steven w. schmauch u.s. bureau of mines - usgsa chip sample from across the phyllite- dolomite...

32
DEPARTMENT OF THE INTERIOR TO ACCOMPANY MAP MF-1492-D U.S. GEOLOGICAL SURVEY MINES AND PROSPECTS OF THE ANDREWS MOUNTAIN, MAZOURKA, AND PAIUTE ROADLESS AREAS, INYO COUNTY, CALIFORNIA By Steven W. Schmauch U.S. Bureau of Mines Pamphlet includes table 2 only, table 1 and text on map sheet.

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Page 1: Steven W. Schmauch U.S. Bureau of Mines - USGSA chip sample from across the phyllite- dolomite contact contained no significant values. The quartz assayed 0.1 oz gold per ton and 0.3

DEPARTMENT OF THE INTERIOR TO ACCOMPANY MAP MF-1492-D U.S. GEOLOGICAL SURVEY

MINES AND PROSPECTS OF THE ANDREWS MOUNTAIN, MAZOURKA, AND PAIUTE ROADLESS AREAS, INYO COUNTY, CALIFORNIA

By

Steven W. SchmauchU.S. Bureau of Mines

Pamphlet includes table 2 only, table 1 and text on map sheet.

Page 2: Steven W. Schmauch U.S. Bureau of Mines - USGSA chip sample from across the phyllite- dolomite contact contained no significant values. The quartz assayed 0.1 oz gold per ton and 0.3

Tab

le

2.

Su

mm

ary

of

min

es

and

pro

spe

cts

in

the

A

ndre

ws

Mo

un

tain

, M

azou

rka,

an

d P

aiu

te

Roa

dles

s A

reas

[Underlin

ed

nam

es re

fer

to pro

pert

ies fu

rth

er

desc

ribed in

th

e

Min

era

l R

esou

rce

Pote

ntial

map

, M

F-1

492-

B]

Map

N

o.Na

meSu

mm

ary

Wor

king

s an

d p

rod

uct

ion

Res

ourc

e/sa

mpl

e d

ata

Big

P

ine

Cop

per

No.

1

Boa

z

Kaw

eah

Al i

ce

Al i

ce

Ext

en

sio

n

6 Unknown

I/

(35, 9, 3T

)

Three

smal

l areas

with

coppe

r mi

nera

ls a

re e

xpos

ed

in a

granodiorite-hornfels c

onta

ct.

Mala

chit

e and

chry

soco

lla

are

disseminated

and s

tain

the f

ractures

in b

oth

rock t

ypes

.

Two

bands

of v

uggy

friable

limo

nite

, wh

ich

are

2 ft t

hick,

are

concordant w

ith

arenaceous l

imes

tone

th

at s

trikes N

. 20°

E. an

d dips 2

5° N

W.

The

limo

nite

-bea

ring

zones a

re s

epar

ated

by

a 0.6-ft-

thick

limestone

bed.

Cren

ulat

ed b

roke

n sl

ate

trends N

. 40°

W. and

dips fr

om 5

0° N

E. to

65°

SW.

The

dump

s contained

less

tha

n 5 pe

rcen

t qu

artz

. Qu

artz

is

vuggy,

iron-stained,

and

has

oxidiz

ed c

ubic m

asse

s of

gale

na.

No q

uart

z was

foun

d in

place.

Prospect i

n fissile

gray-bla

ck s

late.

Over

burd

en

cove

rs a

ny e

vidence

of q

uartz

outcrops.

Country

rock is

green c

alca

reou

s sl

ate

that

strikes

N. 57°

E. an

d di

ps 7

7° S

E.

An e

ast-

trending s

hear z

one

3 ft t

hick is

par

tly

filled

with

ban

ded

quartz-calcite

vei

ns a

nd i

s ex

pose

d for

15 f

t.

A fe

w pi

eces

of

quartz c

ontaining

lead

oxide

are

present

on the

dump o

f the

pit.

Nort

hwes

t-tr

endi

ng c

onglom

erat

e, sandstone, and

limestone

cont

acts

are

loc

ally s

heared.

Kaol

init

e an

d se

cond

ary

calcite

are

abun

dant

within

the

sheared

areas.

A 17

-ft-

deep

shaft a

nd a

bout

150

ft

of b

ulldozer c

uts.

A small

pit

and

a 15

-ft-

long

trench l

eads

to

a 19

-ft-

long

adit.

Two

shal

low

4-ft

-wid

e by 15-ft-

long p

its.

One

pit

17 f

t by 3

ft b

y 5

ft d

eep

trends N

. 35°

E.

One

pit, one

tren

ch,

and

an

adit 8

ft

long w

ith

a 5-

ft-

long u

nder

hand

stope.

A sh

allo

w pit

and

a 34-ft-

deep c

ross

cut

shaf

t in

clin

ed

45°

W.

Four r

andom

chip

or

grab s

ampl

es w

ere

take

n fr

om l

ocat

ions

wit

h vi

sibl

e copper m

iner

als.

A

select s

ampl

e of

app

aren

tly

the

high

est

grade

mate

rial

fr

om t

he sh

aft

had

4.63

perc

ent

copp

er.

The

othe

r three

samples

cont

aine

d 0.

38,

1.55

, an

d 2.

4 pe

rcen

t copper.

All

samp

les

also h

ad t

races

of g

old

and

silv

er.

Four s

ampl

es f

rom

the

limo

nite

bod

ies

had

as m

uch

as 0

.2 o

z gold p

er t

on,

0.2

oz s

ilver

per

ton, an

d 0.03 p

erce

nt

copper.

Two

select s

amples o

f mineralized

quar

tz

from

two

dumps c

onta

ined

0.0

1 an

d 0.

03

oz g

old

per

ton,

3.

8 an

d 8.

0 oz

silver

per

ton, 5.

2 an

d 11

.1 p

ercent l

ead.

A se

lect

sample

of q

uart

z in dump h

ad

2.6

oz si

lver

per

ton

, 4.

3 percent

lead,

and

a trace

of g

old.

A ch

ip s

ample

from

the

adi

t fr

om a

cros

s th

e sh

ear

zone h

ad a

trace o

f gold a

nd

0.6

oz s

ilve

r pe

r ton; a

grab s

ample

of

quar

tz f

rom

the

dump

as

saye

d a

trace

of

gold a

nd 0

.2 o

z si

lver

per

ton.

A se

lect

sam

ple

of m

iner

aliz

ed q

uartz

floa

t fr

om t

he p

it c

onta

ined

0.03

oz

gold

per

ton,

2.6

oz silver p

er t

on,

and

4.3

perc

ent

lead

.

Thre

e ch

ip samples

from

conglomerate

and

from

a s

hear

ed c

onglomerate-

sand

ston

e co

ntac

t at

the

sh

aft;

ea

ch

assa

yed

a tr

ace

of gold a

nd c

oppe

r, on

e ha

d 0.17 p

ercent l

ead.

Tw

o grab s

amples

from t

he p

it d

ump

cont

aine

d tr

aces

of

gold

, co

pper

, an

d le

ad.

Page 3: Steven W. Schmauch U.S. Bureau of Mines - USGSA chip sample from across the phyllite- dolomite contact contained no significant values. The quartz assayed 0.1 oz gold per ton and 0.3

Table

2. Summary o

f mi

nes

and

prospects

in t

he A

ndrews M

ountain, Ma

zour

ka,

and

Paiute R

oadl

ess

Areas Continued

Map No

.___

_Nam

eSu

mmar

yWo

rkin

gs a

nd

production

Resource/sample

data

10 11 12

Cabin

Bob

Whit

e

Mule

Springs

No.

1

Lucky

Bee

JR N

o. 2

Interbedded

shale

and

lime

ston

e co

ntai

ns several

subparallel

bedd

ing-

plan

e quartz v

eins

tha

t are

a fe

w in

ches

thi

ck,

with

pods

as m

uch

as 4

ft

thick,

whic

h ar

e tr

acea

ble

for

abou

t 20 f

t.

Most o

f the

quar

tz is

mas

sive

; brecciated a

reas a

re filled w

ith

sili

ceou

s limonite a

nd f

ine-grained

gale

na.

High

ly f

ract

ured

quart

z co

ntai

ns m

inor

pyrite

and

bornite

in s

hale c

ount

ry ro

ck.

Oliv

e-gr

een,

mi

cace

ous

phyl

lite

and i

nterbedded

dolomite s

trik

e N. 19°

W. and

dip

36°

SW.

Fria

ble,

brecciated q

uart

z float

is in

the d

ump

and

surr

ound

ing

area

.

Crys

tall

ine

limestone

has

been in

tens

ely

frac

ture

d an

d locally

meta

morp

hose

d.

A brecciated z

one

is p

rese

nt b

etween t

he l

imestone a

nd a

san

dy

shal

e un

it.

A 5-

ft-t

hick

, 25

-ft-

long

lens

of b

ull

quar

tz i

s co

ncor

dant

with

inte

rbedded

shal

e and

sandstone.

A no

rth-

to

sout

h-tr

endi

ng p

od o

f qu

artz

, as

much

as 1

.0 f

t thick

and

less t

han

6 ft l

ong,

is

present

in m

assi

ve l

ight-brown

lim

esto

ne.

