389938843864384338293820376037323703
SSDSSSS?Sss
B^B*M
LINE 20030ABCDEFGHIJ
3467348235183529353135383546359436203640
DS?SB?DB?DSSS
LINE 20040ABCDEFGHI
332933243309330132713261325731973194
t
.*
DS?SSDDDS?S
(FLIGHT117001
669521
(FLIGHT3190111111
8282262222
(FLIGHT10118804211
82266
139724
(FLIGHT6012155511
156351113142
10
31)338000
31)2170100010
31)15018802000
31)9101
2215613
131210730
182727112222
122277
33131927
27169151226272
24
ESTIMATED DEPTH MAY BE
5252252512
502
192
16201222
3122
18184010412
20
693614353350422
80
96984444202
1344
234
58794444
2244
59596921145
465
13977761231264694
190
t
t
t
4
.
.
4
-
*
.
9
9
t
t
,
t
,
t
C
t
4
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(
.
,
t
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9
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.
t
t
9
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t
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9
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4
UNRELIABLE
1.22.38.60.50.53.5
1.6mm
9.8-1.30.5-.~-
12.7-.
10.910.90.83.70.7~0.5
3.10.50.50.918.84.34.4-
0.7
BECAUSE
;6 .
16 .13 .0 .0 .
83 .4
f
7 .. .
24 .- ,11 .0 . . ,- ,- .
4
V
25 . 4
- .
27 .24 .0 .18 .0 .** t
0 .9
2 !0 .0 .0 .
21 .3 .8 .- .0 .
THE j
l l ll ll
l ll l
2 l ll l
l l l l 4 l l
53 23645 61654 53035 744
154 1035197 1035
36
92
7045
442
739
760783
118 52
124 38129 123
7 444110 101421 654
63 890
21 45626 63649 78128 645125 1412 48823 595
17 414
12 O O O O O
O
6 N
Oo
82
8979O7O
O O O O
99 O O
OF THE CONDUCTOR MAY BE DEEPER OR TO ONE SIDE OF THE FLIGHT LINE, OR BECAUSE OF A SHALLOW DIP OR OVERBURDEN EFFECTS.
1056-B SHEBANDOWAN
COAXIAL COPLANAR OOPLANAR . VERTICAL 900 HZ 900 HZ 7200 HZ . DIKE
HORIZONTAL CONDUCTIVE SHEET EARTH
ANOMALY/ REAL QUAD REAL QUAD REAL QUAD . CCND DEPTH*. CCND DEPTH RESIS DEPTH FID/INTERP PPM PPM PPM PPM PPM PPM .SIEMEN M .SIEMEN M CHM-M M
241LINE 20040J 3138 S
LINE 20050ABCDEF
256726202647265027022744
SSDDSS
LINE 20060BCDEFGHIJK
2502246924492442244124362342232123092230
B?SBDDDBB?SS?
LINE 20070ABCDEF
203120362110213721982208
DDSSDS
LINE 20080ABCDEFGHIJ
1731170216931636163216291556151514661450
*
.*
SS?DDDDSSDB?
(FLIGHT1 7
(FLIGHT12
13124
2411226
(FLIGHT126
2626131321
24
123394462
(FLIGHT10121
102
728275
(FLIGHT5439
151241
191
527711710272
31)3
31)008100
31)000
5050162000
31)611040
31)000
2733330090
2
210202512
21027131314124132
6215237
5496191918242
48
222492
1252
21856434336184
582
142
3429
31
234
14586262462
142
109
480474
5282
484
2202632474327624
174
12244
42
331610233737145
484
ESTIMATED DEPTH MAY BE UNRET.TART
9
*
. 0.7*
*
, t
. 0.57.7
* m
. 1 .
. 1.*
9
9 m
. 0 .
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t
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! o.. 3.. 2.. 28.. 19.. 21.. 1., -. 37.t ^
B
1
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57554367
9
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9566892
3
F, BECAUSE
9
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t
o !43 .13 .26 .17 .6 .0 .- ,
14 . .
THE i
1111
11851111
1
1
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1111431
4169
8925
451571969039
11721
104
35
12747
3111398
117948221
790111
999733
787521
39
1214201035675**
87
674
1035863
27410359855721216
634
030
00
00
577546000
60
0
00
900
2871570
108 1007
OF THE CONDUCTOR MAY BE DEEPER OR TO ONE SIDE OF THE FLIGHT LINE, OR BECAUSE OF A SHALLOW DIP OR OVERBURDEN EFFECTS.
1056-B SHEBANDOWAN
COAXIAL COPLANAR CQPLANAR . VERTICAL 900 HZ 900 HZ 7200 HZ . DIKE
HORIZONTAL CONDUCTIVE SHEET EARTH
ANCMALY/ REAL QUAD REAL QUAD REAL QUAD . COND DEPTH*. CCND DEPTH RESIS DEPTH FID/INTERP PPM PPM PPM PPM PPM PPM .SIEMEN M .SIEMEN M OHM-M M
LINE 20190C 2903 DD 2932 DE 2954 SP 2965 BG 2998 B?H 3014 B?I 3021 DJ 3044 SK 3053 S
LINE 20200A 2432 SB 2424 DC 2411 DD 2405 SE 2387 DF 2327 S?G 2318 SH 2300 DI 2251 SJ 2224 SK 2216 DL 2200 SM 2186 SN 2179 S
(FLIGHT110
1120603
824532397
(FLIGHT3380000401
16001
2672133547
1492914
28)811
1501400
28)2151801500
19001
132
1011825
2313
58
132
259
128
1727182
2027
*
21 19 !2 4 .
24 75 .31 58 .11 68 .2 4 .
15 30 .66 136 .26 94 .
4
32 18 !35 33 .21 86 .2 4 .
43 41 .1 68 .
36 94 .19 63 .22 137 .73 215 .57 36 .2 4
68 149 !80 206 .
4.3-
0.521.51.6-
14.20.51.0
1.01.76.2-
4.51.20.55.90.90.517.0
.0.50.5
t
21 i~ ,0 .
15 .7 . t
29 .0 .0 .
4
o !7 .
27 .- .12 .17 .0 .
18 .0 .0 .
17 .- ,0 .0 .
1 M
121~111
111-1111111.11
82-569064-
1101132
176152 38743163251358-129
890.
57528
871.194542732
181608640-703850609855670491100.
481485
0 0
600m.
5600
000~000000
22.00
LINE 20210 (FLIGHT 28)A 1875 SB 1890 DC 1897 SD 1908 DE 1962 SF 2023 DG 2025 BH 2030 BI 2049 S
LINE 20220A 1835 SB 1814 SC 1796 D
2111118812
7 011 27 02 02 08 108 102 18 0
1515152215152
17
50302502
63632
49
(FLIGHT 28)147
7 06 06 3
1585
93810
79 .89 .121 .
4 .4 .
78 .78 .4 .
111 .*
123 !13 .32 .
0.65.10.5--
7.57.6-
0.5
0.52.37.4
0 .23 .0 .** i
t
17 .16 .- ,0 .
t
o !19 .28 .
111--11.1
111
174331--6143-20
341771
638703706~-
101157~
678
713529871
000 V
.246w
0
000
, * ESTIMATED DEPTH MAY BE UNRELIABLE BECAUSE THE STRONGER PART , OF THE CONDUCTOR MAY BE DEEPER OR TO ONE SIDE OF THE FLIGHT , LINE, OR BECAUSE OF A SHALLOW DIP OR OVERBURDEN EFFECTS.
1056-B SHEBANDOWAN
COAXIAL COPLANAR COPLANAR . VERTICAL 900 HZ 900 HZ 7200 HZ . DIKE
HORIZONTAL CONDUCTIVE SHEET EARTH
ANOMALY/ REAL QUAD REAL QUAD REAL QUAD . COND DEPTH*. COND DEPTH RESIS DEPTH FID/INTERP PPM PPM PPM PPM PPM PPM .SIEMEN M .SIEMEN M OHM-M M
LINE 20090A 1182 SB 1191 DC 1211 B?D 1243 SE 1265 BF 1268 DG 1271 DH 1319 SI 1331 SJ 1373 SK 1414 DL 1426 S
LINE 20100A 1158 SB 1152 DC 1070 DD 1066 B?E 1005 S?F 999 SG 913 B?H 905 B
LINE 20110A 628 SB 713 DC 719 DD 768 SE 778 SF 783 S
LINE 20120A 1175 B?B 1199 SC 1226 B?D 1231 BE 1240 DF 1274 DG 1283 SH 1337 SI 1364 D
t *
(FLIGHT 31)39111
13953111
5 09 62 02 02 19 106 82 06 02 02 02 0
7922277410222
283500222220
24222
(FLIGHT 31)38771112
5 38 45 73 72 07 12 05 0
910452422
293318182
7323
(FLIGHT 31)597111
4 07 96 55 05 02 0
6758112
17201211242
42 .13 .4 .4 .4 .15 .15 .23 .80 .4 .4 .4 .
,56 .54 .32 .32 .4 .
61 .4 .4 .
.29 .27 .20 .68 .73 .4 .
1.28.1-..
15.513.64.71.1- -
3.16.1
12.917.2-1.0-
4.7
4.111.78.20.50.5-
0 .22 .
** .. ,~ ,6 .
11 .33 .0 .. .. ,- .
*
14 !8 .
36 .26 .- ,0 .- ,
36 .m
25 .'12 .13 .0 .0 .- .
11-..2211-.-
1111-1-1
11111-
2883...
11396
19333..-
3372
12470-10-
183
591111126339-
763423....5562
1035758
.. -
73692278
903~
177
1035
83173185878773-
021
735800 -
00
810.0.
0
0695700-
(FLIGHT 29) ! !0001
122204
5 02 04 02 03 144 24 03 05 1
8512249874
127
242
2216121510
67 .51 .68 .4 .
26 .18 .63 .54 .11 .
1.20.71.4mm
52.62.11.40.74.8
4 .0 .0 .- ,
23 .24 .0 .0 .
25 ,
111.41111
6878
113.
148736062
150
8569661035.12
5028718861035
000.
12214000
,* ESTIMATED DEPTH MAY BE UNRELIABLE BECAUSE THE STRONGER PART , OF THE CONDUCTOR MAY BE DEEPER OR TO ONE SIDE OF THE FLIGHT , LINE, OR BECAUSE OF A SHALLOW DIP OR OVERBURDEN EFFECTS.
1056-B SHEBANDOWAN
COAXIAL COPLANAR CQPLANAR . VERTICAL . HORIZONTAL CONDUCTIVE 900 HZ 900 HZ 7200 HZ . DIKE . SHEET EARTH
ANOMALY/ REAL QUAD REAL QUAD REAL QUAD . CCND DEPTH*. CCND DEPTH RESIS DEPTH FID/INTERP PPM PPM PPM PPM PPM PPM .SIEMEN M .SIEMEN M CHM-M M
LINE 20130A 1136 SB 1109 SC 1103 BD 1100 BE 1038 SF 1035 B?G 1024 B?H 1017 DI 955 SJ 895 SK 836 S?L 822 S?
LINE 20140A 476 SB 491 DC 511 S?D 522 B?E 529 S?F 546 SG 556 DH 596 SI 613 SJ 640 SK 657 SL 679 B?
LINE 20150A 5193 SB 5168 DC 5160 DD 5123 DE 5085 SF 5075 DG 5073 DH 4986 SI 4978 SJ 4943 SK 4922 SL 4873 S
(FLIGHT200041150000
3222
172227532
(FLIGHT020003112350
26222122265
152
(FLIGHT104017710141
2242136614
1242
29)000010140000
29)000000000000
28)10
1201
151500150
7222
39221
14912
27222
3222
101242
2272
32552112792
*
.25 48 .2 4 .2 4 .2 4 .
157 259 .2 4 .2 4 .
13 19 .9 115 .
32 82 .3 9 .3 8 .
t
2 4 !16 38 .1 4 .2 4 .2 4 .
121 192 .2 4 .2 4 .
26 97 .44 87 .100 248 .
2 4 .t
2 4 !2 4 .
20 53 .2 4 .81 242 .20 17 .20 30 .2 4 .
13 89 .94 185 .99 22 .2 4 .
1.0- -0.8~-
29.70.50.50.50.9
-2.7---.
0.6--
0.50.50.8-
--9.9-
0.617.017.2
-0.70.64.8-
.
.0 . .* .. ,0 .- , ,
57 .0 .1 .0 .
16 .4
t
- .
15 .- ,^ .- .0 .- ,- .0 .0 .0 .- .
,- .. .45 .- .0 .
32 .31 .- .4 .0 .
28 .- .
1...1~ 11111
-1- *
-1- B
1
1
1-
-
W*
1
-
1
52-111-
48....4
-
2094156
169200
-86-.-6
-.-583210-
-m.
133-10
121146.581018-
837. .
352..
103574477510351035
-954...
454 -
794741439-
-.
1035-443
941-790457267-
0 . 0mm
M
00000
-0..
0.-000-
-.m.
0-0
98108
w
000-
LINE 20160 (FLIGHT 28) A 4617 S 2 2 O 3 37 18 1.3 18 25 728
ESTIMATED DEPTH MAY BE UNRELIABLE BECAUSE THE STRONGER PART OF THE CONDUCTOR MAY BE DEEPER OR TO ONE SIDE OF THE FLIGHT LINE, OR BECAUSE OF A SHALLOW DIP OR OVERBURDEN EFFECTS.
1056-B SHEBANDOWAN
COAXIAL COPLANAR COPLANAR . VERTICAL 900 HZ 900 HZ 7200 HZ . DIKE
HORIZONTAL CONDUCTIVE SHEET EARTH
*c
ANOMALY/ REAL QUAD REAL QUAD REAL QUAD . COND DEPTH*. COND DEPTH RESIS DEPTH FID/INTERP PPM PPM PPM PPM PPM PPM .SIEMEN M .SIEMEN M OHM-M M
LINE 20160B 4644 DC 4647 SD 4687 B?E 4710 BF 4720 DG 4747 S?H 4772 B?I 4794 SJ 4807 SK 4827 SL 4833 S
LINE 20170B 4578 DC 4557 BD 4498 DE 4467 BF 4412 S?G 4375 DH 4366 BI 4341 SJ 4320 SK 4289 B?
LINE 20181A 4014 SB 4026 DC 4045 DD 4073 DE 4075 DF 4084 DG 4108 DH 4145 SI 4188 SJ 4197 SK 4210 B?L 4235 S
LINE 20190A 2876 B?B 2886 B
(FLIGHT 28)73671144510
4 03 03 04 22 02 05 012 116 52 02 0
6835226
271222
111211152213
104133
22
68 .68 .11 .25 .4 .4 .
40 .133 .176 .
4 .4 .
7.91.39.710.9--
2.11.22.7--
(FLIGHT 28)841
131
131443
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1056-B SHEBANDOWAN
COAXIAL COPIANAR COPLANAR . VERTICAL . HORIZONTAL CONDUCTIVE900 HZ 900 HZ 7200 HZ . DIKE . SHEET EARTH
ANOMALY/ REAL QUAD REAL QUAD REAL QUAD . OOND DEPTH*. CCND DEPTH RESIS DEPTHFID/INTERP PPM PPM PPM PPM PPM PPM .SIEMEN M .SIEMEN M CHM-M M
LINE 20220 (FLIGHTD 1786 S 2E 1772 D? 10F 1722 B? 3G 1711 D 11H 1614 D 24I 1611 D 10J 1604 D 11K 1602 D 11L 1595 D 17M 1591 B? 4N 1588 B? 10 1569 S 0P 1516 S 0
11447
26121414610261
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LINE 20240 (FLIGHTA 1092 S 1B 1078 S 1C 1054 D 14D 1042 S 1E 1022 D 9F 1014 D 1G 1011 D 0H 988 S 1
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1056-B SHEBANDOWAN
COAXIAL COPIANAR COPIANAR . VERTICAL 900 HZ 900 HZ 7200 HZ . DIKE
HORIZONTAL CONDUCTIVE SHEET EARTH
ANOMALY/ REAL QUAD REAL QUAD REAL QUAD . COND DEPTH*. COND DEPTH RESIS DEPTH FID/INTERF PPM PPM PPM PPM PPM PPM .SIEMEN M .SIEMEN M OHM-M M
LINE 20340G 1598 DH 1561 SI 1554 S
LINE 20350A 1154 SB 1157 DC 1174 SD 1267 SE 1291 S?F 1299 DG 1325 SH 1336 S
LINE 20360A 1041 DB 992 DC 966 SD 949 SE 864 B?F 834 SG 803 DH 789 B?
LINE 20371A 479 BB 514 DC 533 DD 605 DE 643 SF 656 SG 676 S
LINE 20380A 2093 B?B 2124 S?C 2151 DD 2206 SE 2233 DF 2275 SG 2282 S
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1056-B SHEBANDOWAN
COAXIAL COPLANAR CQPLANAR . VERTICAL 900 HZ 900 HZ 7200 HZ . DIKE
HORIZONTAL CONDUCTIVE SHEET EARTH
ANOMALY/ REAL QUAD REAL QUAD REAL QUAD . COND DEPTH*. OCND DEPTH RESIS DEPTH FID/INTERP PPM PPM PPM PPM PPM PPM .SIEMEN M .SIEMEN M CHM-M M
LINE 20310ABCDEFGHIJKmmm.