There

are

three

adits, a

22-ft-

deep shaft, and

a small

pit.

The

lowest a

dit

has

216

ft o

f work

ings

and

appe

ars

to h

ave

been driven

to i

nter

sect

the q

uartz

veins

foun

d in

the

uppe

r wo

rkin

gs.

One

pit.

One

pit.

A glo

ry

hole

10

0 ft w

ide,

170

ft lo

ng,

and

150

ft

deep

. An

un

know

n am

ount

was

us

ed

as

railr

oad balla

st

for

the

S

outh

ern

Pa

cific

R

ailr

oa

d

beds

in

th

is

are

a.

A 28-f

t-lo

ng a

dit.

One

pit.

Stru

ctur

es w

ere

not

cont

inuo

us e

nough

to

permit t

onna

ge a

nd g

rade e

stim

ates

. Si

x chip samples

acro

ss q

uart

z co

ntai

ned

a tr

ace

to 0

.8 o

z silver p

er t

on a

nd 0

.03

to 1.

95 p

erce

nt l

ead.

A

rand

om c

hip

samp

le f

rom

a 2-

in.-

thic

k ga

lena

-bea

ring

qu

artz

vein

assa

yed

2.9

oz s

ilve

r pe

r to

n an

d 4.

05 p

ercent l

ead.

About

25

tons o

f st

ockp

iled

quartz

at t

his

prospect a

vera

ge 2

.3 o

z si

lver

per

ton

an

d 2.

6 pe

rcen

t le

ad.

The

quartz v

eins

at t

his

prop

erty

con

tain

small is

olat

ed

concentrations o

f lead a

nd s

ilve

r.

Spec

imen

s of

quartz

cont

aine

d a

trac

e of

go

ld,

silv

er,

and

copper.

A ch

ip sa

mple

fro

m ac

ross

the

phy

llit

e-

dolo

mite

contact c

onta

ined

no

significant

values.

The

quartz a

ssayed

0.1

oz g

old

per

ton

and

0.3

oz s

ilver

per

ton.

Nine

random

chip

and

grab

samples

in

and

near t

he glory

hole s

howe

d a ca

lciu

m ox

ide

content

rang

ing

from

24.

9 to

36.7 p

ercent,

whic

h is t

oo l

ow f

or

cement m

anufacturing o

r fo

r fe

rtilizer

mark

ets.

Four

chi

p sa

mple

s ta

ken

at r

egular

inte

rval

s fr

om t

he q

uart

z; th

ree

assa

yed

as m

uch

as a

trace

of g

old

and

0.2

oz

silver p

er t

on.

A select s

ampl

e of q

uart

z co

ntai

ned

no

sign

ific

ant

valu

es.

Page 4: Steven W. Schmauch U.S. Bureau of Mines - USGSA chip sample from across the phyllite- dolomite contact contained no significant values. The quartz assayed 0.1 oz gold per ton and 0.3

Tab

le

2.--

Sum

mar

y of

min

es

and

pro

spect

s in

th

e

And

rew

s M

ou

nta

in,

Maz

ourk

a,

and

Paiu

te

Roa

dles

s A

rea

s C

on

tinu

ed

Map

N

o.Na

me

Sum

mar

yW

orki

ngs

and

pro

du

ctio

nR

esou

rce/

sam

ple

da

ta

13

Blis

ter

Lode

A

30-f

t-w

ide,

120-f

t-lo

ng

area

of

dolo

mite

is

cu

t by

nort

h-t

rendin

g,

east-

an

d w

est

-dip

pin

g fa

ults,

faults.

Mos

t ar

e sh

ort

, irre

gula

r,

and

dis

con

tinu

ou

s;

the

lo

ngest

on

e w

as

1 to

4

in.

thic

k

and

30 ft lo

ng

. Th

e zo

nes

are

com

pose

d of

goug

e,

limo

nite

, sili

ceous

dolo

mite

, sid

erite

, an

d quart

z ve

ins

or

pods

. R

ando

mly

d

istr

ibu

ted

cu

bic

m

asse

s of

gale

na

are

so

met

imes

co

nce

ntr

ate

d

into

st

rea

ks o

r le

nse

s in

th

e fa

ult

zone

s.

The

larg

est

len

s is

0

.3 ft th

ick

and

1.5

ft

lon

g.

14

Unk

now

n I/

An

80-f

t-lo

ng,

3-f

t-th

ick

qu

art

z ve

in str

ike

s

N.

35°

(7,

10,

75

) E.

an

d d

ips

35°

to

60°

SE.

The

vein

is

co

nco

rdant

with

in

terb

ed

de

d p

hyllite

an

d dolo

mite

.

15

Mon

tezu

ma

min

e N

ort

heast

- to

nort

hw

est

-tre

ndin

g fa

ults

have

dis

pla

ced,

tilted,

and

loca

lly

ove

rturn

ed

limest

one,

arg

illite

, an

d d

olo

mite

str

ata

. F

aults,

lan

dslid

es,

bu

lldo

zer

trench

es,

an

d th

e w

est

erly

dip

of

the

str

ata

, w

hich

is

co

incid

en

t w

ith

slo

pe

angle

s, all

obsc

ure

geolo

gic

d

eta

il/

Irre

gu

lar

repl

acem

ent

bodie

s of

lea

d-z

inc-s

ilve

r o

re w

ere

foun

d in

th

e

Mon

o!a

For

mat

ion

limest

one.

Bec

ause

se

dim

ents

ar

e o

vert

urn

ed

, su

lfid

e

bodi

es

wer

e posi

tioned

abov

e pre

viousl

y o

xid

ize

d ca

rbo

na

te

bodie

s.

Sulfi

de

bodi

es

wer

e re

po

rte

d

by

Tuc

ker

(192

1,

p.

29)

to

be

30 ft w

ide

and

50 ft

lon

g.

Oxi

diz

ed

carb

on

ate

bo

dies

w

ere

200

ft

long

and

200

ft w

ide.

Thi

ckne

sse'

s as

re

po

rte

d

by

Cra

wfo

rd

(189

6,

p.

32,

33)

rang

e fr

om 7

to

12

ft

.

The

su

lfid

e

ore

body

co

nsi

sted of

finely

d

isse

min

ate

d

ga

len

a,

sphale

rite

, p

yrite

, an

d te

trahedrite

. L

arg

er

inte

rgro

wn

cry

sta

ls of

sp

hale

rite

an

d ga

lena

als

o

are

pre

sent.

In

additio

n

to

the

ab

ove,

th

e

carb

on

ate

bo

dy

con

tain

ed

vu

ggy,

cr

ust

y fo

rms

of

ce

rru

site

, sm

ithso

nite

, an

d a

zu

rite

. M

uch

of

the

ga

lena

w

as

arg

en

tife

rou

s

(see

K

nopf,

1914

, p.

11

0;

Ea

kle

, 19

23,

p.

13

8).

16

Mon

tezu

ma

Sou

th

Inte

nse

ly

fra

ctu

red

, in

terb

ed

de

d

lime

sto

ne

an

d gr

een

to

purp

le

sha

le is

part

ly

reheale

d w

ith

ve

inle

ts of

quart

z, calc

ite,

and

limonite.

Mala

chite

is

a

sso

cia

ted

with

th

e q

ua

rtz.

Thr

ee of

the

fo

ur

short

adits

form

a

series

of

inte

rconnect

ed,

15

°-in

clin

ed

st

opes

an

d drifts

tota

llin

g

260

ft of

deve

lopm

ent.

One

sm

all

pit.

Two

uppe

r adits, an in

term

edia

te,

and

a lo

wer

adit a

re a

ll caved.

They w

ere

reported t

o be 2

00,

400,

400, and

1,400

ft l

ong.

A 35-ft-

long a

dit

near t

he m

i 11 site

was

used f

or s

toring e

xplosives.

Switchback a

ccess

road

s and

a series o

f bu

lldo

zer

trenches a

nd

open c

uts

are

the

most

recent

development.

Prod

ucti

on w

as

inte

rmit

tent

fro

m 1893 t

o 19

68,

and

at l

east

1,023.7 o

z go

ld,

4,964

oz silver,

52,2

44 I

b le

ad,

38,872 I

b zi

nc,

and

47 I

b of

copp

er w

ere

prod

uced

(U.S.

Bure

au

of M

ines

pro

duct

ion

file

s).

Thre

e pits a

nd t

wo a

dits

tot

alli

ng

47 f

t.

Fifteen

chip

, on

e se

lect

, an

d on

e grab

sample w

ere

taken

from

quartz

vein

s an

d shear

zones.

Two

galena l

ense

s co

ntai

ned

55.3 t

o 65

.9 o

z si

lver

per

ton

an

d 13.0 t

o 20.6 p

erce

nt l

ead.

Th

irte

en

of th

e sa

mple

s ha

d 1.

2 oz

silver p

er

ton

or l

ess.

Thre

e chip samples

assa

yed

as m

uch

as a

trace

gold

.

A grab a

nd a

select

samp

le o

f ore,

pres

umab

ly f

rom

the

replacement

bodi

es,

had

7.2

and

8.2

oz s

ilve

r pe

r to

n, 5.

0 an

d 8.

8 pe

rcen

t le

ad,

5.0

and

6.3

percent

zinc

, an

d 0.

15 a

nd 0

.11

percent

copp

er.

Eight

samp

les

from

cou

ntry

rock

cont

aine

d no s

ignificant v

alue

s.

A se

lect

sample

from

a 1

-ton st

ockp

ile

of f

ract

ured

lim

esto

ne a

nd m

alac

hite

ha

d 0.

9 oz

silver

per

ton

and

15

perc

ent

copp

er.

Page 5: Steven W. Schmauch U.S. Bureau of Mines - USGSA chip sample from across the phyllite- dolomite contact contained no significant values. The quartz assayed 0.1 oz gold per ton and 0.3

Tab

le

2. S

um

mary

of

min

es

and

pro

spect

s in

th

e

And

rew

s M

ou

nta

in,

Maz

ourk

a,

and

Paiu

te

Roa

dles

s A

rea

s C

on

tinu

ed

Map

N

o.Na

meSu

mm

ary

Wor

king

s an

d pro

duct

ion

Res

ourc

e/sa

mpl

e d

ata

17

Alic

e

Quart

z S

hort

, irre

gula

r n

ort

hw

est

-tre

nd

ing

sh

ear

zone

s m

in

e1

to

2

ft th

ick

are

com

pose

d of

altere

d

dolo

mite

, go

uge,

sili

ceous

dolo

mite

, an

d dis

sem

inate

d

pyrite

. S

tru

ctu

re lim

its

wer

e n

ot

tra

cea

ble

be

yond

th

e w

ork

ing

s.

18

Bla

ke

min

e 2J

A

ltere

d

lime

sto

ne

pe

rmea

ted

with

lim

on

ite

, go

uge,

(J

R N

o.T

T

sili

ceous lim

onite,

and

sid

erite

fo

rms

gra

dational,

indis

tinct

boundaries

with

in lo

ca

lly

ove

rturn

ed

limest

one str

ata

. Th

e ar

ea of

inte

nse

a

lte

ratio

n

is

abou

t 60

ft w

ide

and

200

ft lo

ng

in

ro

cks

tha

t tr

end

no

rth

we

st

and

dip

40

to

50

° N

E.

Gal

ena

is

pre

sent

in

rand

om c

ubic

m

asse

s an

d as

m

atr

ix

fillin

gs of

bre

ccia

ted

, sili

ceous

goss

an

zone

s as

m

uch

as

1.0

ft th

ick

and

12 ft

lon

g.

19

Luck

y Ji

m

Dark

-gra

y iro

n-s

tain

ed

sla

te is

cu

t by

a

0.5

-ft-

th

ick,

55-f

t-lo

ng

shea

r zo

ne th

at

str

ikes east

, d

ips

70°

to

88°

N.

Dis

contin

uous

ve

inle

ts

of

bre

ccia

ted

q

ua

rtz

in

the

sh

ear

zone

co

nta

in

ble

bs

and

thin

str

ingers

of

gale

na

and

sp

ha

lerite

.

20

Pla

in

Vie

w

Lim

onite

an

d sid

erite

alo

ng fr

actu

res,

and

a sm

all

shea

r zo

ne th

at

conta

ins

limo

nite

an

d pyrite

ar

e in

gr

ay

lime

sto

ne

an

d b

uff

dolo

mite

.

21

Eas

t S

ylve

ster

No str

uctu

re

was

o

bse

rve

d.

Dum

p m

ate

rial

was

iro

n-

and

cop

pe

r-st

ain

ed

go

ssan

an

d lim

est

one.

Fiv

e a

dits,

two

of

whi

ch

inte

rsecte

d

shea

r zo

nes,

ra

nged

be

twee

n 10

and

50

ft lo

ng

. M

r.

A.

Love

tt

prod

uced

3

9.3

oz

gold

fr

om 2

0 to

ns

in

1907

(U

.S.

Bur

eau

of

Min

es

pro

duct

ion file

s).

Six

adits to

tallin

g m

ore

than

50

0 ft of

exc

ava

tion

, on

e ca

ved

adit,

and

thre

e pits.

In

1919

, th

e p

rop

ert

y yie

lde

d

525

oz

silver

and

22,6

60 Ib

of

lead

from

37

tons

(U.S

. B

urea

u of

Min

es

pro

duct

ion file

s).

A 3

0-f

t-lo

ng

tr

ench

with

a

15

-ft-

de

ep

shaft

and

25

-ft-

lo

ng adit.

Two

pits.

Thre

e small

pits.

The

shear

zones

were

too

sho

rt a

nd

irre

gula

r to

sample

well

enough t

o de

term

ine

resources.

One

of 1

3 ch

ip

samples

assa

yed

0.33

oz

gold p

er t

on;

the

others c

onta

ined

a t

race o

f go

ld.

Thre

e grab o

r select s

ampl

es o

f si

lice

ous

dolo

mite

had

0.1

9, 0.

41,

and

0.99 o

z gold p

er t

on.

The

larg

est

mineralized

area,

40 f

t long a

nd 2

.3 f

t wide,

comb

ined

wi

th t

wo smaller

area

s ha

s a

total

of 6

00 t

ons

of i

ndic

ated

and

inf

erre

d su

beco

nomi

c re

sour

ces

with

a w

eigh

ted

aver

age

of 1

.49

oz si

lver

per

ton

and

4.87 p

erce

nt l

ead.

Thre

e ch

ip s

amples f

rom

the

shea

r zo

ne

and

quartz h

ad a

s much a

s 0.

04 o

z gold

per

ton, 3.

0 oz

silver p

er t

on,

0.23

pe

rcen

t co

pper

, an

d 7.

0 pe

rcen

t le

ad.

A select s

ampl

e of m

ineralized q

uart

z co

ntai

ned

1.6

oz s

ilver

per

ton,

3.

3 pe

rcen

t le

ad,

and

3.1

percent

zinc

.

Two

select s

amples a

ssay

ed t

race gold

and

0.2

oz silver p

er t

on.

Three

random g

rab

samples

from

the

dum

p co

ntai

ned

a trace

of g

old

and

an

aver

age

of 0

.21

perc

ent

copp

er.

Page 6: Steven W. Schmauch U.S. Bureau of Mines - USGSA chip sample from across the phyllite- dolomite contact contained no significant values. The quartz assayed 0.1 oz gold per ton and 0.3

Tab

le

2.--

Sum

mar

y of

min

es

and

pro

spe

cts

in

the

A

ndre

ws

Mo

un

tain

, M

azou

rka,

an

d P

aiu

te R

oadl

ess

Are

as

Contin

ued

Map

No.

Name

Sum

mar

y

22G

reen

G

ian

t M

arb

e

Nos

.

23 24

Conta

ct S

ilve

r U

oT

S

Gol

d G

iant

No.

4

25B

lack

A

ster

2/

Pale

ozo

ic

do

lom

ite,

sha

le,

and

lime

sto

ne

str

ike

nort

hw

est

and

dip

40

° to

75

° S

W.,

with

lo

cal

ove

rturn

ing of

som

e str

ata

. C

rysta

lline d

olo

mite

cr

ops

ou

t ove

r an

ar

ea

ab

ou

t 1

mi

lon

g,

and

is

1,00

0 ft th

ick.

Maj

or nort

hw

est

-tre

ndin

g fa

ults

and

ove

rtu

rnin

g of

beds

an

d ha

ve in

ten

se

ly fr

actu

red

an

d b

recc

iate

d

the

ro

cks.

A 1.0

-ft-

thic

k,

nort

hw

est

-tre

ndin

g fa

ult in

dolo

mite

is

filled w

ith sili

ce

ou

s,

iro

n-s

tain

ed

fr

iable

go

uge.

Th

e o

nly

vis

ible

min

era

l in

th

e

untr

ace

able

fa

ult w

as m

ala

chite

. A

majo

r fa

ult

map

ped

in th

is

area

pro

jects

th

rough

the

A

lice

Q

uart

z m

ine,

0

.75

m

i n

ort

hw

est

of

this

lo

cation.

Gra

y to

b

uff

-do

lom

ite

is

mas

sive

an

d exte

nsiv

ely

fr

actu

red

. Th

e la

rgest

of

seve

ral

nort

h-t

rendin

g

shea

r zo

nes

is

3.5

ft t

hic

k

and

ext

en

ds

for

ab

ou

t 30

ft

. Th

e zo

nes

are

com

pose

d of

bre

ccia

ted

d

olo

mite

, go

uge,

an

d le

sse

r am

ount

s of

sili

ceous

limom

'te,

band

ed q

ua

rtz-lim

om

'te,

hem

atit

e,

calc

ite,

azu

rite

, an

d m

ala

chite

.

An

area

1,

100

ft lo

ng

and

400

ft w

ide

in

tffe

vic

inity

of

a d

olo

mite

-sla

te co

nta

ct h

as

seve

ral

1-

to 5-f

t-

thic

k

shea

r zo

nes.

Th

e lo

ngest

one

is

ex

pose

d un

derg

roun

d fo

r 14

0 ft

. Q

uart

z ve

ins

crop o

ut

in

sili

ceous

do

lom

ite,

bu

t la

rge

r m

ore

contin

uous

vein

s an

d le

nse

s a

re

in

the

g

ou

ge

-fill

ed

sh

ear

zone

s.