29342953297730013010305631103120313431603181 ~ -
SDSS?DB?DB?S?SS? -
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25012476243523962391225622442227220321962165
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10
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134110
27)11113711110
27)2020113
27)351015
102118922
161722
16222482
1021352
1111922211
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DEPTH MAY BE
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OF THE CONDUCTOR MAY BE DEEPER OR TO ONE SIDE OF THE FLIGHT LINE, OR BECAUSE OF A SHALLOW DIP OR OVERBURDEN EFFECTS.
1056-B SHEBANDOWAN
COAXIAL COPLANAR COPLANAR . VERTICAL 900 HZ 900 HZ 7200 HZ . DIKE
HORIZONTAL CONDUCTIVE SHEET EARTH
ANOMALY/ REAL QUAD REAL QUAD REAL QUAD . COND DEPTH*. CCND DEPTH RESIS DEPTH FID/INTERP PPM PPM PPM PPM PPM PPM .SIEMEN M .SIEMEN M CHM-M M
LINE 20270 (FLIGHTH 4564 B? 9I 4568 D 7J 4584 S 1
764
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7949282622
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53225233544
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t.
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COAXIAL OOPLANAR COPIANAR . VERTICAL 900 HZ 900 HZ 7200 HZ . DIKE
HORIZONTAL CONDUCTIVE SHEET EARTH
ANOMALY/ REAL QUAD REAL QUAD REAL QUAD . COND DEPTH*. COND DEPTH RESIS DEPTH FID/INTERP PPM PPM PPM PPM PPM PPM .SIEMEN M .SIEMEN M CHM-M M
LINE 20240I 909 SJ 873 DK 870 DL 862 DM 846 D
LINE 20250A 527 SB 531 SC 548 DD 563 DE 570 DF 580 DG 672 DH 677 DI 693 S
LINE 20260A 5015 SB 5000 SC 4992 DD 4975 DE 4970 BF 4942 DG 4926 DH 4890 S?I 4840 DJ 4807 SK 4776 DL 4770 DH 4748 SN 4723 S
LINE 20270A 4409 SB 4422 DC 4434 B?D 4457 DE 4468 DF 4525 DG 4562 D
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1056-B SHEBANDOWAN
COAXIAL OOPLANAR OOPLANAR . VERTICAL 900 HZ 900 HZ 7200 HZ . DIKE
HORIZONTAL CONDUCTIVE SHEET EARTH
ANOMALY/ REAL QUAD REAL QUAD REAL QUAD . COND DEPTH*. COND DEPTH RESIS DEPTH FID/INTERP PPM PPM PPM PPM PPM PPM .SIEMEN M .SIEMEN M OHM-M M
LINE 20390A 1967 DB 1943 DC 1938 DD 1833 S?E 1802 DF 1776 SG 1743 B?
LINE 20400A 1293 SB 1331 DC 1355 DD 1479 DE 1506 S
LINE 20410A 1085 DB 1070 B?C 1064 DD 1035 BE 958 SF 886 SG 867 S-- - - -
LINE 20420A 621 DB 658 B?C 713 SD 788 SE 804 S
LINE 20430A 7115 S?B 7086 DC 7054 S?D 6978 SE 6970 DF 6940 DG 6883 S
LINE 20440A 6623 D
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1056-B SHEBANDOWAN
COAXIAL COPLANAR COPLANAR . VERTICAL . HORIZONTAL CONDUCTIVE 900 HZ 900 HZ 7200 HZ . DIKE . SHEET EARTH
ANOMALY/ REAL QUAD REAL QUAD REAL QUAD . COND DEPTH*. COND DEPTH RESIS DEPTH FID/INTERP PPM PPM PPM PPM PPM PPM .SIEMEN M .SIEMEN M OHM-M M
LINE 20440BCDEFGHIJ^f^
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LINE 20450ABCDEFGHI
647264556443643164096338632163096264
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446262322
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DEPTH MAY BE
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1056-B SHEBANDOWAN
COAXIAL COPLANAR COPIANAR . VERTICAL 900 HZ 900 HZ 7200 HZ . DIKE
HORIZONTAL CONDUCTIVE SHEET EARTH
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LINE 20470GHIJK
52555241522452175174
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4809487048794908493449914995501550235059
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46514604457245224514446244404425
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413241534160420942514322
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9
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12 50 40 40 63 50 18 5
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1012107825226
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11325
42
161412
61085
ESTIMATED DEPTH MAY BE
935132
16
193516384421322
21
01810254281
12
132
596122
20103126
999344
48
93117958574
4044
47
42
555684174
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1299544
10936226
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6.91.37.2-
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2.4 -
0.7
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200
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OF THE CONDUCTOR MAY BE DEEPER OR TO ONE SIDE OF THE FLIGHT LINE, GR BECAUSE OF A SHALLOW DIP OR OVERBURDEN EFFECTS.
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00
115001
1056-B SHEBANDOWAN
COAXIAL COPLANAR COPLANAR . VERTICAL 900 HZ 900 HZ 7200 HZ . DIKE
HORIZONTAL CONDUCTIVE SHEET EARTH
ANOMALY/ REAL QUAD REAL QUAD REAL QUAD . COND DEPTH*. COND DEPTH RESIS DEPTH FID/INTERP PPM PPM PPM PPM PPM PPM .SIEMEN M .SIEMEN M CHM-M M
LINE 20510E 3913 SF 3869 B?G 3862 S—.. ———
LINE 20520A 3550 DB 3615 SC 3631 SD 3665 DE 3718 DF 3734 S— —— . —— -
LINE 20530A 3019 DB 3012 DC 2945 SD 2923 SE 2881 SF 2819 S
LINE 20540A 1772 BB 1777 B?
LINE 20541A 2186 DB 2174 SC 2108 S
LINE 20550A 1639 DB 1632 B?C 1546 SD 1520 B?E 1508 SF 1497 B?G 1474 D
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1056-B SHEBANDOWAN
COAXIAL COPLANAR GQPLANAR . VERTICAL 900 HZ 900 HZ 7200 HZ . DIKE
HORIZONTAL CONDUCTIVE SHEET EARTH
ANOMALY/ REAL QUAD REAL QUAD REAL QUAD . COND DEPTH*. COND DEPTH RESIS DEPTH FID/INTERP PPM PPM PPM PPM PPM PPM .SIEMEN M .SIEMEN M CHM-M M
LINE 20560A 1268 DB 1275 DC 1298 SD 1351 SE 1373 SF 1382 SG 1397 B
LINE 20570A 6342 B?B 6319 SC 6225 SD 6205 BE 6149 S
LINE 20580A 5610 DB 5633 SC 5675 SD 5732 SE 5814 D
LINE 20590A 5235 DB 5204 SC 5106 SD 5042 BE 5029 S?
LINE 20600A 4775 BB 4780 B?C 4902 SD 4937 B?E 4972 DF 4981 S
LINE 20610A 4436 DB 4314 SC 4250 D
(FLIGHT1 21 21 32 33 41 2
16 8
(FLIGHT0 20 30 40 20 2
(FLIGHT5 70 71 23 65 3
(FLIGHT1 20 50 82 41 2
(FLIGHT1 20 21 91 24 51 2
(FLIGHT1 20 80 5
25)010000
34
24)00211
24)40003
24)10101
24)111021
24)114
228682
14
29
1122
8112
133
2101671
2218252
2156
.* ESTIMATED DEPTH MAY BE
22
2724312
63
9355222
12472
5111
23264152
22
722
132
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OF THE CONDUCTOR MAY BE DEEPER OR TO ONE SIDE OF THE FLIGHT LINE, OR BECAUSE OF A SHALLOW DIP OR OVERBURDEN EFFECTS.
1056-B SHEBANDOWAN
COAXIAL COPLANAR COPLANAR . VERTICAL . HORIZONTAL CONDUCTIVE 900 HZ 900 HZ 7200 HZ . DIKE . SHEET EARTH
ANOMALY/ REAL QUAD REAL QUAD REAL QUAD . COND DEPTH*! COND DEPTH RESIS DEPTH FID/INTERP PPM PPM PPM PPM PPM PPM .SIEMEN M .SIEMEN M CHM-M M
LINE 20610 (FLIGHT 24) D 4242 D 8 7 10 8 19 25 . 10.3 21 . 108 26
LINE 20630 (FLIGHT 24) A 3831 D l 2 lB 3827 D C 3760 S D 3696 S E 3671 S F 3655 D G 3620 D
4 O O O 9 9
325257
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LINE 20640 (FLIGHT 24)A 3392 S? B 3507 S C 3516 E? D 3544 D E 3546 S? F 3575 D
LINE 20650 A 3286 B B 3266 S C 3153 S D 3132 S E 3114 S? F 3078 B G 3067 B?
O O O 6 6 6
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2329259
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0.5 0.5 0.5 9.6 1.0
1.5 1.2
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ESTIMATED DEPTH MAY BE UNRELIABLE BECAUSE THE STRCN3ER PART OF THE CONDUCTOR MAY BE DEEPER OR TO ONE SIDE OF THE FLIGHT LIKE, OR BECAUSE OF A SHALLOW DIP OR OVERBURDEN EFFECTS.
78
LINE 20620A 3929 B?B 3934 B?C 3993 SD 4007 SB 4050 SF 4094 DG 4122 DH 4135 B
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1035407*
t
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0
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-
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224
00
1056-B SHEBANDOWAN
COAXIAL COPIANAR COPLANAR . VERTICAL 900 HZ 900 HZ 7200 HZ . DIKE
HORIZONTAL CONDUCTIVE SHEET EARTH
ANCMALY/ REAL QUAD REAL QUAD REAL QUAD . COND DEPTH*. COND DEPTH RESIS DEPTH FID/INTERP PPM PPM PPM PPM PPM PPM .SIEMEN M .SIEMEN M CHM-M M
43 756
LINE 20661C 2983 SD 2990 SE 3012 B?F 3022 DG 3026 S
LINE 20670A 2286 B?B 2387 SC 2398 SD 2419 SE 2448 SF 2458 DG 2465 S
LINE 20680A 2168 B?B 2059 SC 2037 SD 2023 SE 2013 SF 1967 B?
LINE 20690A 1734 DB 1741 DC 1842 SD 1860 SE 1919 S
LINE 20700A 1539 BB 1415 SC 1400 SD 1336 SE 1328 S
LINE 20710A 1102 BB 1202 SC 1250 S
,
(FLIGHT0 21 51 18 73 5
(FLIGHT1 21 21 52 81 45 21 6
(FLIGHT2 21 40 41 50 64 4
(FLIGHT4 51 21 30 62 7
(FLIGHT1 21 52 42 91 7
(FLIGHT1 21 41 2
24)10177
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24)50212
24)01003
24)121
292
1616
22101112
17
298
14148
5271218
28
122114
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.* ESTIMATED DEPTH MAY BE
2152
3762
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43233615255
112
354570
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29.21.7
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194
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330361275231208
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14100000
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50 276
OF THE CONDUCTOR MAY BE DEEPER GR TO ONE SIDE OF THE FLIGHT LINE, OR BECAUSE OF A SHALLOW DIP OR OVERBURDEN EFFECTS.
1056-B SHEBANDOWAN
COAXIAL COPLANAR COPLANAR . VERTICAL 900 HZ 900 HZ 7200 HZ . DIKE
HORIZONTAL CONDUCTIVE SHEET EARTH
ANOMALY/ REAL QUAD REAL QUAD REAL QUAD . CQND DEPTH*. OCND DEPTH RESIS DEPTH FID/INTERP PPM PPM PPM PPM PPM PPM .SIEMEN M .SIEMEN M CHM-M M
LINE 20710D 1279 S— —— — --.— .
LINE 20720A 1005 DB 989 DC 881 SD 824 SE 798 S
LINE 20730A 573 DB 672 SC 725 SD 731 SE 743 S
LINE 20740A 7507 SB 7467 SC 7453 SD 7439 SE 7427 S
LINE 20750A 7164 B?B 7249 SC 7275 SD 7289 SE 7321 SF 7356 S
(FLIGHT 24) . !2 7 4 16 62
(FLIGHT 24)61210
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LINE 20760 (FLIGHT 23)A 6717 BB 6667 SC 6596 SD 6561 SE 6546 DF 6529 DG 6525 DH 6517 B
LINE 20770A 6255 D
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ESTIMATED DEPTH MAY BE UNRELIABLE BECAUSE THE STRONGER PART OF THE CONDUCTOR MAY BE DEEPER OR TO ONE SIDE OF THE FLIGHT LINE, OR BECAUSE OF A SHALLOW DIP OR OVERBURDEN EFFECTS.
1056-B SHEBANDOWAN
COAXIAL CQFLANAR COELANAR . VERTICAL 900 HZ 900 HZ 7200 HZ . DIKE
HORIZOWDAL CONDUCTIVE SHEET EARTH
ANCMALY/ REAL QUAD REAL QUAD REAL QUAD . COND DEPTH*. CCND DEPTH RESIS DEPTH FID/INTERP PPM PPM PPM PPM PPM PPM .SIEMEN M .SIEMEN M OHM-M M
LINE 20770B 6308 SC 6367 SD 6393 SE 6416 SF 6429 DG 6431 DH 6440 B—— ™. — -
LINE 20780A 6136 DB 6071 SC 6011 SD 5996 SE 5985 SF 5955 SG 5940 BH 5929 B?
LINE 20790A 5674 DB 5731 SC 5790 SD 5813 SE 5855 DF 5858 DG 5866 D
LINE 20800A 5569 BB 5448 SC 5423 SD 5376 B
LINE 20810A 4964 SB 4992 DC 5107 SD 5133 SE 5170 DF 5185 B
(FLIGHT 23)11139
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,* ESTIMATED DEPTH MAY BE UNRELIABLE BECAUSE THE STRON3ER PART , OF THE CONDUCTOR MAY BE DEEPER OR TO ONE SIDE OF THE FLIGHT , LINE, OR BECAUSE OF A SHALLOW DIP OR OVERBURDEN EFFECTS.
1056-B SHEBANDOWAN
COAXIAL COPLANAR COELANAR . VERTICAL . HORIZONTAL CONDUCTIVE900 HZ 900 HZ 7200 HZ . DIKE . SHEET EARTH
ANOMALY/ REAL QUAD REAL QUAD REAL QUAD . COND DEPTH*. OOND DEPTH RESIS DEPTHFID/INTERP PPM PPM PPM PPM PPM PPM .SIEMEN M .SIEMEN M CHM-M M
LINE 20820 B 4690 D C 4609 S D 4567 S E 4538 S F 4502 B? G 4489 B?
LINE 20830 A 4253 B B 4292 S C 4361 S D 4401 S E 4434 B?
LINE 20840 A 3920 D B 3888 D C 3843 S D 3819 S E 3760 S F 3720 S G 3714 B? H 3687 D
LINE 20850 A 3409 S? B 3436 S? C 3563 S D 3583 S E 3594 S? F 3604 S? G 3623 S?
LINE 20861 A 4735 S B 4746 S C 4758 S D 4777 S?
LINE 20871 A 4338 S
(FLIGHT 23)83422206l 4 l 10131612125343
(FLIGHT 23)12121307241812021211
(FLIGHT 23)1212 8789 1206 1306 l 4 O 10 2528 1212 7754
(FLIGHT 23)12020202O 3 O 101608121212111201
(FLIGHT 30)0202142702121212
(FLIGHT 30)l 7 O 13
811452627
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12575742928
143
95992966698562
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40 75620 678
32 442
23 678
ESTIMATED DEPTH MAY BE UNRELIABLE BECAUSE THE STRONGER PART OF THE CONDUCTOR MAY BE DEEPER OR TO ONE SIDE OF THE FLIGHT LINE, OR BECAUSE OF A SHALLOW DIP OR OVERBURDEN EFFECTS.
48 O O O
34
O O
80 O O O O
89
O O
1056-B SHEBANDOWAN
COAXIAL COPLANAR C30PLANAR . VERTICAL 900 HZ 900 HZ 7200 HZ . DIKE
HORIZONTAL CONDUCTIVE SHEET EARTH
r
ANCWALY/ REAL QUAD REAL QUAD REAL QUAD . CCND DEPTH*. CCND DEPTH RESIS DEPTH FID/INTERP PPM PPM PPM PPM PPM PPM .SIEMEN M .SIEMEN M CHM-M M
LINE 20871 B 4319 S C 4303 S
LINE 20880 A 2625 S B 2544 S C 2533 S D 2504 S
LINE 20891 A 3950 S B 4052 S C 4068 S
(FLIGHT 30)130020
(FLIGHT 23)140021020040
(FLIGHT 30) 031 131 121
8 32 35 .2 24.
762
LINE 20901 (FLIGHT 30) A 3666 81102 B 3564 S l 4 O 10
20232
233
LINE 20910 A 1558 D B 1571 D C 1621 S D 1685 S E 1831 D
LINE 20921 A 3234 D B 3458 S C 3476 D
LINE 20931 A 3177 B? B 3143 D C 2913 S D 2895 B?
LIME 20940 A 6795 D B 6668 S C 6631 S D 6547 D
(FLIGHT 23) 45
5257
41001
43295
1072
1712
612
47823
0.5
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10 9 3 7 7 19 . 7.6 11 .
(FLIGHT 30)121224.-5 8 4 7 14 18 . 4.3 15 .021224.-2 3 4 4 9 9 . 5.4 16 .