Ran

dom

ly

dis

sem

inate

d ble

bs

of

oxi

diz

ed

gale

na

and

ma

lach

ite

are

in

som

e of

the

q

ua

rtz

and

sili

ceous

dolo

mite

.

Work

ings

and

production

Resource/samp! e d

ata

Quarry d

evelopment c

overs

appr

oxim

atel

y 15 a

cres a

nd i

s on

four b

ench

lev

els

with

abo

ut

1,000

ft o

f bu

lldo

zer

tren

ches

. Ol

der

work

ings

inv

esti

gate

d parts

of m

ajor

faults

and

the

igne

ous-

se

dime

ntar

y co

ntac

ts.

They include

three

shor

t 'c

aved

sha

fts,

an 8

ft

adit

, and

two

pits

. The

owne

r states a

n unknown

amount o

f marble

was

prod

uced

in

the

1950

's.

In

1978

, Mr

. LaVigne

prod

uced

250

tons o

f ma

rble

chips,

used f

or

terr

azzo

aggregate.

Two

adits, each 3

0 ft l

ong,

two

pits a

nd a

tre

nch.

TwV trenches 1

1 an

d 25 f

t long,

an 11-ft-long a

dit,

a 36

-ft-long

incl

ined

shaft,

a ve

rtical

sh

aft

abou

t 30 f

t de

ep,

and

a pit.

Four s

mall

pi

ts,

two

adits

60

and

200

ft l

ong,

and

a 22

-ft-

deep s

haft

with

an 8

0-ft

-long

drif

t at t

he b

otto

m.

A series o

f bench

cuts

ove

r th

e entire

outcrop

coul

d ea

sily

pr

ovid

e 5 mi

llion

tons o

f in

ferr

ed s

ubec

onom

ic r

esources.

Thre

e se

lect

, on

e grab,

and

one

chip

samp

le,

all

from

sil

iceo

us l

imom'te

mate

rial

fr

om a

she

ar z

one

cont

aine

d from 0

.01

to 0

.37

oz g

old

per

ton,

0.

1 to 4

.4 o

z silver p

er t

on,

and

0.02

to

0.47

perc

ent

copp

er.

Six

chip,

two

select,

and

one

grab

sample f

rom

shea

r zo

nes,

qu

artz

, or

sili

ceou

s li

moni

te.

One

chip

sam

ple

from

a 0

.7 f

t mineralized

shea

r zone

assayed

0.2

oz g

old

per

ton.

Se

lect

ed

azur

ite-

and

malachite-stained q

uartz

from

the

pit

had

9.4

oz

silv

er p

er t

on,

4.0

perc

ent

copp

er,

and

2.6

percent

lead

. Th

e ot

her

samp

les

cont

aine

d no

significant

meta

l va

lues

.

Nine

hun

dred

ton

s of

ind

icat

ed a

nd

infe

rred

sub

econ

omic

res

ourc

es a

vera

ge

1.0

oz si

lver

per

ton

fr

om a

qua

rtz-

rich

pa

rt o

f th

e la

rges

t shear

zone

. Other

more

hi

ghly

mineralized q

uartz

.veins

were

not

suf

fici

entl

y ex

pose

d to

dete

rmin

e resources.

It is likely th

at

the

three

select s

amples r

epre

sent

the

highest

grade

material available.

Resu

lts

rang

ed f

rom

2.6

to 5

.4 o

z si

lver

pe

r to

n an

d 1.

3 to 1

.4 p

erce

nt l

ead.

Page 7: Steven W. Schmauch U.S. Bureau of Mines - USGSA chip sample from across the phyllite- dolomite contact contained no significant values. The quartz assayed 0.1 oz gold per ton and 0.3

Tab

le

2. S

um

mary

of

min

es

and

pro

spect

s in

th

e

And

rew

s M

ou

nta

in,

Maz

ourk

a,

and

Paiu

te

Roa

dles

s A

reas

Contin

ued

Map

No.

Nam

eSu

mm

ary

Wor

king

s an

d pro

duct

ion

Res

ourc

e/sa

mpl

e da

ta

26 27 28 29 30 31 32

The

pred

omin

ant

trend of

join

t se

ts

in

fra

ctu

red

dolo

mite

is

N

. 15°-

50°

E.

and

N.

35-7

W.

Ver

y m

inor

silic

ific

ation

has

occ

urr

ed

alo

ng

the

poorly

defin

ed

and

untr

ace

able

jo

ints

. F

ine

ly

dis

sem

inate

d

gale

na is

a

sso

cia

ted

w

ith

sili

ceous

dolo

mite

.

Unk

now

n I/

The,

countr

y ro

ck is

d

ark

-gra

y to

w

hite

-banded

(3,

11,

3TT)

lim

est

one.

A horizonta

l b

ed

din

g-p

lan

e q

ua

rtz

vein

as

muc

h as

1.

5 ft th

ick

can

be

tra

ced

fo

r 45

ft.

A vert

ical

shea

r zo

ne

dis

pla

ces

the

q

ua

rtz

vein

abou

t 0

.5 ft.

Va

lley

Vie

w

A 5-

to

15-f

t-th

ick,

da

rk-g

ree

n

diab

ase

dik

e

can

be

(Bue

na V

ista

) tr

ace

d in

term

itte

ntly fo

r 40

0 ft

and

str

ikes

N.

55°

to 7

W.

in

quart

z m

onzo

nite

.

Unk

now

n I/

A 2-f

t-th

ick w

hite

qua

rtz

vein

is

in

q

ua

rtz

(8,

11,

3T)

monzo

nite

.

"69"

N

os.

1-6

A 6

- to

8

-ft-

thic

k

quart

z ve

in str

ikes

N.

65°

E.

and

dip

s 54

° SE

. in

horn

fels

. M

inor

am

ount

s of

dis

sem

inate

d

gale

na

are

in

th

e iro

n-s

tain

ed

q

ua

rtz.

Little

Jo

ker

Sin

uous

irre

gula

r m

asse

s of

milk

y q

ua

rtz

as

muc

h as

15

ft th

ick

and

30 ft

lon

g

crop o

ut

in

a n

ort

h-

elo

ng

ate

d 200-f

t-lo

ng

are

a.

The

cou

ntr

y ro

ck is

gra

nodio

rite

.

Squa

w m

ine

Fou

r sh

ear

zone

s le

ss

than

20

ft

long

and

1.0

ft

(Van

ey~

vTew

th

ick

are

com

pose

d of

hig

hly

fr

actu

red,

altere

d,

Nos

. 1

and

2)

quart

z m

onzo

nite

, lightly

to h

ea

vily

iro

n-s

tain

ed

go

uge,

an

d w

hite

quart

z ve

ins

or

pods

. Th

e quart

z co

nta

ins

sili

ce

ou

s iron,

limonite,

man

gane

se

oxi

des,

p

yrite

cu

bes,

sc

att

ere

d

gra

ins

of

ch

alc

op

yrite

, an

d m

ala

chite

in

fr

actu

res.

Thr

ee a

dits,

10,

20,

and

70 ft

long,

and

a 40°-

50°

inclin

ed

shaft,

94 ft

deep

.

A 62-f

t-lo

ng a

dit

and

ove

r 20

0 ft of

bulld

ozer

cu

ts.

Sev

en

smal

l pits.

One

35°-

inclin

ed 10-f

t-deep

shaft

and

a p

it.

Ten

shallo

w pits^

An 8

-ft-

lon

g adit,

a sm

all

pit,

and

a 130-f

t-lo

ng

bulld

ozer

cut.

Two

adits

23

and

26 ft

long,

a ca

ved

adit,

and

thre

e p

its.

All

15

sam

ples

co

nta

ine

d

from

a

tra

ce

to

0

.05

oz

gold

pe

r to

n,

with

on

e as

say

of

0.26

oz

gold

p

er

ton.

Two

sto

ckpile

sa

mpl

es

als

o

con

tain

ed

2

.9

and

20

.62

oz

silve

r p

er

ton.

Fou

r of

the

six

sa

mpl

es

con

tain

ed

a

tra

ce

of

gold

.

Thr

ee of

the

five ch

ip

and

grab

sa

mpl

es

con

tain

ed

a

trace

of

gold

an

d on

e ha

d 0

.1

oz silve

r p

er

ton.

A ch

ip

sam

ple

from

acr

oss

th

e ve

in

con

tain

ed

a

trace

g

old

.

Resu

lts

from

16

sa

mpl

es

show

no

sig

nific

ant

valu

es.

One

ch

ip

and

fou

r gr

ab

sam

ples

co

nta

ine

d

a tr

ace

of

gold

.

Abo

ut o

ne

-ha

lf of

the

nin

e chip

, g

rab

, o

r se

lect

sam

ples

of

qu

art

z fr

om

the

sh

ear

zone

s ha

d in

sig

nific

an

t gold

an

d co

pper

va

lues.

T

hree

se

lect

sam

ples

fr

om

sto

ckp

iles

rep

rese

ntin

g

less

th

an

2 to

ns

had

0.1

4,

0.4

9,

and

0.61

oz

g

old

p

er

ton

an

d 0

.36

, 0.0

1,

and

0.5

2

pe

rce

nt

cop

pe

r.

A gr

ab

sam

ple

of

qu

art

z fr

om

a

dum

p ha

d 0.1

0 o

z g

old

p

er

ton

an

d 0.

17 perc

ent

copper.

Page 8: Steven W. Schmauch U.S. Bureau of Mines - USGSA chip sample from across the phyllite- dolomite contact contained no significant values. The quartz assayed 0.1 oz gold per ton and 0.3

Tab

le

2.--

Sum

mar

y of

min

es

and

pro

spect

s in

th

e A

ndre

ws

Mo

un

tain

, M

azou

rka,

an

d P

aiu

te

Roa

dles

s A

reas

Contin

ued

Map

N

o.Na

me

Sum

mar

yW

orki

ngs

and

pro

du

ctio

nR

esou

rce/

sam

ple

da

ta

33

Blu

e B

ell

min

e G

ray,

th

in-

to

med

ium

-bed

ded

lime

sto

ne

str

ike

snort

hw

est

and

dip

s so

uth

west

. Ir

on-s

tain

ed fa

ult

goug

e fills

sma

ll,

loca

lize

d

area

s of

be

dd

ing

-pla

ne

sh

ea

rin

g in

th

e co

un

try

rock

.

34

Mex

ican

H

at

An

altere

d,

silic

ifie

d

zone

alo

ng

a quart

z m

onzo

nite

- horn

fels

co

nta

ct str

ikes

N.

45°

W.

and

dip

s 45

° SW

. Th

e 4

-ft-

thic

k

zone

co

nta

ins

vein

s an

d po

ds of

vugg

y lim

onite-s

tain

ed q

ua

rtz

as th

ick

as

1.8

ft.

The

zone

ha

s be

en

expo

sed

for

60 ft

alon

g str

ike

an

d at

least

150

ft

dow

ndip

.

35

Mic

ha

el's

32

2 S

late

an

d phyllite

are

cut

by

num

erou

s n

ort

he

ast

- tr

en

din

g,

qu

art

z-

and

gouge-f

illed

shea

r zo

nes

in

a 30

0-

by 600-f

t are

a.

Qua

rtz

vein

s an

d le

nse

s ra

nge

from

0.3

to

3

.0 ft th

ick

and

are

sta

ine

d w

ith

1 i

mon

i te

an

d he

mat

i te.

36

Bad

ger

Fla

t A

400-

to

5

00

-ft-

thic

k

lime

sto

ne

-do

lom

ite unit

pro

spects

~

str

ike

s

N.

55

°-8

W.,

dip

s 4

0°-

55

° S

W.,

and

ish

igh

ly fr

actu

red

. N

umer

ous

sh

ort

, h

igh

ly irre

gula

r,

dis

con

tinu

ou

s ve

ins,

ve

inle

ts,

and

pods

of

quart

z,

calc

ite,

and

sid

erite

ar

e in

g

ou

ge

-fill

ed

sh

ear

zone

s.

Thes

e ar

e poorly

expo

sed

and

no

t tr

ace

ab

le

beca

use

allu

viu

m c

over

s th

e

are

a.

A 4

0-f

t-lo

ng

, 4

.1-f

t-th

ick

segm

ent

of

shea

r zo

ne in

a

win

ze

appe

ars

to

have

m

ore

gold

an

d silver

than

an

y oth

ers

in

th

e

surr

ou

nd

ing

a

rea

. V

ery

min

or

amou

nts

of

ma

lach

ite sta

in

are

foun

d el

sew

here

in

th

is

vic

inity.

37

St.

P

hi H

ip

Thin

quart

z ve

in

in

brow

n phyllite

tre

nd

s N

. 50

° E

. an

d dip

s ve

rtic

ally.

38

Goo

d Lu

ck

Qua

rtz

vein

as

th

ick

as

6 in

. tr

ends

N.

20°

W.

in fr

actu

red

gr

ay

limest

one.

Sev

eral

th

in,

dis

contin

uous

quart

z ve

ins

are

pre

sent

here

.

One

50-f

t-deep

shaft,

a 25-f

t-deep

inclin

ed

sh

aft

, an

d 11

pits.

A 1

0-f

t-d

iam

ete

r shaft is

45

ft

deep

with

11

0 ft of

acc

ess

ible

45°-

inclin

ed drift.

Oth

er

wo

rkin

gs

incl

ude

an 8-f

t-deep

pit

and

15

shallo

w

sho

rt

bulld

ozer

cuts

.

A 6

0-f

t-lo

ng

tr

ench

an

d a

27

-ft-

d

iam

ete

r p

it m

ade

by

a b

ulld

oze

r,

and

one

smal

l p

it.

A clu

ste

r of

five clo

se

ly

spac

ed

ad

its

com

prise

34

0 ft of

deve

lop­

men

t, in

clu

din

g

a 7

0-f

t-lo

ng

w

inze

. In

additio

n,

there

a

re

thre

e

shafts

40 ft

deep

an

d le

ss,

nin

e

trench

es,

th

ree

sh

ort

a

dits,

and

43 p

its.

One

pit

35 ft

lo

ng

, 5

ft w

ide

, an

d 3

ft

deep

.

One

pit

10 ft

in

dia

mete

r an

d 2

ft

deep

.

Of

14

sam

ples

, only

th

ree

co

nta

ine

d

sig

nific

ant

valu

es.

S

ampl

es

from

tw

o p

its,

420

ft e

ast

of

the

shafts,

con

tain

ed

0

.4 to

0

.6

oz silve

r p

er

ton

. A

rand

om

grab

sa

mpl

e of

iro

n-s

tain

ed

fa

ult

goug

e fr

om th

e

inclin

ed

shaft

had

0.9

oz

silver

pe

r to

n.

Of

13

sam

ples

of

quart

z,

seve

n co

nta

ine

d

from

a

trace

to

0.0

6 o

z g

old

p

er

ton,

and

eig

ht

had

from

0.0

1 to

0

.13

perc

ent

cop

pe

r.

Ano

ther

ch

ip

sam

ple

con

tain

ed

0

.3

oz

gold

p

er

ton.

Thr

ee

chip

an

d on

e sele

ct

sam

ple

from

th

e

quart

z le

nse

s an

d ve

ins

had

no

sig

nific

ant

valu

es.

The

40-f

t-lo

ng

segm

ent

of

shea

r zo

ne

has

550

ton

s a

vera

gin

g 0.0

5

oz

gold

p

er

ton

an

d 0

.7

oz silve

r pe

r to

n.

One

sele

ct

sam

ple

of

qu

art

z d

id

no

t co

nta

in

any

gold

o

r silver.

Two

chip

sa

mpl

es of

quart

z d

id

no

t co

nta

in

any

gold

o

r silver.

Page 9: Steven W. Schmauch U.S. Bureau of Mines - USGSA chip sample from across the phyllite- dolomite contact contained no significant values. The quartz assayed 0.1 oz gold per ton and 0.3

Table

2.--

Summ

ary

of m

ines a

nd p

rosp

ects

in

the A

ndrews M

ount

ain,

Ma

zour

ka,

and

Paiute R

oadless

Areas Continued

Map

No.

Name

Summ

ary

Work

ings

and

prod

ucti

onRe

sour

ce/s

ampl

e data

39

Plat

ta B

lanca

Vert

ical

to

steeply s

outhwest d

ipping b

edded

limestone

strikes

N. 30°

W.

A nearly c

onco

rdan

t qu

artz

vei

n an

d a

shea

r zone 1

.8 a

nd 1

.3 f

eet

thic

k, re

spec

tive

ly,

were

not

expo

sed

outside

of

the

exca

vati

on.

40

Zincite

Thin

ly b

edde

d, siliceous,

iron-

and

mang

anes

e-st

aine

d limestone

strikes

northw

est

and

dips 2

2° t

o 65°

SW.;

locally

recr

ysta

lliz

ed.

Bedd

ing-

plan

e qu

artz

vei

ns

2 in

. thick

contain

fine

-grained d

isseminated

galena

and

sphalerite i

n a

zone

2.8 f

t thick.

Shea

r zo

nes

that

str

ike

N. to

N.

20°

W. cr

ossc

ut t

he a

rea

and

offset t

he q

uartz

veins

a few

feet

.

41

Unknown

I/

Iron

-sta

ined

quartz

monz

onit

e co

ntai

ns specular

(21,

11

, 75)

hema

tite

and

localized o

ccurrences o

f li

moni

te-

stained

gouge.

42

Mont

e Cr

isto

Iron

-sta

ined

quartz

monz

onit

e co

ntai

ns d

isse

mina

ted

hematite,

weathered

pyri

te,

and

quartz p

ods.

43

John

nie

No.

1 Pink-white a

plit

e di

kes, quartz v

eins,

and

green-

brown

diabase

dikes

form

a no

rth-

tren

ding

dike

swarm

in q

uartz

monzonite.

Ch

alco

pyri

te,

mala

chit

e,

and

azurite

are

asso

ciat

ed w

ith

the

veins

and

dike

s in small, randomly d

istr

ibuted p

ods

wher

e iron s

tain

is

most

intense.

44

Unknown

I/

Iron

-sta

ined

quartz

vein

s and

an a

plite

dike i

ntru

de

(28/29,

IT,

35)

quar

tz m

onzonite.

45

Iron W

edge

Diabase

and

apli

te d

ikes

wit

h mi

lky

quartz v

eins

are

as t

hick a

s 2.