(FLIGHT 22)9 8 8 8 19 39 . 9.9 20 .121224.-2 8 2 16 42 63 . 1.1 6 .5 7 3 6 7 16 . 4.3 16 .
l
l
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41 767
53 792
90 960
65 65930 432
26 701
ESTIMATED DEPTH MAY BE UNRELIABLE BECAUSE THE STRONGER PART OF THE CONDUCTOR MAY BE DEEPER OR TO ONE SIDE OF THE FLIGHT LINE, OR BECAUSE OF A SHALLOW DIP OR OVERBURDEN EFFECTS.
O
O
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1 11 1
11
11
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RONS THE
206 202
58 189
154
93
100
157
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42199
SR PART FLIGHT
107 1035
797 1035
89
1014
342
115
223
358 1035
t
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150 0
0 0
107W
0
36
102
42
4 0
1056-B SHEBANDOWAN
COAXIAL COPLANAR COPLANAR . VERTICAL 900 HZ 900 HZ 7200 HZ . DIKE
HORIZONTAL CONDUCTIVE SHEET EARTH
ANOMALY/ REAL QUAD REAL QUAD REAL QUAD . COND DEPTH*. CCND DEPTH RESIS DEPTH FID/INTERP PPM PPM PPM PPM PPM PPM .SIEMEN M .SIEMEN M OHM-M M
LINE 20950 A 5752 D B 5575 S C 5493 D
LINE 20960 A 5035 D B 5230 S C 5237 S
LINE 20971 A 2409 B? B 2455 D C 2610 S D 2662 S
LINE 20981 A 2360 D B 2334 D C 2264 S D 2230 S E 2178 S F 2091 B
(FLIGHT 22) 756 121 453
(FLIGHT 22) 065 040 Oil
(FLIGHT 30)121976120020
(FLIGHT 30)642120120120120120
LINE 20991 (FLIGHT 30)A 1788 D 2 6 lB 1800 D 8 7 6C 1805 D 9 8 5D 1820 D 10 11 7E 1917 S l 2 lF 1937 S l 2 lG 2063 D 13 9 5
LINE 21000 A 3415 S? B 3428 D C 3435 D D 3446 D E 3593 S
LINE 21010 A 3348 D
(FLIGHT 22)120121741
11 5 4120
(FLIGHT 22)121
623
572
2622
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557
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l l l 4 2
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17 34 . 11.9
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122 883
l l l l
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l 129 154
l 208 1035 l 205 178
ESTIMATED DEPTH MAY BE UNRELIABLE BECAUSE THE STRONGER PART OF THE CONDUCTOR MAY BE DEEPER OR TO ONE SIDE OF THE FLIGHT LINE, OR BECAUSE OF A SHALLOW DIP OR OVERBURDEN EFFECTS.
19638815
74
O 126
1056-B SHEBANDOWAN
COAXIAL COPLANAR COPIANAR . VERTICAL . HORIZONTAL CONDUCTIVE 900 HZ 900 HZ 7200 HZ . DIKE . SHEET EARTH
ANOMALY/ REAL QUAD REAL QUAD REAL QUAD . CCND DEPTH*! COND DEPTH RESIS DEPTH FID/INTERP PPM PPM PPM PPM PPM PPM .SIEMEN M .SIEMEN M CHM-M M
LINE 21010B 3344 DC 3331 DD 3322 DE 3312 DF 3309 DG 3304 DH 3226 SI 3196 SJ 3066 D
LINE 21020A 2763 DB 2774 DC 2781 DD 2792 DE 3019 DF 3023 D
LINE 21030A 2700 DB 2688 DC 2685 DD 2679 DE 2668 DF 2536 SG 2424 SH 2403 D
LINE 21040A 2108 DB 2115 DC 2245 SD 2357 DE 2361 D
LINE 21050A 7017 S?B 6998 DC 6989 S?D 6974 S?E 6875 S
(FLIGHT1 2
11 51 29 51 25 60 22 88 10
(FLIGHT1 2
13 421 107 51 2
10 6
(FLIGHT1 2
19 712 739 1210 41 20 19 9
(FLIGHT2 35 90 21 27 7
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19 73 50 20 6
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1056-B SHEBANDOWAN
COAXIAL COPLANAR OOPLANAR . VERTICAL 900 HZ 900 HZ 7200 HZ . DIKE
HORIZONTAL CONDUCTIVE SHEET EARTH
ANOMALY/ REAL QUAD REAL QUAD REAL QUAD . OOND DEPTH*! COND DEPTH RESIS DEPTH FID/INTERP PPM PPM PPM PPM PPM PPM .SIEMEN M .SIEMEN M OHM-M M
LINE 21050F 6815 SG 6747 SH 6670 DI 6667 D
LIME 21060A 6323 S?B 6339 BC 6346 B?D 6388 SE 6439 SF 6494 SG 6566 SH 6637 B
LINE 21070A 6297 S?B 6279 BC 6270 DD 6141 SE 6110 SF 6055 SG 5940 D
LINE 21080A 2564 B?B 2550 DC 2541 DD 2413 SE 2380 SF 2297 D
LINE 21090A 2050 B?B 2060 DC 2066 DD 2169 S
LINE 21100A 2014 B?B 2000 D
4
(FLIGHT1 52 11 2
23 8
(FLIGHT1 2
19 43 31 21 42 71 2
12 7
(FLIGHT2 5
27 515 91 21 22 1112 12
(FLIGHT0 48 4
10 51 20 76 6
(FLIGHT1 1
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101
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1032
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28329
122
12
46522
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3202
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27410
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6019
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359
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STRON32R PART .OF THE CONDUCTOR MAY BE DEEPER OR TO ONE SIDE OF THE FLIGHT LINE, OR BECAUSE OF A SHALLOW DIP OR OVERBURDEN EFFECTS.
1056-B SHEBANDOWAN
COAXIAL COPLANAR COPLANAR . VERTICAL 900 HZ 900 HZ 7200 HZ . DIKE
HDRIZCNEAL CONDUCTIVE SHEET EARTH
ANOMALY/ REAL QUAD REAL QUAD REAL QUAD . COND DEPTH* COND DEPTH RESIS DEPTH FID/INTERP PPM PPM PPM PPM PPM PPM .SIEMEN M .SIEMEN M OHM-M M
LINE 21100 C 1995 D D 1863 S E 1851 S
LINE 21110A 1483 DB 1494 DC 1498 DD 1586 SE 1612 SF 1696 S
(FLIGHT 16) 8484 2 8 2 16 0212
(FLIGHT 16)3 69 27 5O 2O 3O l
14 13 . 21.8 22 . 2 188 33 14855 107 .1.2 O . l 38 312 O24.- -,-. ~ -
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LINE 21140 (FLIGHT 15)A 1219 D 10 3 10B 1222 D 8 7 10C 1332 S l 5 OD 1421 S l 2 O
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(FLIGHT152118255
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LINE 21161 (FLIGHT 21)A 4720 S? l 2 l 2B 4700 D 10 5 4 5
24. — — 17 10 ! 16.5 30 ! 151 73 106
.* ESTIMATED DEPTH MAY BE UNRELIABLE BECAUSE THE STRONGER PART
. OF THE CONDUCTOR MAY BE DEEPER OR TO ONE SIDE OF THE FLIGHT , LINE, OR BECAUSE OF A SHALLOW DIP OR OVERBURDEN EFFECTS.
1056-B SHEBANDOWAN
COAXIAL COPLANAR OOPLANAR . VERTICAL . HCRIZONEAL CONDUCTIVE 900 HZ 900 HZ 7200 HZ . DIKE . SHEET EARTH
ANOMALY/ REAL QUAD REAL QUAD REAL QUAD . COND DEPTH*. COND DEPTH RESIS DEPTH FID/INTERF PPM PPM PPM PPM PPM PPM .SIEMEN M .SIEMEN M OHM-M M
LINE 21161 C 4697 D D 4690 D E 4529 S F 4499 S? G 4415 S H 4372 D
(FLIGHT 21)l 2
11 11l 26 3l 46 5
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LINE 21170 (FLIGHT 21)A 3652 SB 3638 DC 3634 DD 3628 DE 3618 SF 3560 SG 3320 D
LINE 21180A 2975 BB 2980 DC 2985 DD 3156 S?E 3159 S?
LINE 21190A 2682 DB 2653 SC 2519 SD 2497 L?
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LINE 21210 (FLIGHT 21)A 1911 B lB 1905 D 14C 1874 S OD 1732 L? OE 1691 S? O
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32 . 3 174 22 140
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5 . 11.5 O . l 152 1035
ESTIMATED DEPTH MAY BE UNRELIABLE BECAUSE THE STRON3ER PART OF THE CONDUCTOR MAY BE DEEPER OR TO ONE SIDE Gf THE FLIGHT LINE, OR BECAUSE OF A SHALLOW DIP OR OVERBURDEN EFFECTS.
1056-B SHEBANDOWAN
COAXIAL COPLANAR COPLANAR . VERTICAL 900 HZ 900 HZ 7200 HZ . DIKE
HORIZONTAL CONDUCTIVE SHEET EARTH
ANOMALY/ REAL QUAD REAL QUAD REAL QUAD . COND DEPTH*. CCND DEPTH RESIS DEPTH FID/INTERP PPM PPM PPM PPM PPM PPM .SIEMEN M .SIEMEN M CHM-M M
LINE 21220 (FLIGHT 21)B 1405 L l 2 O 2 2 4 .C 1430 L? O 6 O 10 26 63 . 0.5 O . 60 882
LINE 21230 A 1174 D B 994 L C 989 S D 958 S? E 891 S
LINE 21241 A 490 B? B 515 L C 525 L? D 704 S E 760 S
LINE 21250 A 5148 D B 5172 L C 5181 B? D 5194 L E 5327 S
LINE 21260 A 5100 L B 5093 L? C 5049 S D 4944 S E 4848 S F 4810 S
LINE 21270 A 4705 S B 4733 S
LINE 21281 A 4340 S
LINE 21290 A 3404 B?
(FLIGHT 3 5 1 7 0 2 0 17 0 4
(FLIGHT 1 2 2 9 5 5 0 2 0 2
(FLIGHT 5 4 1 2 8 6 1 2 1 2
(FLIGHT 1 2 1 2 1 2 2 3 0 2 1 3
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(FLIGHT 3 5
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1056-B SHEBANDOWAN
COAXIAL COPLANAR COPLANAR . VERTICAL 900 HZ 900 HZ 7200 HZ . DIKE
HORIZONTAL CONDUCTIVE SHEET EARTH
ANOMALY/ REAL QUAD REAL QUAD REAL QUAD . COND DEPTH*! COND DEPTH RESIS DEPTH FID/INTERP PPM PPM PPM PPM PPM PPM .SIEMEN M .SIEMEN M OHM-M M
LINE 21290B 3417 L?C 3434 LD 3550 S
LINE 21300A 3205 DB 3113 SC 2894 S
LINE 21310A 2521 DB 2523 DC 2548 LD 2725 S. .1 .Ml .1. .. .M.,,..
LINE 21320A 2337 S
LINE 21330A 1668 DB 1671 DC 1710 L
LINE 21340A 1629 DB 1620 DC 1578 LD 1328 S
LINE 21350A 5474 S?B 5491 SC 5500 LD 5599 SE 5662 SF 5678 S
LINE 21360A 5428 S?B 5396 L?C 5314 S
(FLIGHT10 105 60 2
(FLIGHT4 70 20 2
(FLIGHT1 25 41 21 1
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(FLIGHT3 71 27 3
(FLIGHT1 21 27 40 5
(FLIGHT0 21 15 51 20 111 8
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1056-B SHEBANDOWAN
COAXIAL COPLANAR OOPLANAR . VERTICAL 900 HZ 900 HZ 7200 HZ . DIKE
HORIZONTAL CONDUCTIVE SHEET EARTH
ANOMALY/ REAL QUAD REAL QUAD REAL QUAD . COND DEPTH*. COND DEPTH RESIS DEPTH FID/INTERP PPM PPM PPM PPM PPM PPM .SIEMEN M .SIEMEN M GHM-M M
LINE 21360D 5300 SE 5209 SF 5188 S
LINE 21370A 4954 B?B 5039 DC 5083 SD 5124 SE 5144 SF 5146 D— —— — ——
LINE 21380A 4778 LB 4767 SC 4694 SD 4606 SE 4578 SF 4575 D
LINE 21390A 4334 DB 4360 LC 4431 SD 4502 SE 4531 D
LINE 21400A 4243 S?B 4069 SC 4038 D
LINE 21410A 3965 SB 3992 B?
LINE 21420A 3741 B?B 3727 B?C 3560 SD 3529 D
(FLIGHT0 80 44 7
(FLIGHT0 24 41 10 27 57 9
(FLIGHT1 20 20 80 55 75 11
(FLIGHT0 24 50 60 58 12
(FLIGHT1 21 59 14
(FLIGHT0 41 2
(FLIGHT1 21 20 51 10
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1056-B SHEBANDOWAN
COAXIAL OOPLANAR CX)PIANAR 900 HZ 900 HZ 7200 HZ
ANCMALY/ REAL QUAD REAL QUAD REAL QUAD FID/INTERP PPM PPM PPM PPM PPM PPM
LINE 21430 A 3314 B? B 3327 L C 3459 S D 3485 S?
LINE 21440 A 3110 S B 3041 S C 3024 S D 3023 S
(FLIGHT 19) 1211 5563 O 3 2 10 6 6 3 11
(FLIGHT 19) 1112 l 10 l 19 1212 8 12 8 21
LINE 21450 (FLIGHT 19)A 2806 B? B 2825 L C 2951 S D 2963 S E 2981 8
l 5 l O
14
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l 4 l 3
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LINE 21460 (FLIGHT 19) A 2744 S l O l B 2735 S l 2 l C 2724 D 8 3 9 D 2580 Sill E 2554 S l 5 O
D 2467 S? 8 8 5
LINE 21480 (FLIGHT 19)A 1009 S B 997 D C 971 L D 833 S E 805 S
LINE 21490 A 4822 S B 4856 L
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(FLIGHT 18)243434
232
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LINE 21470 (FLIGHT 19) A 2295 D 7 4 5 4 B 2392 L l 2 l 2 C 2439 S l 3 2 9
5 19
843
1820
95
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122
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464242
55106
VERTICAL . HORIZONTAL CONDUCTIVE DIKE . SHEET EARTH
*
COND DEPTH*. COND DEPTH RESIS DEPTH M .SLEMEN M OHM-M M
4 .3 .
76 . 73 .
9.9 0.7 4.5
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1056-B SHEBANDOWAN
COAXIAL COELANAR OOPLANAR . VERTICAL 900 HZ 900 HZ 7200 HZ . DIKE
HORIZONTAL CONDUCTIVE SHEET EARTH
ANOMALY/ REAL QUAD REAL QUAD REAL QUAD . COND DEPTH*. COND DEPTH RESIS DEPTH FID/INTERP PPM PPM PPM PPM PPM PPM .SIEMEN M .SIEMEN M OHM-M M
LINE 21490C 4870 SD 4882 LE 4910 SF 4924 SG 4947 SH 4973 SI 5000 S
LINE 21500A 4772 B?B 4717 S?C 4673 SD 4661 SE 4659 DF 4625 SG 4604 SH 4592 SI 4578 S
LINE 21510A 4353 SB 4400 SC 4457 DD 4509 SE 4518 SF 4530 S
LINE 21520A 4242 SB 4235 SC 4187 SD 4178 DE 4139 SF 4122 SG 4113 SH 4099 S
LINE 21530A 3735 SB 3792 SC 3842 D
(FLIGHT1 14 40 21 21 22 141 3
(FLIGHT7 41 20 15 25 30 22 181 112 9
(FLIGHT1 21 98 41 21 102 5
(FLIGHT0 101 110 26 40 20 20 180 13
(FLIGHT0 21 48 5
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,* ESTIMATED DEPTH MAY BE UNRELIABLE BECAUSE THE STRCN3ER PART , OF THE CONDUCTOR MAY BE DEEPER OR TO ONE SIDE OF THE FLIGHT , LINE, OR BECAUSE OF A SHALLOW DIP OR OVERBURDEN EFFECTS.
1056-B SHEBANDOWAN
COAXIAL OOPLANAR COPLANAR . VERTICAL . HORIZONTAL CONDUCTIVE900 HZ 900 HZ 7200 HZ . DIKE . SHEET EARTH
ANOMALY/ REAL QUAD REAL QUAD REAL QUAD . COND DEPTH*. COND DEPTH RESIS DEPTHFID/INTERP PPM PPM PPM PPM PPM PPM .SIEMEN M .SIEMEN M OHM-M M
LINE 21530 D 3891 S E 3902 S F 3913 S
LINE 21540 A 3623 L B 3553 D C 3502 S D 3485 S
LINE 21550 A 3085 D B 3166 D C 3213 S D 3233 S
LINE 21560 A 2988 D B 2958 L C 2898 D D 2849 S E 2829 S
(FLIGHT 18) 2 8 6 16 O 6 5 10 3537
(FLIGHT 18) 567
10 5 10 l 10 3 121
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(FLIGHT 18) 424
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. * ESTIMATED DEPTH MAY BE UNRELIABLE BECAUSE THE STRONGER PART , OF THE CONDUCTOR MAY BE DEEPER OR TO ONE SIDE OF THE FLIGHT . LINE, OR BECAUSE OF A SHALLOW DIP OR OVERBURDEN EFFECTS.