0 ft a

nd t

rend

north-northeast

acro

ss q

uartz

monz

onit

e.

Some p

arts o

f the

200-

ft-

to 6

00-f

t-lo

ng d

ikes a

re h

ighly

iron stained.

46

Cali

forn

ia Rose

Appr

oxim

atel

y 1,000

ft s

eparates t

wo n

orth

east

- No

. 2

trending n

orth

west

-dip

ping

she

ar z

ones

in

qua

rtz

monz

onit

e.

The

shea

rs a

re f

illed wi

th k

aoli

nite

, brecciated v

ein

quartz,

and

as m

uch

as 30 p

erce

nt

limonite.

The

larger s

hear

zone

is a

bout

210

ft

long a

nd r

ange

s fr

om 3

to

10 f

t thick, bu

t averages

abou

t 4

ft t

hick

.

An ad

it 1

3 ft l

ong

and

four p

its.

Two

adit

s totalling

96 f

t in

length,

one

inclined s

haft

22

ft

deep,

and

seve

n pi

ts.

Two

pits

, both a

bout

18

ft w

ide,

10 f

t long,

and

3 ft d

eep

with

appr

oxim

atel

y 1

ton

of l

imonit

e-

goug

e material stockpiled.

Two

pits,

one

expo

ses

quar

tz

monzonite

and

the

othe

r a

12-ft-

lo

ng,

6-ft-wide

quartz p

od.

Eigh

t pi

ts.

Two

small

pits in

the q

uart

z veins.

Thre

e sm

all

pits i

n the

aplite d

ike.

One

tren

ch 1

8 ft l

ong

and

seve

n pits.

A 9-ft-wide

by 6

-ft-

long

pit

and

a 15

-ft-

long

tre

nch

lead

into

a 3-ft-long

adit.

Three

of t

he f

our

chip

samples c

onta

ined

a

trace

gold

; on

e al

so h

ad a

trace l

ead.

One

grab sample c

onta

ined

0.4

oz

silv

er

per

ton.

A quartz v

ein

cont

ains

450

ton

s av

erag

ing

1.1

oz silver p

er t

on,

2.9

percent

lead

, an

d 4.

6 pe

rcen

t zi

nc.

No si

gnif

ican

t va

lues

in st

ockp

ile

samples

from

either

pit.

A chip sa

mple

fro

m across th

e quartz p

od

assa

yed

a trace

gold

and

a grab s

ample

assa

yed

0.03

oz

gold p

er t

on.

A 4-

ft c

hip

sample f

rom

across a

quartz

vein c

onta

ined

0.3

3 percent

copper.

Two

sele

ct s

ampl

es o

f fr

agme

nts

of ir

on-

and

copper-stained q

uart

z mo

nzon

ite

had

1.30

and

0.28

percent c

opper.

Five

oth

er

sele

ct a

nd c

hip

samp

les

cont

aine

d no

si

gnif

ican

t va

lues

.

Four g

rab

samples

and

one

chip s

ampl

e co

ntai

ned

no s

ignificant v

alue

s.

Three

of t

he e

ight

samples fr

om d

ikes

and

vein

s co

ntai

ned

from

1.0

to

2.7

oz

silv

er p

er t

on.

Five

chi

p samples

and

one

grab s

ampl

e co

ntai

ned

no s

igni

fica

nt v

alue

s.

Page 10: Steven W. Schmauch U.S. Bureau of Mines - USGSA chip sample from across the phyllite- dolomite contact contained no significant values. The quartz assayed 0.1 oz gold per ton and 0.3

Tab

le

2.--

Sum

mar

y of

min

es

and

pro

spe

cts

in

the

A

ndre

ws

Mo

un

tain

, M

azou

rka,

an

d P

aiu

te

Roa

dles

s A

reas

Contin

ued

Map

N

o.Na

meSu

mm

ary

Wor

king

s an

d p

rod

uct

ion

Res

ourc

e/sa

mpl

e d

ata

47 48

Pyrite

E

xten

sensi

on

2/

Geo

rge

III

49M

an!a

n N

os.

50 51

Unk

now

n I/

(2

9,

11,

75

)

Old

R

iver

Arr

astr

e-

Bla

ck J

ack

Gol

d N

os.

T^T

O27~

Two

4-f

t-th

ick

quart

z-lim

onite

vein

s ar

e p

art

ly

expo

sed

for

240

ft

in

quart

z m

onzo

nite

. Th

e ve

ins

str

ike

N

. 40°-

66°

U.

and

dip

3

0°-

45

° M

E.

A nort

h-t

rendin

g

shea

r zo

ne is

ex

pose

d fo

r ove

r 1,

000

ft,

aver

ages

' 6

ft th

ick,

and

dip

s 60

° SW

. M

ost

of

the

zo

ne is

co

mpo

sed

of

altere

d

quart

z m

onzo

nite

, w

ith

va

rie

d

pa

rts

of

daci

te

dik

es

and

qu

art

z ve

ins

as th

ick

as

4 ft.

Lo

caliz

ed

ar

eas

alon

g th

e

zone

als

o co

nta

in

as

muc

h as

3

perc

ent

specu

lar

he

ma

tite

, m

agnetit

e,

limonite,

and

ma

lach

ite

sta

in.

Qua

rtz

str

ingers

an

d po

ds

a fe

w

inch

es

thic

k

and

as

long

as

5 ft;

they

cro

p o

ut

in w

ide

ly

spac

ed

loca

les

in

quart

z m

onzo

nite

. Q

uart

z is

als

o

ass

oci

ate

d w

ith

sh

ear

zone

s th

at

are

as th

ick

as

20 ft

. Th

e q

ua

rtz

is iron

sta

ine

d

and

has

fra

ctu

re fillin

gs

of

ma

lach

ite,

ch

ryso

co

lla,

and

trace

s of

azu

rite

.

Sec

onda

ry calc

ite

and

pyrite

altere

d

to lim

on

ite

an

d h

em

atit

e

in

quart

z ar

e fo

und

in

wea

ther

ed q

ua

rtz

monzo

nite

.

Qua

rtz

mon

zoni

te is

cu

t by

nu

mer

ous

no

rth

- to

n

ort

hw

est

-tre

nd

ing

, n

ea

rly

ve

rtic

al

diab

ase

dik

es,

fa

ults,

and

quart

z ve

ins.

Th

e la

rge

r str

uctu

res

can

be

tra

ced

fo

r se

vera

l m

iles

and

are

10

ft th

ick

or

mor

e in

p

lace

s.

The

fau

lts co

nta

in

vario

us

amou

nts

of

hig

hly

cl

eave

d co

untr

y ro

ck,

iro

n-s

tain

ed

go

uge,

an

d q

ua

rtz

vein

s.

The

larg

er

vein

s ar

e 1

to

4 ft t

hic

k

and

can

be tr

ace

d fo

r as

fa

r as

15

0 ft

. Th

e q

ua

rtz

is ty

pic

ally

mas

sive

an

d m

ilky

wh

ite

, b

ut

part

s a

re iro

n

sta

ine

d

and

conta

in d

iscre

te

ble

bs

of

pyrite

, chalc

opyrite

, ch

ryso

co

lla,

and

ma

lach

ite.

An

11

-ft-

lon

g adit

and

two

pi t

s.

Fiv

e pits.

Sev

en

smal

l pits

and

an 1

1-f

t-

deep

shaft w

ith

3.5

- an

d 25-f

t-

long d

rift

s.

Thr

ee

shallo

w pits.

A 2,5

00-f

t-lo

ng

segm

ent

of

a sh

ear

zone

ha

s be

en e

xplo

red

by

te

n

sh

aft

s,

eig

ht

ad

its,

21

pits,

and

two

tre

nch

es.

U

nder

grou

nd w

ork

ings

tota

l 1,

222

ft;

the

lo

ngest

ad

it

is

337

ft.

Sm

alle

r ne

arby

ve

ins

or

dik

es

have

tw

o adits

and

fou

r pits o

r tr

en

che

s on

th

em.

Abo

ut

6,7

00

to

ns

of

ind

ica

ted

an

d in

ferr

ed

su

beco

nom

ic

reso

urc

es

havi

ng

a w

eig

hte

d

aver

age

of

0.0

8

oz

gold

g

old

p

er

ton

a

re

in

the

quart

z ve

ins.

One

of

six

ch

ip

sam

ples

fr

om

the

sh

ear

zone

co

nta

ined

1.8

oz

silver

pe

r to

n,

the

o

the

r sa

mpl

es

had

no sig

nific

ant

valu

es.

E

ast

of

the

sh

ear

zone

a

chip

sa

mpl

e of

iro

n-s

tain

ed

quart

z m

onzo

nite

co

nta

ine

d 0

.5

oz silver

per

ton

an

d 0.7

3 perc

ent

cop

pe

r.

Fifte

en chip

, gra

b,

and

se

lect

sam

ples

w

ere

take

n fr

om quart

z ve

ins

and

shea

r zo

nes.

M

ost

sam

ples

co

nta

ine

d

a tr

ace

of

gold

, silve

r,

and

cop

pe

r.

One

sa

mpl

e co

nta

ine

d 0

.18

oz

gold

p

er

ton,

an

oth

er

had

0.2

4 perc

ent

cop

pe

r.

A sele

ct

sam

ple

from

a

25-t

on

sto

ckp

ile co

nta

ine

d

0.0

2

oz

gold

pe

r to

n,

0.9

oz

silver

pe

r to

n,

and

5.2

p

erc

en

t co

pp

er.

Thr

ee

grab

sa

mpl

es

of

iro

n-s

tain

ed

ve

in

qu

art

z,

limonite,

and

altere

d quart

z m

onzo

nite

fr

om

th

e pits

con

tain

ed

no

sig

nific

ant

valu

es.

The

pa

rt of

the

sh

ear

zone

exp

osed

be

twee

n th

ree

shafts

has

a to

tal

of

25,0

00 t

ons

of

ind

ica

ted

an

d in

ferr

ed

su

beco

nom

ic

reso

urc

es

with

a

weig

hte

d

aver

age

grad

e of

0.0

4 o

z gold

p

er

ton.

Abo

ut

6,8

00

to

ns

of

this

re

sourc

e

in

the

vic

inity

of

sha

fts

5 an

d 6

aver

ages

0.0

3 o

z gold

p

er

ton;

2,00

0 to

ns

near

sh

aft

7

aver

age

0.0

6

oz

go

ld

pe

r to

n.

Page 11: Steven W. Schmauch U.S. Bureau of Mines - USGSA chip sample from across the phyllite- dolomite contact contained no significant values. The quartz assayed 0.1 oz gold per ton and 0.3

Tab

le

2.--

Sum

mar

y of

min

es

and

pros

pect

s in

th

e A

ndre

ws

Mou

ntai

n,

Maz

ourk

a,

and

Pai

ute

Roa

dles

s A

reas

Contin

ued

Map

N

o.Na

me

Sum

mar

yW

orki

ngs

and

pro

du

ctio

nR

esou

rce/

sam

ple

data

52

Blu

e Bo

y A

nort

heast

-tre

ndin

g

shea

r zo

ne

dip

s-n

ort

hw

est

and

ra

nges

fro

m 0

.5 to

2.

0 ft

thic

k in

gra

nodio

rite

. Th

e sh

ear

zone

is

com

pose

d o

f dis

contin

uous

quart

z ve

ins

and

kao

liniz

ed

, lim

on

ite-s

tain

ed

, a

ltere

d

coun

try

rock

. A

t se

vera

l lo

catio

ns,

th

e quart

z co

nta

ins

min

or a

mou

nts

of

ma

lach

ite,

azu

rite

, an

d ch

ryso

colla

.

53

Old

R

iver

A

nort

h-t

rendin

g,

3- to

5

-ft-

thic

k

shea

r zo

ne is

A

rras

tre

s m

ostly

tra

ceable

fo

r 15

3 ft.

Its m

argi

ns

have

O

wlc

orru

ga

ted

cle

avag

e su

rfac

es

alon

g so

me

pa

rts.

Cou

ntry

ro

ck is

quart

z m

onzo

nite

. Th

e sh

ear

zone

is

com

pose

d m

ostly

of

alte

red

co

un

try

rock

, lim

on

ite

str

ing

ers

, an

d 2-

. to

12-in.-

thic

k,

mas

sive

to

bre

ccia

ted q

uart

z st

ringers

an

d po

ds.

In

som

e ar

eas

of

the

shea

r zo

ne,

chry

soco

lla is

finely

di

ssem

inat

ed o

r fo

und

as fr

act

ure

fillin

gs.

54

Gol

d Bu

g N

os.

A 0

.5-m

i-lo

ng

, nort

hw

est

-tre

ndin

g

shea

r zo

ne1

and

2com

posed o

f a

ltere

d a

nd b

recc

iate

d c

hlo

rite

sc

his

t an

d cl

ay

fault

goug

e is

fr

om 0

.5 t

o

5 ft th

ick

in

quart

z m

onzo

nite

. Is

ola

ted

quart

z ve

inle

ts

in

the

shea

r zo

ne

are

6 in

. th

ick

and

as

long

as

3 ft

long.

The

quart

z co

nta

ins

finely

di

ssem

inat

ed

spec

ular

hem

atite

an

d pyrite

with

mala

chite

and

azu

rite

st

ain

s an

d fr

act

ure

fillin

gs.

A 1

44

-ft-

lon

g a

dit,

a 35-f

t-

long

tr

ench

, an

d five

p

its.

Two

shafts,

37

and

17

ft d

eep,

tw

o a

dits,

and

seve

n p

its.

The

ad

its

are

28 a

nd 2

85 f

t lo

ng

with

80

-ft-

lon

g d

rift

. Th

e de

epes

t sh

aft

in

ters

ect

s th

e 8

0-f

t-lo

ng

drift o

f th

e lo

ng

est

ad

it.

Seve

n adits

fr

om 1

2 to

14

0 ft

lo

ng,

a ca

ved

ad

it,

a 3

7-f

t-

deep

sh

aft w

ith

a 4

5-f

t-lo

ng

d

rift

, tw

o ca

ved

shafts,

on

e in

clin

ed sh

aft 1

0 ft

de

ep,

and

20 p

its.

Thre

e gr

ab a

nd f

ive

ch

ip

sam

ples

wer

e co

llect

ed.

A se

lect

sa

mpl

e fr

om a

1

ton

stock

pile

had

1

perc

ent

copp

er.

Min

era

lized quart

z-ve

in flo

at

from

the

tr

ench

con

tain

ed

0.49

per

cent

cop

per.

A

grab

sa

mpl

e of

quart

z float

from

a

pit c

onta

ined

0.9

0 pe

rcen

t co

pper

and

6.

6 oz

silv

er

per

ton.

A m

ine

raliz

ed

part

of

the

shea

r zo

ne

is

estim

ated

to

con

tain

10

,000

ton

s quart

z m

onzo

nite

, q

ua

rtz,

an

d go

uge

havi

ng a

n av

erag

e gr

ade

of

0.20

per

cent

co

pper

.

Twen

ty o

f th

e 72

chip

, se

lect

, or

grab

sa

mpl

es f

rom

the

sh

ear

zone

, quart

z ve

ins,

st

ock

pile

s,

or

dum

ps

assa

yed

from

0.

01

to

0.96

oz

gold

per

to

n;

29 o

thers

ha

d a

tra

ce of

gold

. Th

e se

lect

sa

mpl

es

with

go

ld

assa

ys c

lose

ly p

ara

llele

d

the

chip

sa

mpl

e re

sults.

Thre

e se

lect

sa

mpl

es

had

0.6

, 1.9

, an

d 4.

6 oz

silv

er

per

ton

. E

igh

t se

lect

and

tw

o ch

ip

sam

ples

con

tain

ed c

oppe

r ra

ngin

g fr

om

0.12

to

1.7

perc

ent

and

one

had

8.40

p

erc

en

t.

The

valu

es a

re l

oca

lize

d in

sm

all,

un

defin

eabl

e po

cket

s o

r sh

oots

al

ong

the

shea

r zo

ne,

thus

re

sour

ces

coul

d no

t be

det

erm

ined

.

Page 12: Steven W. Schmauch U.S. Bureau of Mines - USGSA chip sample from across the phyllite- dolomite contact contained no significant values. The quartz assayed 0.1 oz gold per ton and 0.3

Table 2. Summary o

f mi

nes

and

pros

pect

s in

the A

ndrews M

ountain, Ma

zour

ka,

and

Paiute R

oadl

ess Areas Continued

Map

No.

Name

Summar

yWo

rkin

gs a

nd

prod

ucti

onRe

sour

ce/s

ampl

e data

55Eureka

Consolidated

Quar

tz M

ine

56

Gwen

gr

oup

2J

57Lu

cky

La

rry

grou

p

Nort

h-t

rendin

g

shea

r zo

nes

as th

ick

as

9 ft

and

50-f

t-lo

ng cu

t co

ars

e-g

rain

ed q

ua

rtz

monzo

nite

. Th

e zo

nes

are

co

mpo

sed

of

rock

fr

agm

ents

, go

uge,

dis

contin

uous

diab

ase

dik

es,

an

d d

isco

ntin

uo

us,

in

terlaced

qu

art

z po

ds

and

str

ing

ers

0

.5 in

. to

1.

ft th

ick.

Som

e of

the

quart

z co

nta

ins

finely

dis

sem

inate

d pyrite

, chalc

opyrite

, lim

on

ite

, an

d ch

ryso

co

lla.

A sw

arm

of

dark

-gre

en,

ap

ha

nitic

to

sc

his

tose

di

abas

e d

ike

s,

1-

to 8

-ft

thic

k

and

tan-p

ink

aplit

e

dik

es

l-,,

to 2.5

-ft-

thic

k str

ike

pre

dom

inantly

n

ort

he

ast

in

q

ua

rtz

monzo

nite

. A

de

fin

ite

pattern

of

nort

hw

est

-tre

ndin

g d

ike

s is

als

o vis

ible

. Th

e dik

es

pa

rtly

o

r to

tally fill

shea

r zo

nes,

w

hich

ha

ve

schis

tose

, chlo

ritized,

alte

red

co

untr

y ro

ck,

goug

e,

and

dis

con

tinu

ou

s,

fra

ctu

red

, iro

n-s

tain

ed

quart

z ve

ins.