1056-B SHEBANDOWAN
COAXIAL COPLANAR 900 HZ 900 HZ
COPLANAR . VERTICAL . HCRIZCNTAL CONDUCTIVE 7200 HZ . DIKE . SHEET EARTH
AN3MALY/ REAL QUAD REAL OJJAD REAL QUAD . COND DEPTH*! COND DEPTH RESIS DEPTH FID/INTERP PPM PPM PPM PPM PPM PPM .SIEMEN M .SIEMEN M CHM-M M
LINE 21600 (FLIGHT 18)B 1997 S 2 14 O 33C 1982 D 5 8 O 8
LINE 21610 (FLIGHT 18)A 1704 S 3 4 O 13B 1717 D 5 6 O 6
LINE 21620 A 1538 B? B 1404 S C 1392 D
(FLIGHT 18) 1202 2 7 O 13 7807
LINE 21630 (FLIGHT 18)A 1321 S 3 2 O 5B 1332 D 6 4 O 5
LINE 21640 A 1033 S B 1023 D
LINE 21650 A 933 S B 945 D
LINE 21660 A 676 S B 662 D C 658 S
(FLIGHT 18)35166434
(FLIGHT 18)l 9 O 169827
(FLIGHT 18)3 9 5 266 8 O 166 5 O 16
LINE 21670 (FLIGHT 18)A 573 SB 579 SC 590 DD 594 S
LINE 21680 A 2103 S B 2087 S? C 2083 S?
LINE 21690 A 1984 S
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.* ESTIMATED DEPTH MAY BE UNRELIABLE BECAUSE THE STRONGER PART
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1056-B SHEBANDOWAN
COAXIAL CQPLANAR COPLANAR . VERTICAL . HORIZONTAL CONDUCTIVE 900 HZ 900 HZ 7200 HZ . DIKE . SHEET EARTH
ANOMALY/ REAL QUAD REAL QUAD REAL QUAD . COND DEPTH*. COND DEPTH RESIS DEPTH FID/INTERP PPM PPM PPM PPM PPM PPM .SIEMEN M .SIEMEN M CHM-M M
LINE 21690 (FLIGHT 17) B 2002 D 3 6 O 5
LINE 21700 A 1818 D? B 1751 S C 1744 S
LINE 21710 A 1542 S B 1547 B? C 1608 S D 1617 D
LINE 21720 A 1446 B? B 1442 D C 1370 S
(FLIGHT 17) 1212 3 10 3 23 2 9 3 24
(FLIGHT 17) 1212 1111 l 6 4 15 7625
(FLIGHT 17) 4388 7288 l 8 l 15
LINE 21730 (FLIGHT 14)A 1879 B? 4 2 4B 1833 L 10 12 24C 1817 S l 3 O
LINE 21740 A 1666 B? B 1669 B C 1729 S D 1751 D
(FLIGHT 14)715725140743
LINE 21750 (FLIGHT 14)A 1557 D B 1554 D C 1533 L D 1487 S E 1475 D
LINE 21760 A 1332 B? B 1405 S C 1417 D
LINE 21770 A 1236 D
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1056-B SHEBANDOWAN
COAXIAL COPLANAR COPLANAR . VERTICAL . HORIZONTAL CONDUCTIVE 900 HZ 900 HZ 7200 HZ . DIKE . SHEET EARTH
ANOMALY/ REAL QUAD REAL QUAD REAL QUAD . COND DEPTH*. COND DEPTH RESIS DEPTH FID/INTERP PPM PPM PPM PPM PPM PPM .SIEMEN M .SIEMEN M CHM-M M
LINE 21770B 1228 DC 1226 DD 1171 SE 1157 SF 1144 B?
LINE 21780A 1004 SB 1060 SC 1071 SD 1086 B?
LINE 21790A 845 SB 779 BC 768 S
LINE 29010A 1671 SB 1750 SC 1776 SD 1899 SE 1921 SF 2020 SG 2046 SH 2052 SI 2095 SJ 2117 S
LINE 29011A 2184 SB 2204 SC 2221 SD 2525 SE 2546 SF 2564 S6 2612 SH 2627 SI 2659 S
(FLIGHT6 36 31 21 31 2
(FLIGHT3 31 22 31 2
(FLIGHT1 2
10 102 5
(FLIGHT0 01 50 70 20 40 50 20 80 132 8
(FLIGHT0 70 20 33 81 41 61 22 71 5
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1056-C SHEBANDOWAN
COAXIAL OOPLANAR 900 HZ 900 HZ
OOPLANAR . VERTICAL . HORIZONTAL CONDUCTIVE 7200 HZ . DIKE . SHEET EARTH
ANOMALY/ REAL QUAD REAL QUAD REAL QUAD . COND DEPOT*. CQND DEPTH RESIS DEPTH FID/INTERP PPM PPM PPM PPM PPM PPM .SIEMEN M .SIEMEN M CHM-M M
LIKE 30010 A 1031 D B 1045 S C 1108 S? D 1112 B?
LINE 30020 A 1267 D B 1252 S C 1232 E? D 1183 B? E 1178 S F 1173 B G 1164 S?
LINE 30030 A 1371 D B 1381 S C 1398 S D 1404 D E 1440 B? F 1446 S G 1454 S?
LINE 30040 A 1596 D B 1576 S C 1566 D D 1559 D
LINE 30050 A 1646 B? B 1655 B C 1671 S D 1682 D E 1684 D F 1741 B? G 1744 B?
LINE 30060 A 1901 S? B 1889 S?
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1056-C SHEBANDOWAN
COAXIAL COPLANAR 900 HZ 900 HZ
COPLANAR . VERTICAL . HORIZONTAL CONDUCTIVE 7200 HZ . DIKE . SHEET EARTH
ANOMALY/ REAL QUAD REAL QUAD REAL QUAD . COND DEPTH*. COND DEPTH RESIS DEPTH FID/INTERP PPM PPM PPM PPM PPM PPM .SIEMEN M .SIEMEN M OHM-M M
LINE 30060C 1874 SD 1861 DE 1860 DF 1791 DG 1790 D
LINE 30070A 1944 SB 1967 SC 1980 DD 1986 DE 2039 B?
LINE 30080A 2192 SB 2166 SC 2150 DD 2145 DE 2091 SF 2084 B?
LINE 30090A 2295 SB 2317 SC 2336 DD 2340 BE 2390 SF 2394 B?
LIME 30100A 2551 SB 2530 SC 2504 BD 2500 BE 2497 S?F 2442 S
LINE 30110A 2600 SB 2648 B?C 2650 B?
(FLIGHT0 4
10 710 75 95 9
(FLIGHT0 20 38 51 21 2
(FLIGHT0 50 75 100 70 60 2
(FLIGHT1 71 7
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3644.0
124141
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1056-C SHEBANDOWAN
COAXIAL COPLANAR 900 HZ 900 HZ
COPLANAR . VERTICAL . HORIZONTAL CONDUCTIVE 7200 HZ . DIKE . SHEET EARTH
ANOMALY/ REAL QUAD REAL QUAD REAL QUAD . OOND DEPTH*! COND DEPTH RESIS DEPTH FID/INTERP PPM PPM PPM PPM PPM PPM .SIEMEN M .SIEMEN M OHM-M M
LINE 30110 (FLIGHT 12)D 2699 S? O 7 4 16
LINE 30120 (FLIGHT 12)
LINE 30130 (FLIGHT 12)A 2897 S O 2 l 2B 2903 8 O 4 5 10C 2952 H? 5 8 11 16D 2967 L 6 11 5 4
LINE 30140 A 3151 S B 3140 S C 3084 B? D 3070 L
LINE 30150 A 3180 S B 3237 B? C 3256 S D 3261 S E 3272 S
(FLIGHT 12) 0328 0529 9 6 21 13 3465
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LINE 30170 A 3465 S B 3520 S? C 3556 S
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1056-C SHEBANDOWAN
COAXIAL COPLANAR OOPLANAR . VERTICAL . HORIZONTAL CONDUCTIVE 900 HZ 900 HZ 7200 HZ . DIKE . SHEET EARTH
ANOMALY/ REAL QUAD REAL QUAD REAL QUAD . COND DEPTH*! COND DEPTH RESIS DEPTH FID/INTERP PPM PPM PPM PPM PPM PPM .SIEMEN M .SIEMEN M OHM-M M
LINE 30180 (FLIGHT 12) ! !A 3719 S l 5 4 11B 3697 S? l 2 l 2C 3658 D 5 5 8 6D 3648 L? l 2 l 2
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LINE 30190 A 3843 S B 3919 L C 3932 S
LINE 30200 A 4088 S B 4065 S C 4024 B D 3982 S
LINE 30210 A 4132 S B 4150 S C 4167 S D 4205 S E 4216 S F 4226 S?
(FLIGHT 12) 1212 6304 2619
(FLIGHT 12) 1439 0215 4376 l 6 3 15
(FLIGHT 12)241021021121120121
LINE 30220 (FLIGHT 12)A 4378 S B 4368 S? C 4348 S D 4309 D E 4308 D P 4259 S
LINE 30230 A 4425 S B 4450 S C 4503 L? D 4518 S
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866176
74
,* ESTIMATED DEPTH MAY BE UNRELIABLE BECAUSE THE STRONGER PART , OF THE CONDUCTOR MAY BE DEEPER OR TO ONE SIDE OF THE FLIGHT , LINE, OR BECAUSE OF A SHALLOW DIP OR OVERBURDEN EFFECTS.
1056-C SHEBANDOWAN
COAXIAL COPLANAR 900 HZ 900 HZ
OOPLANAR . VERTICAL . HORIZONTAL CONDUCTIVE 7200 HZ . DIKE . SHEET EARTH
ANOMALY/ REAL QUAD REAL QUAD REAL QUAD i CO DEPTH*! COND DEPTH RESIS DEPffi FID/INTERP PPM PPM PPM PPM PPM PPM .SIEMEN M .SIEMEN M OHM-M ^|
LINE 30240C 4598 DD 4595 DE 4587 LF 4555 S?
LINE 30250A 4707 SB 4725 SC 4733 S?D 4778 S
LINE 30260A 4943 SB 4919 SC 4902 SD 4897 SE 4879 S?F 4843 S
LINE 30270A 4995 SB 5003 SC 5012 S?D 5020 SE 5036 SF 5077 S6 5083 S
LINE 30280A 5294 SB 5287 SC 5266 SD 5257 SB 5243 SF 5230 SG 5222 SH 5215 SI 5190 S
t t
(FLIGHT 12)ft A 4 1™ f\ **A dk M A A . - —
951
4 155 152 02 1
9932
3434112
(FLIGHT 12)1011
6 42 12 52 1
13242
25232
23 .23 .6 .4 .
*
70 !4 .4 .4 .
22.419.67.9-
1.3-
4.7-
(FLIGHT 12) i0 ' " " ' -- . --
30350
6 26 32 05 03 72 1
1472482
39922
252
(FLIGHT 12)3131011
8 23 34 18 31 12 02 0
125
1317222
311
1325022
(FLIGHT 12)475111111
7 55 07 02 02 02 02 12 02 1
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584629220222
109 .35 .4 .5 .
28 .4 .
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64 !5 .
62 .95 .4 .4 .4 .
t
78 !71 .78 .4 .4 .4 .4 .4 .4 .
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7.18.2-
1.82.42.20.7
-.—-
2.74.72.5-..~--
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3799
10229.—-
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770
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103565
454146711422——-
2891035731o
B
w
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82690
11
91
518
044
04730
^
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400
—m——-
LINE 30290 (FLIGHT 12)A 5335 S 6 4 O 10 30 35 . 4.9 33 804
,* ESTIMATED DEPTH MAY BE UNRELIABLE BECAUSE TOE STRCN3ER PART , OF THE CONDUCTOR MAY BE DEEPER OR TO ONE SIDE OF THE FLIGHT . LINE, OR BECAUSE OF A SHALLOW DIP OR OVERBURDEN EFFECTS.
1056-C SHEBANDOWAN
COAXIAL COPLANAR CX)PLANAR . VERTICAL 900 HZ 900 HZ 7200 HZ . DIKE
HORIZONTAL CONDUCTIVE SHEET EARTH
ANOMALY/ REAL QUAD REAL QUAD REAL QUAD . COND DEPTH*. COND DEPTH RESIS DEPTH FID/INTERP PPM PPM PPM PPM PPM PPM .SIEMEN M .SIEMEN M OHM-M M
LINE 30290 B 5350 S C 5357 S D 5370 L? E 5414 S
LINE 30300 A 5569 S B 5547 S C 5541 S D 5539 S E 5531 S F 5497 S? G 5491 L
LINE 30310 A 5735 S B 5748 S C 5766 S D 5772 S E 5791 S? F 5828 S G 5836 S
LINE 30320 A 5973 S B 5962 S C 5957 S D 5948 S E 5920 S F 5910 S G 5888 S
LIME 30330 A 6048 S B 6058 S C 6064 S D 6075 S
(FLIGHT 12) 640 5 10 4 431 120
(FLIGHT 12)2O3 3 l 8 6
7789234
4 4 8 8 l 3 2
265224
l 3 Ol12
(FLIGHT 12)120121121021
LINE 30340 (FLIGHT 12) A 6394 8121
LINE 30350 (FLIGHT 12) A 6601 S l 2 l
52132
14141313233
(FLIGHT 12)2434053912122 9 4 14021212124413
(FLIGHT 12) 9408
2 109225
2222
24 48 .80 114 .2 3 .2 4 .
525193932
1910
625 2
39 2 2 l
122
2092210
2222
70997676487
4 . 62 .4 .
53 .4 .4 .2 .
61 .4 .
77 . 19 .4 .4 .
23 .
4 . 4 . 4 . 4 .
4 .
4 .
6.2 2.8 5.7
2.1 1.0 3.5 3.3
19.5 9.1
4.3 0.8
1.6
5.1
3.9 3.8
15 . O .
34 .
5 . O .6 . 6 .
O ! O .
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3 .
34
7.7 25 .
14 . 22 .
4.6 12 .
l 102 1035l 31 255l 124 691
111111
11
52594042
10573
9776
244167142229
1581035
740288
ll
48 264
135 697
71 886
64 76780 908
99 623
,* ESTIMATED DEPTH MAY BE UNRELIABLE BECAUSE THE STRONGER PART , OF THE CONDUCTOR MAY BE DEEPER OR TO ONE SIDE OF THE FLIGHT , LINE, OR BECAUSE OF A SHALLOW DIP OR OVERBURDEN EFFECTS.
OO
17
9174l
50 O
O 24
24
O O
1056-C SHEBANDOWAN
COAXIAL CQPLANAR 900 HZ 900 HZ
ANOMALY/ REAL QUAD REAL QUAD FID/INTERP PPM PPM PPM PPM
LINE 30350 B 6593 S C 6583 S D 6566 S E 6544 S
LINE 30360 A 6685 S B 6694 S C 6701 S D 6709 S
LINE 30390 A 7243 S B 7201 S C 7193 S
LINE 30400 A 424 S
LINE 30430 A 989 S B 975 S C 941 S
LINE 30440 A 1097 S
(FLIGHT 13) 043 056 Oil
(FLIGHT 13) 054
OQPLANAR 7200 HZ
REAL QUAD PPM PPM
VERTICAL DIKE
HORIZONTAL SHEET
(FLIGHT 12) 1202 3 6 3 13 1212 1212
(FLIGHT 12)730442430574
LINE 30370 (FLIGHT 12) A 6889 S l 2 l 2
LINE 30380 (FLIGHT 12)A 6997 S 5 9 3 18B 7006 S l 2 l 2C 7015 S 4 4 2 5
(FLIGHT 12) 1202 1212 1212
(FLIGHT 13)l 8 8 18
LINE 30410 (FLIGHT 13)A 649 S O 5 5 9B 637 S l 7 7 15
LINE 30420 (FLIGHT 13)A 755 S O 10 8 19B 814 S O l O 2
. COND DEPTH*. CCND DEPTH
.SIEMEN M .SIEMEN M
OCNDUCTIVE EARTH
RESIS DEPTH CHM-M M
23922
222
11 52
48544
444
86 58
64 5565 38
85 672 4
2.4 l . 37 381
3457
50610
8 .4 .16 .27 .
9.84.66.64.6
31 .23 .24 .4 .
1111
1721119177
103510351029445
0007
6627
80 .3 .8 .
2.8-
4.7
0 .- .
13 .
1.1
32.97
269
803
0
0
1.8 O . 50 132 13
1.3 1.8
O . O .
l l
5449
224128
1.3 O . 48 114
8 . 0.5 O . 54 153
ESTIMATED DEPTH MAY BE UNRELIABLE BECAUSE THE STRONGER PART OF TOE CONDUCTOR MAY BE DEEPER OR TO ONE SIDE OF THE FLIGHT LINE, CR BECAUSE OF A SHALLOW DIP OR OVERBURDEN EFFECTS.
89
12
8122
46572
38 .42 .4 .
0.91.5-
0 .0 .•* *
11.
7050.
203139.
2210
13
1056-C SHEBANDOWAN
COAXIAL OOPLANAR COPLANAR . VERTICAL 900 HZ 900 HZ 7200 HZ . DIKE
HORIZONTAL CONDUCTIVE SHEET EARTH
ANOMALY/ REAL QUAD REAL QUAD REAL QUAD i COND DEPTH*.' COND DEPTH RESIS DEPTH FID/INTERP PPM PPM PPM PPM PPM PPM .SIEMEN M .SIEMEN M OHM-M Jl
LINE 30440 B 1154 S
LINE 30450 A 1322 S B 1299 L
LINE 30460 A 1420 S B 1481 S C 1492 S
LINE 30470 A 1671 S B 1651 L C 1583 S
LINE 30480 A 1832 S B 1851 S C 1915 S D 1926 S
LINE 30490 A 2129 S B 2092 S C 2082 L D 2055 S E 2018 S F 2005 S
LIME 30500 A 2205 S B 2227 S C 2240 S D 2278 S E 2287 S
LINE 30510 A 2505 S B 2468 S C 2452 S
(FLIGHT 13) 001
(FLIGHT 13)032032
(FLIGHT 13) 052 012 021
(FLIGHT 13)O O O
622
4 l O
(FLIGHT 13)021021021012121021
(FLIGHT 13)O O O O O
44127
3 3 l 3
73
122
1222
(FLIGHT 13) 3317 2 6 4 13 1212 0315
2223l 5
101324
15
(FLIGHT 13) 0212 O 5 2 10 0112
293
48122
5722
26562
15
222
18215
176
44184
6044
43 .60 .4 .
34 .
4 .4 .4 . 16 .4 . 33 .
49 63 .43 85 .2 4 .
14 23 .53 103 .
2 4 .33 74 .2 4 .
0.5 3.8
1.0 0.6
1.2
2.6 1.9
1.0
0.5
0.5 0.5
0.6 0.5
O 32
O O
20 . O .
0.5 O .
O .
O
O . O .
O ! O .
0.5 O .
l l
l l
l l
l l
l l
56195
2822
199258
109228
47 252
52 64646 229
21 551
l 15 182
l 10 373
52 20942 331
28 28334 374
54 393
,* ESTIMATED DEPTH MAY BE UNRELIABLE BECAUSE THE STRONGER PART , OF THE CONDUCTOR MAY BE DEEPER OR TO ONE SIDE OF THE FLIGHT , LINE, OR BECAUSE OF A SHALLOW DIP OR OVERBURDEN EFFECTS.
1199
10 O
O 4
O
O
8 O
O O
1056-C SHEBANDOWAN
COAXIAL COPLANAR COPIANAR . VERTICAL 900 HZ 900 HZ 7200 HZ . DIKE
HORIZONTAL CONDUCTIVE SHEET EARTH
ANOMALY/ REAL QUAD REAL QUAD REAL QUAD . COND DEPTH*, CCND DEPTH RESIS DEPTH FID/INTERP PPM PPM PPM PPM PPM PPM .SIEMEN M .SIEMEN M CHM-M M
LINE 30510 D 2439 S E 2431 S F 2379 S G 2369 S
LINE 30520 A 2533 S B 2564 S C 2639 S D 2647 S
LINE 30530 A 2986 S B 2966 S C 2902 B? D 2885 S
LINE 30540 A 3098 S B 3115 L C 3166 B? D 3183 S
LINE 30550 A 3384 S B 3366 S C 3361 S D 3341 L E 3283 S F 3253 S
LINE 30560 A 3451 S B 3466 S C 3518 L D 3532 S E 3556 S
LINE 30570 A 3722 S B 3706 L
{FLIGHT 13)O 4 l 11043611120317
(FLIGHT 13)010041246042
(FLIGHT 13) O 13 7 031 121 293
l O
233
l 4 2
l676
(FLIGHT 13)O 9 5 18132435950.3 l 7
(FLIGHT 13)O 4 2 11O 6 3 13044615141457O 4 O 10
(FLIGHT 13) 0212 O 8 4 11 O
(FLIGHT 13)O 11 4 210212
29402
23
2232932
2963587
2927
2722
16
83 .44 .4 .
45 .
4 . 48 . 33 . 54 .
7 133 184 .9 23 70 .2 2 4 .9 69 76 .
73 121 .4 24 .
19 20 .30 48 .
91 . 63 . 35 . 24 . 47 . 68 .
4 .90 .4 .
22 .18 48 .
91 135 .2 4 .
0.5 0.5
0.5
2.2 3.9 0.5
1.3 0.7
1.5
0.5 2.8 8.6 1.8
0.5 0.5 0.5 4.2 2.5 1.0
0.8 0.6
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9 .10 . O .
6 .O .* t
l .
7 .25 .9 .O .
O O O
20 5 O
0.5 O .
OO .
ll
l l
46 53140 218
67 411
121
11
1
1141
111111
8611072
3856
40
4219112158
4446541288649
68437
283
181786
276
22352012
695
489245235808182831
0.5 O .
46 221W* W
26 32294 569
45 206
O O
O75 22
5 O
761 94O
O 4 9
1135O
O 10
, * ESTIMATED DEPTH MAY BE UNRELIABLE BECAUSE THE STRON3ER PART , OF THE CONDUCTCR MAY BE DEEPER OR TO ONE SIDE OF THE FLIGHT , LINE, OR BECAUSE OF A SHALLOW DIP OR OVERBURDEN EFFECTS.
1056-C SHEBANDOWAN
COAXIAL COPLANAR COPLANAR . VERTICAL 900 HZ 900 HZ 7200 HZ . DIKE
HORIZONTAL CONDUCTIVE SHEET EARTH
AJOIALY/ REAL QUAD REAL QUAD REAL QUAD . CCND DEPTH*. COND DEPTH RESIS DEPOT FID/INTERP PPM PPM PPM PPM PPM PPM .SIEMEN M .SIEMEN M OHM-M M
LINE 30570C 3662 LD 3646 D
LINE 30580A 3827 SB 3843 LC 3890 DD 3894 DE 3916 S—. — ..-.----
LINE 30590A 4103 SB 4088 SC 4035 SD 4024 DE 3996 DF 3992 S
LINE 30600A 4200 SB 4214 SC 4218 LD 4258 SE 4271 DF 4276 DG 4296 D?H 4299 S
LINE 30610A 4470 SB 4386 DC 4380 DD 4360 DE 4357 D
LINE 30620A 4623 SB 4642 LC 4678 DD 4694 DE 4700 D
,
(FLIGHT0 28 5
(FLIGHT0 72 28 37 40 2
(FLIGHT0 50 40 19 44 30 3
(FLIGHT0 53 53 40 39 68 82 31 2
(FLIGHT0 5
10 67 51 25 5
(FLIGHT0 31 25 613 610 6
13)1
15
13)62
18181
13)421
1755
13)5336
191931
13)4181814
13)0051818
.* ESTIMATED DEPTH MAY
. OF
211
151882
1372947
1213137
161642
11131426
6241414
BE
241
761043432
61172
482121
493232377777152
4970702
17
310
136868
.4 .
41 .
,59 .32 .29 .29 .4 .
*
,
45 .54 .4 .
34 .45 .56 .
t
12 !96 .96 .58 .60 .60 .21 .4 .
t
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t
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UNRELIABLETHE CONDUCTOR MAY BE DEEPER OR
. LINE, UK tiUUAUbE Ut' A SHALLUW LJJ-F
-16.3
0.96.0
31.921.4
-
0.50.5-
22.79.10.5
0.52.63.10.9
15.211.64.6
MB
1.017.112.1-
5.6
0.5-
7.120.716.5
BECAUSE
t
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1174-
11-621
1111522o*
142.1
1-232
THE STRONGERTO ONE SIDE OF
-110
52176110133-
5285-96
193101
51461959910188
171-
6099
105~133
84-190112122
PARTTHE FLIGHT
OR OVERBURDEN EFFECTS.
.16
170342
413-
156363~6
35143
14231380897
4142-
1541429.94
1019—521533
t
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-
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136693
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1323.
7615252
120
143568054
129-
187373.
87
0.
1448566
1056-C SHEBANDOWAN
'V
COAXIAL 900 HZ
COPLANAR 900 HZ
COPLANAR . 7200 HZ .
4
ANOMALY/ REAL QUAD REAL QUAD REAL QUAD .FID/INTERF
LINE 30620F 4721 B?
LINE 30630A 4910 SB 4832 DC 4811 DD 4804 DE 4777 S?F 4767 D
LINE 30640A 4981 SB 5038 B?C 5054 DD 5061 DE 5082 SF 5087 S
LINE 30650A 5268 SB 5244 LC 5199 DD 5177 DE 5169 DF 5140 DG 5137 SH 5133 B?
LIKE 30660A 5338 SB 5349 SC 5358 LD 5365 LE 5391 SF 5396 B?G 5414 BH 5421 DI 5445 DJ 5447 S
PPM PPM
(FLIGHT1 2
(FLIGHT0 25 5
12 87 41 23 4
(FLIGHT0 90 29 6
12 81 20 3
(FLIGHT0 20 25 412 711 58 61 10 2
(FLIGHT0 50 51 20 10 10 28 9
12 105 21 2
PPM
13)1
13)13
181614
o1
201717
13)105
2515811
13)640361
201671
PPM
2
3516325
222
161626
225
21171322
10133362
191962
PPM
2
191174712
13
972
77772
22
21
1898834622
51381814232
9292292
PPM .4
4
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59 .57 .4 .12 .
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15 .70 .68 .94 .4 .4 .
t
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VERTICAL DIKE
. HORIZONTAL SHEET
4
COND DEPTH*. COND DEPTHSIEMEN
-
0.96.114.638.5
.5.2
1.1.
14.014.3
-3.5
--
8.016.415.18.6--
0.90.65.60.70.5-
9.811.812.5
—
M
-
093
15—
17
0.513-
14
--
1586
23--
00
3000-47
17-
.SIEMEN4
*
t "*
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2492
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M
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28184111173.
186
48—105131..146
M,
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12890
144129.-
6234
18682
100.91112130-
CONDUCTIVE EARTH
RESIS DEPTHOHM-M
-
377971616—
1035
134—98
.55
.—65133
39w
H*
796981035
616.141827w
M
-
012983
142—0
11—
83109
.103
M
——
8566
12993—
-
2600
7670.
668496-
LINE 30670 (FLIGHT 13) A 5560 S 6 4 3 6 20 15 . 7.9 O . 80 91 36
,* ESTIMATED DEPTH MAY BE UNRELIABLE BECAUSE THE STRONGER PART , OF THE CONDUCTOR MAY BE DEEPER OR TO ONE SIDE OF THE FLIGHT , LINE, OR BECAUSE OF A SHALLOW DIP OR OVERBURDEN EFFECTS.
r
1056-0 SHEBANDOWAN
COAXIAL CQPLANAR COPLANAR . VERTICAL . HORIZONTAL CONDUCTIVE 900 HZ 900 HZ 7200 HZ . DIKE . SHEET EARTH
ANOMALY/ REAL QUAD REAL QUAD REAL QUAD . COND DEPTH*. COND DEPTH RESIS DEPTH FID/INTERP PPM PPM PPM PPM PPM PPM .SIEMEN M .SIEMEN M CHM-M M
LINE 30670 B 5557 D C 5536 D D 5533 D E 5527 B? F 5504 D G 5499 D
(FLIGHT 13)665
19 11 2612 9 26121121867
LINE 30680 (FLIGHT 11)A 1361 S B 1364 D C 1390 D D 1395 D E 1420 S F 1436 D G 1441 B?
LINE 30690 A 1301 D B 1296 D C 1294 S D 1290 B? E 1273 D F 1261 D
3l
15 12O
104
3298438
A 837 SB 867 DC 871 DD 875 DE 898 D
2 13 11 8 O
37682
F 909 D 8
A 2130 S B 2141 S C 2246 S D 2293 S E 2353 S F 2410 S
1 O O2 2 l
224562
3 l
2220
O88
(FLIGHT 11)6 4 11121121469020635
LINE 30700 (FLIGHT 11)2
18 16 16l
LDJE 39010 (FLIGHT 15)l l l12 O
6232322
11
52
192281111
422856
51014142
8 8
221116122
20105105
22
39
192
8690144646
3622
385
27
196261612
35
22
2452482
1599
10144
52
134
7380625252
2344
3338
152157574
38
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93 . 92 . 67 .4 .
6.418.113.7
1.0
16.612.70.516.74.2
6.6 0.5
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1.021.315.910.0
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8.8 10 .
5 . 10 .O .
12 .O .
22.0 12 .
6 .O .
28 .
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133
1
1
33121
1129272
mm
96
42
1146871
10199
1521920
69
85
2523
89559
148
606548
58
21
83420
6249
159 11 132
211
1232
124134115
161007992
541035105
180311629
830
69
0685561
12.4 10 . 2 109 62 68
0.5 O . l 43 510 O0.8 O . l 28 457 O1.2 O . l 25 400 O
,* ESTIMATED DEPTH MAY BE UNRELIABLE BECAUSE THE STRONGER PART , OF THE CONDUCTOR MAY BE DEEPER OR TO ONE SIDE OF TOE FLIGHT , LINE, OR BECAUSE OF A SHALLOW DIP OR OVERBURDEN EFFECTS.
1056-D SHEBANDOWAN
COAXIAL COPLANAR COPIANAR . VERTICAL . HORIZONTAL CONDUCTIVE 900 HZ 900 HZ 7200 HZ . DIKE . SHEET EARTH
ANOMALY/ REAL QUAD REAL QUAD REAL QUAD . CCND DEPTH*. COO DEPTH RESIS DEPTH FID/INTERP PPM PPM PPM PPM PPM PPM .SIEMEN M .SIEMEN M OHM-M M
LINE 40010ABCDBFGHIJ
4874488048894900493949654969497250035005
SSSsBDS?B?DS?
LINE 40020ABCDEFGHIJR
51955186517651715162513151075104510250795071
SSSS?SBBS?B?DD
LINE 40030ABCDEFGH
53365351537154135438544354635472
SSSS?S?BDD
LINE 40040ABCDEF
587158455806577857745755
.*
SSSDBB?
(FLIGHT4401
11165
141111
147
102892
1455
(FLIGHT311108
119917
82321666825
(FLIGHT1404141406
2132791029
(FLIGHT100910
1853622
9)58005
20202055
9)61000
1019191913
9)1713191912
9)9051411
30191721521212177
152523
1411111125
2282111717210
26651222
ESTIMATED DEPTH MAY BE
204209632
891341341344848
1242
132
20568887872
24
2236
168105105
233
24133268322
4
.
199 .42 .
308 .4 .
108 .162 .169 .169 .70 .70 .
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19 .54 .70 .70 .70 .4 .
26 .4
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4 .91 .98 .98 .4 .
52 .*
280 !90 .38 .74 .4 .4 .
UNRELIABLE
1.83.30.5.
7.715.610.610.317.017.8
2.6.0.5-1.08.8
20.918.714.1-
7.9
-2.4.3.315.314.2
.3.9
1.30.50.9
13.2.-
BECAUSE
2186.03
1829
13
11—0-00843-
27
-1.090.0
0000.-
THE
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123 2 l l
52564
244
l l l 4
841477595
124109
5683
1028595
1178997
231195626
1173319458981
32 182
147 1035
l41
96
14
l 174 754
36 171
311111
36 134178 1035
O 186108 12
PARTOF THE CONDUCTOR MAY BE DEEPER OR TO ONE SIDE OF THE FLIGHT LINE, OR BECAUSE OF A SHALLOW DIP OR OVERBURDEN EFFECTS.
O 3 O
3911150617765
5249796669
39
836673
141 32 104
5OO
83
1056-D SHEBANDOWAN
COAXIAL COPLANAR COPLANAR . VERTICAL . HORIZONTAL CONDUCTIVE900 HZ 900 HZ 7200 HZ . DIKE . SHEET EARTH
ANOMALY/ REAL QUAD REAL QUAD REAL QUAD . CCND DEPTH*. COND DEPTH RESIS DEPTHFID/INTERP PPM PPM PPM PPM PPM PPM .SIEMEN M .SIEMEN M OHM-M M
LINE 40040G 5747 S?
LINE 40050ABCDEFGH
59715987600160406047606960736102
SLSDDBB?S
LINE 40060ABCDEFGHIJKL
629262826280626062516229622162136210619061856163
SSSS?SSSDDDBB?
LINE 40070ABCDBFGHIJ
6643665766816683670167386742676567686793
SSSLS?S?DB?B?S
LINE 40080AB
70077000
t
,*
SS
(FLIGHT0 2
(FLIGHT30036
15150
1533
1415882
(FLIGHT0210000391260
81222222
1724652
(FLIGHT130011
112210
2104232
281124
(FLIGHT20
55
9)1
9)30099
25250
9)2210111
111124241
9)1400219
3312
9)34
2
2736
303116162
16322122
434311142
2187242
552026
104
ESTIMATED DEPTH MAY BE
2
1960
25192192114114
2
114145
20022
21921999992
218617242
301135
217
141105
.
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404 .415 .98 .98 .4 .
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626 .84 .4 .
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-
1.16.11.62.02.9
22.021.3-
0.51.0~-.--1.83.1
26.516.9-
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2.826.3
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2.1
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t
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t- .4 .0 .. t0 .. .0 .8 .. ,
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1111143
11
1813652
104408077•M
2414
39210359725252681118
455102
000
181
5752
00
OF THE CONDUCTCR MAY BE DEEPER OR TO ONE SIDE OF THE FLIGHT LINE, OR BECAUSE OF A SHALLOW DIP OR OVERBURDEN EFFECTS.
1132
11
1
14
1
11
RON3THE
33309399
2669
140
2272
151
3215
2R PARTFLIGHT
1361321634
290943M
192
16311
149
21156
*
t
00
6766
00
105
050
96
03
1056-D SHEBANDOWAN
COAXIAL COPIANAR COPLANAR . VERTICAL . HORIZONTAL CONDUCTIVE 900 HZ 900 HZ 7200 HZ . DIKE . SHEET EARTH
t t
ANOMALY/ REAL QUAD REAL QUAD REAL QUAD . COND DEPTH*. CCND DEPTH RESIS DEPTH FID/INTERP PPM PPM PPM PPM PPM PPM .SIEMEN M .SIEMEN M OHM-M M
LINE 40080C 6961 SD 6913 SE 6907 SF 6894 DG 6890 B?H 6868 SI 6857 S?
LINE 40090A 7351 SB 7378 SC 7440 SD 7460 B?E 7462 B?F 7483 S?
LINE 40100A 374 SB 385 SC 431 SD 481 B?E 500 DF 503 B?G 524 B?
LINE 40110A 746 SB 715 LC 694 SD 647 B?E 630 DF 628 B?G 612 B
LINE 40120A 820 SB 834 SC 845 SD 858 LE 887 SF 934 D
(FLIGHT0 22 50 2
16 816 80 70 2
(FLIGHT3 91 05 7
24 2124 211 2
(FLIGHT0 61 90 11 12
28 2228 220 2
(FLIGHT2 120 70 23 87 91 20 2
(FLIGHT1 192 90 100 20 21 9
9)051
262611
9)201
42420
10)1405
43431
10)6304
1510
10)771003
21021717112
162
1041412
9171
1946462
2732
102122
366
192510
12512
123123322
1132
54268268
2
57141
21113103102
205100
49109
22
249244105
01143
t
35 !97 .4 .
143 .143 .134 .
4 .t
92 !4 .
120 .415 .415 .
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125 !110 .
4 .225 .475 .476 .
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206 !23 .4 .
134 .173 .
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350 !30 .
295 .4 .
81 .132 .
0.32.9.
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15.215.2
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0.82.80.5
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t
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11mm
341mm
1-133mm
l1.133-
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111.11
050—83
10648-
29—545762-
2629—456352-
33202.6660—-
343233.0
96
891174
2411
781-
333—
6392114-
364259—
2111919-
17852o
26758—-
160182613—
1105218
04
56820
0—0
3441-
00mm
54030
1156—
1628
-
320mm
043
,* ESTIMATED DEPTH MAY BE UNRELIABLE BECAUSE THE STRCN3ER PART , OF THE CONDUCTOR MAY BE DEEPER OR TO ONE SIDE OF THE FLIGHT , LINE, OR BECAUSE OF A SHALLOW DIP OR OVERBURDEN EFFECTS.
1056-D SHEBANDOWAN
COAXIAL COPLANAR COPLANAR . VERTICAL 900 HZ 900 HZ 7200 HZ . DIKE
HORIZONTAL CONDUCTIVE SHEET EARTH
ANOMALY/ REAL QUAD REAL QUAD REAL QUAD . COND DEPTH*, COND DEPTH RESIS DEPTH FID/INTERP PPM PPM PPM PPM PPM PPM .SIEMEN M .SIEMEN M OHM-M M
LINE 40120 G 955 D H 972 S? I 985 S?
LINE 40130 A 1181 S B 1172 S C 1156 L D 1116 S B 1082 D F 1064 S? G 1041 S
LINE 40140 A 1274 S B 1372 D C 1391 D D 1418 S
LINE 40150 A 1612 S B 1596 L C 1517 B D 1504 S? E 1483 S
LINE 40160 A 1709 S B 1730 L C 1751 L D 1807 B? E 1810 B? F 1824 D G 1847 S
LINE 40170 A 2040 S B 2019 L C 1943 B D 1928 D E 1917 S?
(FLIGHT 10) 6489 0212 O 6 2 10
{FLIGHT 10) 265 O 12 O 4
3O4 15 O 2 O 2
l 4 3 l O
12372
12
712 5 4 l
(FLIGHT 10) l 12 6 4 20 8 157 O 16 3
(FLIGHT 10)74512
(FLIGHT 10) 2 11 4 513 031 7 17 13 7 17 13 566 O 19 4
(FLIGHT 10)083221121759020
38 66 .2 4 .
24 178 .
11 8834 232l 39 26
30 1862 142 14
24 18041 269
6 2430 142
8 2102 12
17 1122 2
26 141
21 1803 4l 9
38 22038 2208 21
41 209
17 1303 92 27 332 2
86 .313 .
10 .156 .314 .
17 .33 .
177 .335 .
40 .429 .
10 .42 .
134 .4 .
358 .
223 .8 .8 .
341 .341 .86 .
601 .
187 .6 .4 .
84 .4 .
8.5 v
0.5
2.4 0.9 6.3 1.3 1.7 0.9 0.4
1.2 1.7 4.1 0.5
2.1 9.6 2.6
0.5
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0.5 5.3
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2
l
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38 13832 323
205 103593 27827 17166 20219 389
37 16035 118
201 103525 351
4019926
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15611
16029
168
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25233
1366592
114393
27 425175 1035
11.9 20 . 2 128 43
69
14
7 O O
37 O
39 O
5 2 O O
6161
O
l154822010
104O
O O*M
90
,* ESTIMATED DEPTH MAY BE UNRELIABLE BECAUSE OKE STRONGER PART , OF THE CONDUCTOR MAY BE DEEPER OR TO ONE SIDE OF THE FLIGHT , LINE, GR BECAUSE OF A SHALLOW DIP OR OVERBURDEN EFFECTS.
1056-D SHEBANDOWAN
COAXIAL COPLANAR COPLANAR 900 HZ 900 HZ 7200 HZ
VERTICAL . HORIZONTAL CONDUCTIVE DIKE . SHEET EARTH
ANOMALY/ REAL QUAD REAL QUAD REAL QUAD , OCND DEPTH*. OOND DEPTH RESIS DEPTH FID/INTERP PPM PPM PPM PPM PPM PPM .SIEMEN M .SIEMEN M OHM-M M
LINE 40170F 1904 S
LINE 40180A 2115 SB 2161 L?C 2214 DD 2215 B?E 2230 DF 2242 S?G 2255 S
LINE 40190A 2468 SB 2457 SC 2344 DD 2321 SE 2310 S— — - -— — ~—
LINE 40200A 2508 SB 2513 SC 2526 S?D 2532 LE 2615 DF 2629 DG 2641 DH 2656 SI 2673 S
LINE 40210A 2859 SB 2837 L?C 2831 LD 2752 SE 2742 BF 2726 SG 2701 S
LINE 40220A 2900 SB 2909 S
(FLIGHT0 16
(FLIGHT0 80 26 66 69 80 22 19
(FLIGHT0 100 84 60 60 5
(FLIGHT0 110 110 20 27 46 70 50 20 7
(FLIGHT0 120 21 21 26 30 20 2
(FLIGHT0 10 9
10)2
10)3399
1313
10)11732
10)241196101
10)4115711
10)14
30
175
1212132
41
91469
10
222222
1396215
25224623
26
172
85215454492
217
10088243329
151128
22
5835182
33
13922
23202
12
2119
4
,
425 .4
270 !59 .55 .55 .
140 .4 .
585 .4
270 !217 .57 .143 .130 .
4
.
170 .302 .
4 .4 .
104 .72 .92 .4 .
239 .4
319 !4 .4 .
29 .32 .4 .
40 .4
4
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0.5
0.50.47.67.4
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0.50.56.00.50.5
0.50.5-~
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4
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4
4
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7 .
1
15112—1
11111
11..111-1
1.—13.1
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4574636881.15
2832
1306761
3741~.75100150-38
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112.0
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483
2652
1006044.
343
504554195739499
240256..10095
1035.698
303..
24219.
702
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0
770223349
mm
0
00
7200
35
—34590
0
0
^
083
0
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ESTIMATED DEPTH MAY BE UNRELIABLE BECAUSE THE STRONGER PART OF THE CONDUCTOR MAY BE DEEPER OR TO ONE SIDE OF THE FLIGHT LINE, OR BECAUSE OF A SHALLOW DIP OR OVERBURDEN EFFECTS.
1056-D SHEBANDOWAN
COAXIAL COPLANAR COPLANAR . VERTICAL 900 HZ 900 HZ 7200 HZ . DIKE
HORIZONTAL CONDUCTIVE SHEET EARTH
ANOMALY/ REAL QUAD REAL QUAD REAL QUAD . COND DEPTH*. CCND DEPTH RESIS DEPTH FID/BHERP PPM PPM PPM PPM PPM PPM .SIEMEN M .SIEMEN M CHM-M M
LINE 40220CDEFG
29352997300730143035
LL?S?BB?
LINE 40230ABCD
3260324732253143
LSLB?
LINE 40240ABCDEFGHI
329133003321333433483404342334353442
LSLSSS?S?SS
LINE 40250ABCDEFGH
36293621360936003593357735653517
LSLLSLSS?
LINE 40260ABCDEFG
3663368436883707375037593763
i*
SLSLLSS
(FLIGHT536
100
62462
(FLIGHT3226
61366
(FLIGHT101106010
292224222
(FLIGHT40371114
46234325
(FLIGHT0100541
ESTIMATED
5251532
10)741091
10)2446
10)141125121
10)43361315
10)5121361
1510132
923210
2182239272
7936902
10
122114562
DEPTH MAY BE
71749462
461191244
279224
42272
25357
1016112
33
372
318
14402
*
t
7 .13 .93 .86 .4 .
4
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4
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78 .4 .
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128 .
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UNRELIABLE
9.87.510.710.3-
2.51.01.06.5
-0.5-~
0.27.6~1.8-
5.50.77.8
16.10.70.5.
4.2
1.3.
0.60.47.28.1-
BECAUSE
250
2125-
700
21
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28.
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310
383500.
13
2.000
19-
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4
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7122
1111
160718894M
126298386
54643246
22435530263
1410
5761
680
5250
l l
2 l l 3 l l
l l l l
51 260
31 187156 211
157 6270 286
135 125140 27
510137
4071
61 503•w w
61 249126 3086 17383 71
OF THE CONDUCTOR MAY BE DEEPER OR TO ONE SIDE OF THE FLIGHT LINE, OR BECAUSE OF A SHALLOW DIP OR OVERBURDEN EFFECTS.
10
O 14
2 186 45 143
113 21 83107
O44
86 87 46
141092844
fcS-D SHEBANDOWAN
COAXIAL COPLANAR COPLANAR . VERTICAL 900 HZ 900 HZ 7200 HZ . DIKE
HORIZONTAL CONDUCTIVE SHEET EARTH
ANOMALY/ REAL QUAD REAL QUAD REAL QUAD . COND DEPTH*. CCND DEPTH RESIS DEPTH FID/INTERP PPM PPM PPM PPM PPM PPM .SIEMEN M .SIEMEN M CHM-M M
LINE 40260 (FLIGHT 10) H 3768 S? 5 3 6 6 22 32 . 9.5 25 . 62 337
ESTIMATED DEPTH MAY BE UNRELIABLE BECAUSE THE STRONGER PART . OF THE CONDUCTOR MAY BE DEEPER OR TO CNE SIDE OF THE FLIGHT . LINE, OR BECAUSE OF A SHALLOW DIP OR OVERBURDEN EFFECTS,
10
LINE 40270A 3977 LB 3966 SC 3943 LD 3862 SE 3852 D?F 3845 S
LINE 40280A 4008 LB 4020 SC 4045 LD 4094 SE 4118 SF 4134 DG 4140 S
LINE 40290A 4360 LB 4348 SC 4340 S?D 4333 SE 4325 SF 4317 LG 4300 LH 4264 S?I 4241 DJ 4227 S
LINE 40300A 4391 SB 4400 SC 4413 L?D 4422 LE 4442 LF 4448 SG 4496 SH 4504 DI 4520 S
(FLIGHT104440
264352
(FLIGHT00303
110
212614
112
(FLIGHT6000121180
31325732272
(FLIGHT003410580
964722453
10)124341
10)13618
111
10)5000451041
10)214911962
2129742
21152882
41129
12623
105
1573927
1087
t
2 4 i43 59 .33 127 .23 55 .14 72 .2 4 .
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69 170 .24 84 .2 4 .
45 76 .30 95 .2 4 .
t
17 17 !42 423 .2 4 .
21 121 .28 185 .35 133 .2 4 .
17 7 .41 73 .15 79 .
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15 133 .57 83 .4 76 .
23 18 .
-0.54.25.94.6-
-0.54.3-7.59.7-
14.50.5-
0.51.34.7-1.07.20.6
0.51.26.55.6-1.37.8
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24 .7 ,
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1111.1331
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147106
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614273158.1666
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32658622069.1662316
198
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70.6666-
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906160
00
7964.
5262
11855
1056-D SHEBANDOWAN
COAXIAL COPLANAR COPLANAR . VERTICAL 900 HZ 900 HZ 7200 HZ . DIKE
HORIZONTAL CONDUCTIVE SHEET EARTH
ANOMALY/ REAL QUAD REAL QUAD REAL QUAD . CCND DEPTH*! CCND DEPTH RESIS DEPTH FID/INTERP PPM PPM PPM PPM PPM PPM .SIEMEN M .SIEMEN M CHM-M M
LINE 40340A 5192 S?B 5199 LC 5215 SD 5222 LE 5238 SF 5248 LG 5258 SH 5290 LI 5299 S?J 5301 B?K 5320 S
LINE 40351A 2190 SB 2204 LC 2218 SD 2250 SE 2273 SF 2302 LG 2317 BH 2335 S
LINE 40361A 2871 SB 2863 LC 2850 SD 2842 LE 2819 SF 2762 SG 2740 S
LINE 40371A 2991 SB 3001 LC 3017 LD 3044 SE 3062 SF 3104 S
(FLIGHT18160606452
26532120576
(FLIGHT17110111
25211223
(FLIGHT0201010
3411212
(FLIGHT071001
452112
10)14580416522
7)01000010
7)0301110
7)031005
2 27 368 251 212 23 102 23 37
12 5112 519 18
6 136 284 184 183 121 22 24 15
7 273 132 22 24 272 22 2
8 262 82 24 182 26 40
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4 .7 .4 .14 .78 .78 .92 .
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39 .
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0.86.70.60.50.3
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0.54.0--
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43162.11.79
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384192402856
9431009586566993——
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783113—
454.
121
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115—0
016220
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^
0
0144
mm
mm
4—-
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33
LINE 40381 (FLIGHT 7) A 3385 S O 4 O 8 37 121 .0.5 O . 59 843
ESTIMATED DEPTH MAY BE UNRELIABLE BECAUSE THE STRCN3ER PART OF THE CONDUCTOR MAY BE DEEPER OR TO ONE SIDE OF THE FLIGHT LINE, OR BECAUSE OF A SHALLOW DIP OR OVERBURDEN EFFECTS.
1056-D SHEBANDOWAN
COAXIAL COPLANAR OOPLANAR . VERTICAL . HORIZONTAL CONDUCTIVE900 HZ 900 HZ 7200 HZ . DIKE . SHEET EARTH
ANCMALY/ REAL QUAD REAL QUAD REAL QUAD . COND DEPTH*! CCND DEPTH RESIS DEPTHFID/INTERP PPM PPM PPM PPM PPM PPM .SIEMEN M .SIEMEN M CHM-M M
LINE 40381 (FLIGHT 7) B 3377 L 4 5 4 C 3364 S O D 3334 S E 3275 SF 3250 S
LINE 40392A 777 SB 767 LC 762 LD 660 SE 630 S
O l O
1222
1 O2 O
32264
{FLIGHT 8) 12028 l l O
10212
l O O O
10222
LINE 40402 A 854 L B 963 S C 997 S
(FLIGHT 8) 8 10 O 6 4 5 3 13 0102
15142
3014
23222O
21362
6 . 16 .4 .
27 . 46 .
4 . 31 . 4 . 4 . 4 .
17 .93 .4 .
LINE 40411 (FLIGHT 8) A 1249 S O 14 O 25 168 336 . B 1232 L 5 6 2 4 23
29C 1132 S 2 2 3 6D 1129 B? l 2 l 2E 1102 S O 2 O 2
LINE 40421 A 1471 S B 1488 L C 1545 S l D 1587 S 3
(FLIGHT 8)3 14 2 25 191 270 9 6 8 5 19 22
20224
LINE 40431 (FLIGHT 8)A 1883 S B 1868 L C 1772 S D 1750 S E 1729 S
LINE 40441 A 1940 S B 1959 L
O 4l O O
184322
4 3 l l l
6.6 1.0
1.9 0.3
4.5
35 .59 .
2 4 . 2 4 .
3.9 3.1
0.5 5.0 4.1
1.2 14.8
37 215 386 .2 10 19 .6 38 71 .2 2 4 .4 3 57 .
(FLIGHT 8)l 18 2 28 249 128 .121224.
0.6 7.2 1.7
0.5
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6 .
3 .4 .
O .19 .7 .
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11 52 123 .2.9 7 .
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21
11
17415
9318
64598
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119669
1280
430
94 1014
11
111
14
1
121
10026
611371
8172
82
1318589
1035478
425367106
43811
154
31338
126
00
03927
0145
36
014341
O .24 .O .
O . l 143 1035
321
ESTIMATED DEPTH MAY BE UNRELIABLE BECAUSE THE STRQN3ER PART OF THE CONDUCTOR MAY BE DEEPER OR TO ONE SIDE OF THE FLIGHT LINE, OR BECAUSE OF A SHALLOW DIP OR OVERBURDEN EFFECTS.
1056-D SHEBANDOWAN
COAXIAL COPLANAR OOPLANAR . VERTICAL 900 HZ 900 HZ 7200 HZ . DIKE
HORIZONTAL CONDUCTIVE SHEET EARTH
ANOMALY/ REAL QUAD REAL QUAD REAL QUAD .' CO DEPTH*; COND DEPTH RESIS DEPTH FID/INIERP PPM PPM PPM PPM PPM PPM .SIEMEN M .SIEMEN M OHM-M M
LINE 40441 C 2049 S D 2076 S E 2092 S F 2105 S
LINE 40451 A 2331 S B 2310 L C 2219 S D 2193 S B 2180 S
LINE 40462 A 2391 S B 2416 L C 2487 L D 2498 S E 2502 B? F 2530 B?
LINE 40471 A 2772 S B 2752 S C 2745 L D 2667 S E 2627 S
LINE 40481 A 2827 S B 2855 L C 2931 L? D 2935 S
LINE 40491 A 3207 S B 3192 S C 3164 L D 3108 S E 3085 S
(FLIGHT 8) 3 6 5 11 O 11 O 24
O 42l
3 O O
6 5 O
3 8 2 O
1 O23 O
137452
3 O12 O
209262
56 112 .45 379 .4 44 .2 4 .
l 3 l O
10112
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2 123 l l
3132l
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28 210 114 .11 14 195 .5 11 69 .8 51 118 .22 4 .
(FLIGHT 8)2 14 7 24 2032 3 3 2 125 7 7 13 45O 7 6 13 44
(FLIGHT 8)7 31 284 l 20 45 8 5 19 3 6 40 122
64 .42 .125 .162 .
269 . 317 .24 .92 . 4 .
LINE 40501 (FLIGHT 8) A 3413 S 5 22 3 40 316 509 .
3.3 0.5 0.5
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2.4 0.5
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19 186
7586
116205
14 221
3 316
ESTIMATED DEPTH MAY BE UNRELIABLE BECAUSE THE STRONGER PART OF THE CONDUCTOR MAY BE DEEPER OR TO ONE SIDE OF THE FLIGHT LINE, OR BECAUSE OF A SHALLOW DIP OR OVERBURDEN EFFECTS.
3236
21
1121
1111
1111
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2243
15492
191608657
18234083
44187
1535996366
16713780
261
18452625085
8420
00
10953
01024613
00
1540
1056-D SHEBANDOWAN
COAXIAL COPLANAR 900 HZ 900 HZ
COPLANAR . VERTICAL 7200 HZ . DIKE
HORIZONTAL CONDUCTIVE SHEET EARTH
ANOMALY/ REAL QUAD REAL QUAD FID/INTERP PPM PPM PPM PPM
REAL QUAD . COND DEPTH*. COND DEPTH RESIS DEPTH PPM PPM .SIEMEN M .SIEKEN M OHM-M M
LINE 40501 B 3431 S C 3441 S? D 3462 L E 3510 S F 3512 S? G 3518 S H 3540 S I 3568 S J 3573 S
LINE 40511 A 3773 S B 3749 S C 3723 L D 3675 S? E 3669 S?
LINE 40521A 4045 SB 4069 L?C 4106 LD 4144 B E 4185 S
LINE 40531A 4407 SB 4388 L? C 4352 L D 4312 S
LINE 40541A 4644 SB 4672 SC 4700 L D 4706 LE 4724 LF 4733 S?G 4741 SH 4766 S
(FLIGHT 2 2 1 2 6 1 3 5 1 2 1 2 1 2 4 1 1 1
(FLIGHT 3 17 2 8 1 2 3 2 1 2
(FLIGHT0316 0
13536 2
(FLIGHT11 0 3
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10 41 2 2 2 2 2 0 1 9 2 2
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.* ESTIMATED DEPTH MAY BE UNRELIABLE BECAUSE THE STRON3ER PART
. OF TOE CONDUCTOR MAY BE DEEPER OR TO ONE SIDE OF THE FLIGHT , LINE, OR BECAUSE OF A SHALLOW DIP OR OVERBURDEN EFFECTS.
1056-D SHEBANDOWAN
COAXIAL COPLANAR COPIANAR 900 HZ 900 HZ 7200 HZ
ANOMALY/ REAL QUAD REAL QUAD REAL QUAD FID/INTERP PPM PPM PPM PPM PPM PPM
LINE 40551 {FLIGHT 8)B 5010 S O 10 3 20 122 282 .C 4924 S 3 7 5 13 74 126 .D 4899 S O 2 l l 2 4 .
VERTICAL . HORIZONTAL CONDUCTIVE DIKE . SHEET EARTH
COND DEPTH*. CCND DEPTH RESIS DEPTH ——— M .SIEMEN M CHM-M M
0.6 O . l 26 317 O 2.9 O . l 59 76 23
LINE 40561A 5060 S B 5072 S C 5094 SD 5123 LE 5132 L F 5151 D G 5157 D H 5160 S I 5189 S
LINE 40571A 5428 S B 5415 SC 5364 L D 5339 D E 5336 S F 5332 D
LIKE 40580A 790 S B 709 LC 681 S
LIKE 40590A 854 S B 933 S?C 946 B D 967 S
LIKE 40600A 1239 S B 1138 S C 1131 B
(FLIGHT0 13 0 8 0 20 10 2 5 7
11 22 11 22 0 2
(FLIGHT0 10 0 20 5 6 12 6 14 4 12
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,* ESTIMATED DEPTH MAY BE UNRELIABLE BECAUSE TOE STOON3ER PART . OF THE CONDUCTOR MAY BE DEEPER OR TO ONE SIDE OF THE FLIGHT . LINE, OR BECAUSE OF A SHALLOW DIP OR OVERBURDEN EFFECTS.
1056-D SHEBANDOWAN
COAXIAL OOPLANAR 900 HZ 900 HZ
OOPLANAR . VERTICAL . HORIZONTAL CONDUCTIVE 7200 HZ . DIKE . SHEET EARTH
ANOMALY/ REAL QUAD REAL QUAD REAL QUAD . COND DEPTH*. COND DEPTH RESIS DEPTH FID/INrERP PPM PPM PPM PPM PPM PPM .SIEMEN M .SIEMEN M OHM-M M
LINE 40610BC
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27 36240 36040 747
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O O O
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1056-D SHEBANDOWAN
COAXIAL OOPLANAR OOPLANAR . VERTICAL 900 HZ 900 HZ 7200 HZ . DIKE
HORIZONTAL CONDUCTIVE SHEET EARTH
* c
ANOMALY/ REAL QUAD REAL QUAD REAL QUAD . COND DEPTH*. COND DEPTH RESIS DEPTH FID/INTERP PPM PPM PPM PPM PPM PPM .SIEMEN M .SIEMEN M OHM-M M
LINE 40650BCDEFGHIJ
233623392344236123862405241024242439
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16162
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120
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22215
212174
14101427422
36366
121151
10312
8211672
20201
ESTIMATED DEPTH MAY BE
222235
1011011513
6726291412822
19419411
759611846
1532
5217358502
113113
2
4444
48136349759
17963
21393982244
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5566
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133141
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00
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1056-D SHEBANDOWAN
COAXIAL COPLANAR COPLANAR . VERTICAL . HORIZONTAL CONDUCTIVE 900 HZ 900 HZ 7200 HZ . DIKE . SHEET EARTH
ANOMALY/ REAL QUAD REAL QUAD REAL QUAD . CCND DEPTH*! CCND DEPTH RESIS DEPTH FID/INTERP PPM PPM PPM PPM PPM PPM .SIEMEN M .SIEMEN M CHM-M M
LINE 40690A 3271 SB 3281 SC 3291 LD 3293 LE 3315 SF 3335 D
LINE 40700A 3597 SB 3591 S?C 3584 LD 3553 SE 3531 D- ———— •~
LINE 40710A 3710 SB 3722 LC 3754 SD 3772 S?
LINE 40720A 4019 SB 4009 LC 3973 SD 3955 S
LINE 40730A 4135 SB 4146 LC 4154 LD 4176 SE 4193 SF 4237 S
LINE 40740A 4423 SB 4366 S
LINE 40750A 4499 SB 4533 S
(FLIGHT0 90 164 31 20 35 11
(FLIGHT0 110 14 70 12 7
(FLIGHT0 145 20 30 6
(FLIGHT0 141 40 30 12
(FLIGHT0 41 31 10 30 30 1
{FLIGHT0 30 2
(FLIGHT0 20 2
4)125116
4)11
1714
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2130514
17
222
1229
3387
10
2744
31
820382
42
22
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122100112
4783
1412
512
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00
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OF THE CONDUCTOR MAY BE DEEPER OR TO ONE SIDE OF THE FLIGHT LINE, OR BECAUSE OF A SHALLOW DIP OR OVERBURDEN EFFECTS.
1056-D SHEBANDOWAN
COAXIAL COPLANAR COPLANAR . VERTICAL 900 HZ 900 HZ 7200 HZ . DIKE
HCRIZCNIAL CONDUCTIVE SHEET EARTH
ANGMALY/ REAL CJIAD REAL QUAD REAL QUAD . CCND DEPTH*. CCND DEPTH RESIS DEPTH FID/INTERP PPM PPM PPM PPM PPM PPM .SIEMEN M .SIEMEN M CHM-M M
LINE 40750 C 4545 L D 4563 L
LINE 40760 A 4865 S B 4827 S C 4819 L
LINE 40770 A 4900 S B 4930 S C 4959 L
LINE 40780 A 5156 L B 5107 S
(FLIGHT 4)342032
(FLIGHT 4) 040020021
(FLIGHT 4) 020 020 321
(FLIGHT 4)020020
LINE 40820 (FLIGHT 5)A 630 L O 7 2B 618 L l 2 l
LINE 40821 (FLIGHT 5)A 1010 D l 2 OB 1049 L 3 2 OC 1066 L l 2 O
l 12 10 . O 19 9 .
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LINE 40800 (FLIGHT 5)A 230 L O 3 2 2B 182 S O 8 O 21C 167 S O 4 O 5
LINE 40810 (FLIGHT 5)A 367 L O l O 2B 402 S O 2 O 2
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69 8637 446
8 . l 147 1035
l 165 430l 19 564l 108 1035
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1 82 1842 64 53l 22 239
77 36
,* ESTIMATED DEPTH MAY BE UNRELIABLE BECAUSE THE STRON3ER PART . OF THE CONDUCTOR MAY BE DEEPER OR TO ONE SIDE OF THE FLIGHT , LINE, OR BECAUSE OF A SHALLOW DIP OR OVERBURDEN EFFECTS.
6595
O O
44 O O
3633
O
48
1056-D SHEBANDOWAN
COAXIAL COPLANAR 900 HZ 900 HZ
ANOMALY/ REAL QUAD REAL QUAD FID/INTERP PPM PPM PPM PPM— — — *-—— —
LINE 40840 B 1354 D
LINE 40850 A 1621 DB 1609 DC 1586 SD 1563 Ln.—.u..--.— —
LINE 40860 A 1654 S?B 1693 LC 1726 S
LINE 40870 A 1938 DB 1895 LC 1859 S
LINE 40880 A 1995 DB 1998 D
LINE 40890 A 2283 BB 2277 B?C 2240 LD 2235 LE 2222 L
LINE 40900 A 2324 DB 2330 DC 2363 S
LINE 40910 A 2618 B?B 2616 DC 2610 DD 2555 L
LINE 40920 A 2660 D
(FLIGHT 7 15
(FLIGHT 7 100 20 21 2
(FLIGHT 0 40 20 10
(FLIGHT 3 60 20 11
(FLIGHT 4 111 2
(FLIGHT 1 21 20 20 30 6
(FLIGHT 3 93 80 2
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t *
REAL QUAD . COND DEPTH*. COND DEPTH RESIS DEPTH PPM PPM .SIEMEN M .SIEMEN M OHM-M M
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1056-D SHEBANDOWAN
COAXIAL GOPLANAR OOPLANAR . VERTICAL . HORIZONTAL CONDUCTIVE 900 HZ 900 HZ 7200 HZ . DIKE . SHEET EARTH
* tANOMALY/ REAL QUAD REAL QUAD REAL QUAD . CCND DEPTH*. CCND DEPTH RESIS DEPTH FID/INTERP PPM PPM PPM PPM PPM PPM .SIEMEN M .SIEMEN M OHM-M M
LINE 40920 (FLIGHT 5) !B 2663 DC 2738 SD 2772 S
LINE 40930A 2956 DB 2854 S— — — —— •~— ——
LINE 40940A 3033 LB 3062 SC 3074 S
LINE 40950A 3215 LB 3177 S
LINE 40960A 3512 B?B 3603 S
LINE 40970A 3795 B?
LINE 40980A 3993 B?B 4007 DC 4069 S
LINE 40991A 516 DB 534 DC 551 SD 566 L
LINE 41000A 858 DB 836 DC 819 SD 758 S
LINE 41010A 933 D
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18 i31 .0 .mm 9
4
t
8 .31 .0 .- .
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12 !
211
11
111
11
484786
6835
05937
4070
32530857
653579
1588758674
221866
2200
00
000
130
l 204 1035
l 108 106
l 96 107l 201 1035l 33 689
l 66l 206l 51
91
396
78 57
O
63
53 O 3
305023
44
,* ESTIMATED DEPTH MAY BE UNRELIABLE BECAUSE THE STRCN3ER PART , OF THE CONDUCTCR MAY BE DEEPER OR TO ONE SIDE OF THE FLIGHT , LINE, OR BECAUSE OF A SHALLOW DIP OR OVERBURDEN EFFECTS.
1056-D SHEBANDOWAN
COAXIAL OOPLANAR CX)PLANAR . VERTICAL . HORIZONTAL CONDUCTIVE900 HZ 900 HZ 7200 HZ . DIKE . SHEET EAR3H
ANOMALY/ REAL QUAD REAL QUAD REAL QUAD , COND DEPTH*! COND DEPTH RESIS DEPTHFID/INTERP PPM PPM PPM PPM PPM PPM .SIEMEN M .SIEMEN M CHM-M M
LINE 41010 (FLIGHT 6)B 951 D 8 8 6C 965 S O 2 l
LINE 41020 (FLIGHT 6) A 1265 D 19 21 30B 1263 DC 1260 BD 1250 DE 1248 DF 1234 SG 1180 S
1985500
21219933
29295500
LINE 41030 (FLIGHT 6) A 1354 D 23 21 33
23 17 33 11 17 28 O O
B 1357 DC 1359 DD 1380 SE 1426 S
42
A 1681 DB 1677 DC 1658 L?D 1635 L
15 6 3 O
119
133
A 2241 D 22 B 2240 D 22 C 2231 L? D 2202 L E 2176 S
10 911 2 l
l O
LINE 41040 (FLIGHT 6)20 19 6 l
LINE 41050 (FLIGHT 6)A 1773 D 16 11 28B 1776 D 7 9 28C 1789 L? 8 12 7D 1798 B? O 2 lE 1817 L O 2 7
LINE 41060 (FLIGHT 6)42 42 9 l O
82
LINE 41070 (FLIGHT 6) A 3097 D 14 7 23 12
3319
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27 13427 1346 562 2
7.0 0.5
39 213 14439 213 14439 213 1448 22 188 22 336 13 707 18 93
40 219 160 . 12.640 219 160 . 13.921 186 114 . 9.75 22 49 . 1.0224.-
17 120 50 . 14.715 93 31 . 9.116 110 179 . 1.9l 16 9 . 2.1
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16
35
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26134153000
2547490
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46652mm
114
585920
83 11,* ESTIMATED DEPTH MAY BE UNRELIABLE BECAUSE THE STRONGER PART , OF THE CONDUCTOR MAY BE DEEPER OR TO ONE SIDE OF THE FLIGHT , LINE, OR BECAUSE OF A SHALLOW DIP OR OVERBURDEN EFFECTS.
61
1056-D SHEBANDOWAN
COAXIAL COPLANAR 900 HZ 900 HZ
COPLANAR . VERTICAL . HORIZONTAL CONDUCTIVE 7200 HZ . DIKE . SHEET EARTH
ANOMALY/ REAL QUAD REAL QUAD REAL QUAD . COND DEPTH*. CCKD DEPTH RESIS DEPTH FID/INTERP PPM PPM PPM PPM PPM PPM .SIEMEN H . SIEMEN M CHM-M M
LINE 41070 (FLIGHT 6)B 3099 D 13 7 22 12 89 63 . 24.2 O .C 3104 L? 4 5 3 8 48 75 . 3.4 O .
LINE 41080 (FLIGHT 6)A 3380 D 16 8 23 19 111 72 . 19.7 4 !B 3371 L? 02 12 24.
LINE 41091 (FLIGHT 7)A 601 D 14 6 16B 610 L l 4 lC 645 L l 2 OD 685 S O 2 l
LINE 41100 (FLIGHT 7) A 860 D 13 7 12 16 78 66 . 12.8 13 .
LINE 41110 (FLIGHT 7)A 954 D 7 7 7 13 57B 971 L? O 2 l 4 17
LINE 41120 A 1187 D B 1171 S C 1128 S
(FLIGHT 7) 12 9 12 19 92 02 l 5 14 00012
LINE 41130 (FLIGHT 7)A 1261 D B 1264 D C 1275 S D 1282 S E 1321 S
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1056-D SHEBANDOWAN
COAXIAL COPLANAR COPLANAR . VERTICAL .900 HZ 900 HZ 7200 HZ . DIKE
HORIZONTAL CONDUCTIVE SHEET EARTH
ANOMALY/ REAL QUAD REAL QUAD REAL QUAD . COND DEPTH*. CCND DEPTH RESIS DEPTH FID/INTERF PPM PPM PPM PPM PPM PPM .SIEMEN M .SIEMEN M OHM-M M
LINE 41150C 1574 LD 1616 SE 1644 S
LINE 41160A 1190 DB 1194 DC 1221 L. ————— -
LINE 41170A 1452 DB 1447 B?C 1425 LD 1396 S
LINE 41180A 1543 DB 1548 DC 1554 DD 1576 LE 1603 S
LINE 41190A 1794 DB 1778 DC 1775 B?D 1759 SE 1753 LF 1721 S
(FLIGHT 7)000
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LINE 41200 (FLIGHT 9) A 1861 D l 8 4B 1876 D C 1877 D D 1903 L E 1931 S
LIKE 41210 A 2091 D B 2070 S C 2039 S
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ESTIMATED DEPTH MAY BE UNRELIABLE BECAUSE THE STRONGER PART OF THE CONDUCTOR MAY BE DEEPER OR TO ONE SIDE OF THE FLIGHT LINE, OR BECAUSE OF A SHALLOW DIP OR OVERBURDEN EFFECTS.
1056-D SHEBANDOWAN
COAXIAL OOPLANAR COPLANAR . VERTICAL . HORIZONTAL CONDUCTIVE 900 HZ 900 HZ 7200 HZ . DIKE . SHEET EARTH
ANCMALY/ REAL QUAD REAL QUAD REAL QUAD . COND DEPTH*. OCND DEPTH RESIS DEPTH FID/INrERP PPM PPM PPM PPM PPM PPM .SIEMEN M .SIEMEN M CHM-M M
LINE 41220 A 2189 D
LINE 41230 A 2401 B B 2351 S
LINE 41240 A 2493 D B 2496 D C 2515 L
LINE 41250 A 2724 B B 2723 D C 2695 S D 2674 S E 2662 S
LINE 41260 A 2794 S B 2809 D C 2813 D D 2876 S
LINE 41270 A 2980 B? B 2977 D
(FLIGHT 9)10 11 53 47
(FLIGHT 9)155021
(FLIGHT 4 5 l 2 l l
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10 1410 14
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8 15 l l 4
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252
512
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2
294
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14
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754567
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10 10 14 6
LINE 41290 A 3230 B B 3194 S C 3181 S
LINE 41300 A 3278 S
(FLIGHT 2 6 10 55 75
5.3
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4.8
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51
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ANOMALY/ REAL QUAD REAL QUAD REAL QUAD . COND DEPTH*. COND DEPTH RESIS DEPTH FID/INTERP PPM PPM PPM PPM PPM PPM .SIEMEN M .SIEMEN M OHM-M M
O 29 21
LINE 41300 B 3286 SCDEF
3300330733163343
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52BieSE8039 S . 13873 BURCHELL LAKE 900
Ministry ofNorthern Developmentand Mines
Ontario
DOCUMENT No. W9004' 3f
Report of Work7'. ' ^t . ^^ T j Mining Act (Geophysical, Geological and Geochemical Surveys)
Instructions- Please type or print.- Refer to Section 77, the Mining Act for assessment work requirements
and maximum credits allowed per survey type.- If number of mining claims traversed exceeds space on this form,
attach a list.- Technical Reports and maps in duplicate should be submitted to
Mining Lands Section, Mineral Development and Lands Branch:Type of Survey(s) ; 1
Airborne EM/MAG/VLF ;Mining DivisionThunder Bay
Township or Area X^Burchill Lake (y706
Recorded Holder(s) .Noranda Exploration Company, Limited
AddressP.O. Box 2656, ThundeW'Bay, Ontario : P7*B 5G2
Survey CompanyDigem .
Name and Address of Author (of Gee-TechnicalJohn Gingerich, P.O. Box
Credits Requested per
,. -,. ,. .. .'- .lu. . ,. ...,. . ..
Report)2656, Thunder Bay, Ontario
Each Claim in Columns at rightSpecial Provisions
For first survey:
Enter 40 days. (This Includes line cutting)
For each additional survey: using the same grid:
Enter 20 days (for each)
Man Days
Complete reverse side and enter total(s) here
Airborne Credits
Note: Special provisions credits do not apply to Airborne Surveys.
Total miles
Geophysical
- Electromagnetic
- Magnetometer
- Other
Geological
Geochemical
Geophysics
- Electron
- Magnet
- Other
Geological
1 .
nagnetic
jmeter \
al
Electromagnetic EM
Magnetometer
Other YLp
flown over claim(s).Date
•Certification
Days per Claim
Days per Claim
Days per Claim
23
23
23
Recorded Holder or Agent (Signature) j^r S *7 ''7a-*txjcc^ o^* - v^xlA^at^-ex
P7B 5G2Mining Claims Traversed List in
Mining ClaimPrefix
TB
Number
1068770J 0687711068772
wri*:'.
l vr.01%
-(
Prospector's Licence No.A 34387
Telephone No. 807-623-4339
Date of Survey (fror
"Day | Hrfo. | S?
n t to)
numerical sequence)Mining Claim
Prefix Number
OlCAL lURVIY NT PlUPft
^^^^^^y r^W^^T^^^
f. t- i : c
-""-
V fe D ——
Verifying 'Report of Work f?
frKera\ b W
MINING 1
Mining ClaimPrefix Number
i
nivFDEl V tu
12 1MOT
ANDS
Total number of mining claims covered by this report of work
SECTION
3
1 hereby certify that 1 have a personal and intimate knowledge of the facts set forth in this Report of Work, having performed the work or witnessed same during and/or after its completion and annexed report is true.Name and Address of Person Certifying
Ronna F.
For Office Use Only
Total Days Cr. Recorded
o?^7
Date Hecorded
o
JDate Approved as Recorded
4**' S S*/ 7*
^t*a~**~'*'
UT A W** r i : '
Ter ale*.'* r" \ LTTV^- ';\ .'OO/^iD
.2-0— **x
23r.4J39- 'f
APR 1 e 1990
Provincial
3v^T*otX— J — -Manager,
flfit
l&i^ ' ;)
vlinmg Lands- . T;,..'S
2656, ThunderDate January 30,
Bay, Ontario P7B 5G2 "
1990 cCerljfled By (Signature)
Received Stamp ir. ' i g/
3 filTft E fp;'Uvk .
Ministry ofNorthern Developmentand Mines
Instructions- Please type or print.- Refer to Section 77, the Mining Act tor assessment work requirements
Ontario ^ L Mmt/t/f*- J\^ArffA \ Afflfin4.* jf3 \ and maximum credits allowed per survey type, ^^fc ///l*ff* f** 1 "51 W"Uy" *^ — - If number of mining claims traversed exceeds space on this form,W Report of Work u —— ~" a llach a lisl.... . . -. ..^... .^ . , . ^ . - Technical Reports and maps in duplicate should be submitted to Mining Act (Geophysical, Geological and Geochemical Surveys) Mjning Lands Section, Mineral Development and Lands Branch:
Type of Survey(s)
Airborne EM/MAG/VLFRecorded Holder(s) rt 1 *k
Todd Sanders A* ' *0 1Address
P.O. Box 2656, Thunder Bay, Ontario P7B 5G2Survey Company
Digem
Mining Division
Thunder Bay
r3
Name and Address of Author (of Geo-Technical Report)
John Gingerich, P.O. Box 2656, Thunder Bay, Ontario P7B 5G2
Township or Area —
Burchell Lake CG"76t^Prospector's Licence No.
E 29574Telephone No.
807-623-4339
Date of Survey (from A to)o rt f\ \ Q Q f\Q f\ O fi OJaAy |UfJio. f oy,. UiJy |U*Ao \ oy,.
Credits Requested per Each Claim in Columns at right Mining Claims Traversed (List in numerical sequence)| Special Provisions
For first survey:
Enter 40 days. (This includes line cutting)
For each additional survey: using the same grid:
i Enter 20 days (for each)
Man Days
Complete reverse side and enter total(s) here
j
Airborne Credits
Note: Special provisions credits do not
i apply to Airborne Surveys.
Geophysical
- Electromagnetic
- Magnetometer
- Other
Geological
Geochemical
Geophysical
- Electromagnetic
- Magnetometer
- Other
Geological
Geochemical
Electromagnetic rnr
Magnetometer
Other VLF
Days perClaim
Days per Claim
Days per Claim
Z3^
23Total miles flown over claim(s).Date Recorded Holder or Agent (Signature)January 30, ^^^^^/^^^
Certification Verifying Report of Work
Mining ClaimPrefix
TB
If a .Fi9iJE
(M
Number
990466990467990468990469990470990471990472 -if990473 *990396990397990398990399*990400990401-*-990402^990403**"
990404*
Mining ClaimPrefix
TB
Number
990405*990406**
990407 *990408**-
__ Blr7 C
MINING
Mining ClaimPrefix Number
"
13 12
LANDi
Total number of mining claims covered by this report of work.
1990
"SECTION"
21
l hereby certify that l have a personal and intimate ki after its completion and annexed report is true.Name and Address of Person Certifying
ie of the (acts set forth in this Report of Worwjiaving performed the work or witnessed same during and/or
Ronna F. Tergie, P.O. Box 2656, Thunder Bay, Ontario ?7B 5G2Telephone No.807-623-4339
DateJanuary 30,1990J
Certified By (Signature)
sXsvo?.or Office Use Only
Received Stamp
x /s./f. Recorded
/t*12*^9/06^
uaie Hecorded
Date Approved a s Recorded
Mining fNf - 30
Provincial Manager. Mil
s
ntario
Ministry ofNorthern DevelopmentandMines 2.130T3
Geophysical-Geologlcal-Geochemical Technical Data Statement
File.
TO BE ATTACHED AS AN APPENDIX TO TECHNICAL REPORTFACTS SHOWN HERE NEED NOT BE REPEATED IN REPORT
TECHNICAL REPORT MUST CONTAIN INTERPRETATION, CONCLUSIONS ETC.
Type of Survey(s) Airborne EM. MAG, VLF
Township or Area Burchell Lake Area
Claim Holder(s) Noranda Exploration Company, Limited
Survey Company Digem-————-————————————-Author of Report John Gi-rigerich____^_________
Address of Anthnr p- 0 * Box 2656, Thunder Bay, Ontario
Covering Dates of Survey__30/11/89 - 09/02/89
Total Miles of Line Cut.————(linecutting to office)
SPECIAL PROVISIONS CREDITS REQUESTED
ENTER 40 days (includes line cutting) for first survey.
ENTER 20 days for each additional survey using same grid.
Geophysical Electromagnetic.
—Magnetometer——Radiometric——
Other—————
DAYS per claim
Geological.
Geochemical.AIRBORNE CREDITS (Special provision credits do not apply to airborne surveys)
. Radiometric 23VLF-EM
Magnetometer 23 F.Wtrnmagnptir 23(enter days per claim)
DATE:.
Res. Geol..
Previous Surveys File No. Type
Qualifications p}, l l fit 4 3
Date Claim Holder
MINING CLAIMS TRAVERSED List numerically
TB.1068770 '"'''''""'(prefix)'
1068771
,J.B :.1123409 ttigi(number)
1123410
1068772
990466
1123411
99046f7
990468
990408
....9.9047.0.............
.....9904.71.............
....82QA73.............
....9.9.Q39..6..............
....9.9.Q39.2.,,.,,.,
....980398.............
....990399.............
....9.9.Q4QQ.............990401
990402
990403
990404
990405
990406
TOTAL CLAIMS. 27
837 (85/12)
GEOPHYSICAL TECHNICAL DATA
GROUND SURVEYS — If more than one survey, specify data for each type of survey
Number of Stations ___________________________Number of Readings —
Station interval -——-——^————————————..^———..^—.Line spacing^——^—
Profile scale___________________________________________.Contour interval ^.
. Accuracy — Scale constant.
o
N2 H>l—lH
Instrument.
Diurnal correction method —^——-—
Base Station check-in interval (hours). Base Station location and value -——.
Instrument,OCoil configuration
O Coil separation *JjAccuracy.Method: d Fixed transmitter d Shoot back d In line d Parallel line
Frequency______________________________________________________________ n ( specify V.L.F. station)Parameters measured.____________________________________________________
Instrument
Scale constant
Corrections made.
Base station value and location
Elevation accuracy.
Instrument ——————————————————————————————————————————— Method D Time Domain D Frequency Domain
Parameters - On time __________________________ Frequency —————
— Off time ___________________________ Range.— Delay time ^-^^-—-——-.—^-————~———————.— Integration time ——^-———-——.———-^^———^-^.—
Power.QU.' Electrode array.
Electrode spacing .
Type of electrode
SELF POTENTIALInstrument.________________________________________ Range.Survey Method ———————————————————————————————————————————
Corrections made.
RADIOMETRICInstrument.Values measured.
Energy windows (levels)_________,.—————————.—.^———.—.^——-———-—.—.
Height of instrument____________________________Background Count. Size of detector——————.^-——-——-—————-————-—————.—.-——.....——.Overburden -,—-.—-^^—--—-^—————-..-.————--.———.———————.—.-—.—
(type, depth — include outcrop map)
OTHERS (SEISMIC, DRILL WELL LOGGING ETC.)Type of survey————————————^—^^—————Instrument _______________^^—____—_Accuracy-——————-———-———^———————————
Parameters measured.
Additional information (for understanding results).
AIRBORNE SURVEYSType of siirvpy^) Helicopter EM. Magnetometer. VLF-EMInstrument(s) Dughen 111. Picodas Cesina totem - 2A
(specify for each type of survey)0.2 ppm @ 900 Hz - 0.4 ppm @ 7200 Hz - .Int. 0.1 respectively Accuracy ____ li ————-——-..——-———-—————————-—-—-———-——.
(specify for each type of survey). . r , Helicopter AerospatioleAircratt used ______ : .-——-.—-.--..—--————.---——..—^-——-.-..-—-.^—^^.—--—^^—Sensor altitude. H™ 30m, Magnetometer 35m, VLF 40m
Navigation and flight path recovery method VHF Del Norte 547 electronic navigation transpmeder x, y, z on digital RMS DASB system and panosonic video recovery
,. ,( . t . , 60m T- c - 200m Aircraft altitude ________________________________ Line Spacing.Miles flown over total area_____785 km______________Over claims nnly 2' 6 and 1 8 ' 5
GEOCHEMICAL SURVEY - PROCEDURE RECORD
Numbers of claims from which samples taken.
Total Number of Samples. Type of Sample.
(Nature of Material)
Average Sample Weight——————— Method of Collection————————
Soil Horizon Sampled. Horizon Development. Sample Depth———— Terrain—————^—
Drainage Development———————————— Estimated Range of Overburden Thickness.
ANALYTICAL METHODSValues expressed in: per cent D
p. p.m. CDp.p. b. D
Cu, Pb,
Others—
Zn, Ni, Co, Ag, Mo, As.-(circle)
Field Analysis (.Extraction Method. Analytical Method- Reagents Used ——
Field Laboratory AnalysisNo. -———————.
SAMPLE PREPARATION(Includes drying, screening, crushing, ashing)
Mesh size of fraction used for analysis ——^—.
Extraction Method. Analytical Method. Reagents Used——
Commercial Laboratory (- Name of Laboratory.— Extraction Method—— Analytical Method —— Reagents Used ————-.
.tests)
.tests)
-tests)
GeneraL General.
Noranda Exploration Company, Limited(no personal liability)
P.O. Box 2656, 960 Alloy Drive Thunder Bay, Ontario P7B 5G2
noranda Telephone (807) 623-4339
February 5, 1 9 90 R ECEIVED
Mining Lands Section3rd Floor FEB 07 1990880 Bay StreetToronto^ Ontario M|N|NG
Dear Sir:
Enclosed please find maps and reports (in duplicate) for mining claims TB.990396 et al in the area of Burchell Lake for airborneEM, MAG and VLF.
Also, enclosed technical data sheet.
Yours truly,
NORANDA EXPLORATION COMPANY, LIMITED (no personal liability)
Ronna F. Tergie Claims Co-ordinator Northwestern Ontario Division
/rftencl. maps S reports (2)
technical data sheet
c.c. file 2279
Noranda Exploration Company, Limited(no personal liability)
P.O. Box 2656, 960 Alloy Drive Thunder Bay, Ontario P7B 5G2
noranda Telephone (807) 623-4339
May 7, 1990
Mining Lands Section 3rd Floor 880 Bay Street Toronto, Ontario MSS 1Z8
Attention: Larry Stoliker MINING IANDS SECTIOH
RE: Burchell Township - File # 2279
Please find enclosed two (2) reports for Helicopter EM work carried out in the Burchell Township area. These reports are replacements for work previously filed in which incorrect texts were inadvertently submitted.
I apologize for any inconvenience this oversight may have caused. If there are futher questions regarding this matter please contact John Gingerich at your convenience.
Yours truly,
NORANDA EXPLORATION COMPANY, LIMITED (no personal liability)
Ronna F. TergieLandspersonNorthwestern Ontario Division
JG/rft
c.c. file 2279
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