Th

e la

rgest

shea

r zo

ne is

ex

pose

d fo

r o

ver

500

ft a

nd

aver

ages

50

ft

thic

k.

Blo

cky

med

ium

-gra

ined

q

ua

rtz

mon

zoni

te is

cu

t by

nu

mer

ous

N.

20°

E.-

to

N

. 20

° W

.-str

ikin

g

shea

r zo

nes,

quart

z ve

ins,

an

d a

plit

e

and

diab

ase

dik

es.

A

ll of

the

str

uctu

res

are

dis

con

tinu

ou

s an

d irre

gula

r e

sp

ecia

lly

the

la

rger

ones

th

at

are

ove

r 3

.0 ft th

ick.

The

smalle

r on

es th

at

are

as

thic

k

as

1.0

ft a

re tr

ace

ab

le fo

r as

fa

r as

60

ft.

Mos

t of

the

q

ua

rtz

is m

ilky

white

with

dis

cre

te

area

s of

ch

alc

op

yrite

, w

hich

is

finely

dis

sem

inate

d,

or

in ble

bs

and

larg

e

aggre

gate

mas

ses.

C

hry

soco

lla

and

ma

lach

ite

are

a

sso

cia

ted

w

ith

the

chalc

opyrite

.

A 4

5°-

inclin

ed

shaft

104

ft

deep

w

ith

a

22-f

t-lo

ng d

rift

at

its

bo

tto

m,

seve

n pits,

and

thre

e

ad

its to

tallin

g

125

ft of

deve

lopm

ent.

Sev

eral

m

ore

wo

rkin

gs

on

the.

pro

pe

rty

lie

outs

ide

the

ro

adle

ss

area

bo

unda

ry

and

wer

e n

ot

exam

ined

. Q

uart

z str

ingers

se

lective

ly m

ined

wer

e re

po

rte

d to

ha

ve

aver

aged

3

.7

oz

gold

pe

r to

n.

Sp

ecific

p

rod

uct

ion

da

ta

are

un

know

n (K

no

pf,

19

14,

p.

12

0).

Two

adits

20

- to

45-f

t-lo

ng

and

37 pits.

A ca

ved

adit,

12 adits

ran

gin

g

from

10

to

28

0 ft lo

ng,

13 pits,

and

two

trench

es.

Tw

en

ty-n

ine

chip

, gra

b,

or

sele

ct

sam

ples

w

ere

co

llecte

d

from

quart

z str

ing

ers

an

d po

ds,

shea

r zo

nes,

sto

ckp

iles,

and

dum

ps.

Eig

ht

sam

ples

co

nta

ine

d dete

ctable

g

old

; se

ven

of

thes

e ra

nged

fr

om

0

.01

to

0

.06

oz

gold

p

er

ton,

and

the

oth

er

had

0.1

3

oz.

Th

e hig

hest

silve

r va

lue

s in

tw

o sa

mpl

es

wer

e 1.

1 an

d 1

.0

oz

pe

r to

n.

Two

chip

an

d tw

o sele

ct

sam

ples

als

o

assa

yed

0.1

1,

0.7

0,

0.2

5,

and

2.2

perc

ent

cop

pe

r,

respectively

. M

ost

of

the

e

asily

acc

ess

ible

m

inera

lized

quart

z ha

s be

en

rem

oved

. R

emai

ning

gold

-bearing quart

z is

of

extr

eme

smal

l si

ze

and

appare

nt

restr

icte

d

occ

urr

en

ce.

A m

inera

lized

segm

ent

of

the

la

rge

st

zone

co

nta

ins

1,10

0 to

ns

of

ind

ica

ted

an

d in

ferr

ed

su

beco

nom

ic

reso

urc

es.

Th

e av

erag

e gr

ade

is 0.7

9 o

z silver

pe

r to

n.

Fifty

-one

sam

ples

fr

om

the

str

uctu

res

and

num

erou

s sm

all,

h

igh

-gra

de

sto

ckpile

s in

dic

ate

co

pper

and

silve

r ar

e is

ola

ted

in

sm

all

po

cke

ts.

A m

inera

lized

segm

ent

of

a zo

ne

conta

ins

32,0

00 t

on

s of

qu

art

z m

on

zon

ite,

qu

art

z,

and

goug

e ave

ragin

g 0.2

4 p

erc

ent

cop

pe

r.

Abo

ut 2

5 to

ns

from

va

rio

us

sto

ckp

iles in

th

is

area

ha

ve

an

aver

age

grad

e of

0.6

1

perc

ent

cop

pe

r.

Min

era

liza

tio

n

was

lo

ca

lize

d,

and

som

e re

str

icte

d

area

s w

ith

g

old

-be

arin

g quart

z e

xis

t.

Page 13: Steven W. Schmauch U.S. Bureau of Mines - USGSA chip sample from across the phyllite- dolomite contact contained no significant values. The quartz assayed 0.1 oz gold per ton and 0.3

Table

2. Summary o

f mines

and

prospects

in t

he A

ndre

ws M

ount

ain,

Mazourka, and

Paiute R

oadl

ess Areas Continued

Map

No.

Name

Summar

yWorkings a

nd

production

Resource/sample

data

58

Unknown

I/

(4,

12,

37)

59

Unkn

own

\J"c

ryst

al area'

(9/4,

12,

35)

60

Unknown

I/

(3,

12,

37)

61

Unknown

I/

(3,

12,

37)

62Western

Minnesota

Mining

Asso

ciat

ion

(placer)

Two

shea

r zo

nes

stri

ke n

orth a

nd d

ip 4

7° t

o 63°

E.

in q

uart

z monzonite.

Maxi

mum

thickness

is 2

0 ft

, bu

t the

zone

s av

erag

e abou

t 8

ft t

hick a

nd c

an b

e tr

aced

for

over

300

ft.

The

shea

r zo

nes

consist

of

frac

ture

d to a

lter

ed c

ount

ry r

ock

with

dis

cont

inuo

us

limo

niti

c quartz v

eins

.

Quar

tz v

eins a

nd d

acit

e and

diabase

dike

s tr

end

northwest

in q

uartz

monz

onit

e.

The

larg

est

structures a

re e

xpos

ed f

or o

ver

1,00

0 ft;

quar

tz

veins

average

about

2 ft t

hick

and

50

ft l

ong.

Ca

viti

es in

the

qua

rtz

cont

ain

euhedral,

clear,

smoky, or r

utilated q

uartz

crystals.

Rand

om b

lebs

of c

halcopyrite, pyrite,

and

mala

chit

e are

sparse

in l

ocalized a

reas

of

the

quartz v

eins.

A 0.5- t

o 1.

1-ft

-thi

ck,

iron

-sta

ined

qua

rtz

vein

with

pods

of li

moni

te e

xtends f

or 2

50 f

t al

ong

a N. 30°

E. tr

end

in q

uart

z mo

nzon

ite.

Massive

to b

recciated, li

monite-stained q

uartz

and

jasp

eroi

d si

lica

are

ass

ociated

with

an

alte

red,

sheared

diabase

dike

. It

strikes N

. 60°

E.,

is

inte

rmit

tent

ly e

xposed i

n wo

rkin

gs f

or 2

80 f

t an

d is

as t

hick

as

6 ft.

Sporad

ic c

halc

opyr

ite,

mal

achi

te,

and

pyri

te a

re p

resent i

n the

quartz.

Information

held c

onfi

dential

by o

wner.

Two

adits, 15

and 2

2 ft l

ong,

and

two

small

pits

.

A 20

-ft-

deep

sha

ft w

ith

12 f

t of d

rift

s, a 6-ft-long

adit

, and

over

125 s

hall

ow p

its

and

tren

ches

.

Six

small

open c

uts

alon

g quartz v

ein.

Fou

r pits.

Ele

ven

chip

sa

mpl

es

from

su

rface

an

d un

derg

roun

d sh

ear

zone

exp

osu

res.

F

our

grab

sa

mpl

es

from

quart

z-v

ein

sto

ckpile

s

and

from

du

mps

. O

ne ch

ip

sam

ple

con

tain

ed

0

.6 o

z silve

r p

er

ton,

none

o

f th

e o

the

rs co

nta

ined sig

nific

ant

valu

es.

One

hu

ndre

d an

d fo

rty-t

wo se

lect,

chip

, o

r gr

ab

sam

ples

w

ere

take

n

from

wo

rkin

gs

and

quart

z-v

ein

o

utc

rop

s.

Of

the

se,

24

had

valu

es

gre

ate

r th

an

0.

01

oz

gold

p

er

ton,

0.2

oz

silver

pe

r to

n,

or

0.0

1

perc

ent

cop

pe

r.

The

hig

hest

va

lue

s w

ere

0.0

8 o

z gold

p

er

ton,

2.0

oz

silver

pe

r to

n,

and

1.19

perc

ent

cop

pe

r.

The

qu

art

z cry

sta

ls w

ere

judged to

be

a

com

mon

va

rie

ty

and

have

no

co

mm

erci

al

valu

e.

Fiv

e of

six

sele

ct

sam

ples

co

nta

ine

d

no sig

nific

ant

valu

es.

O

ne

sam

ple

con

tain

ed

0

.4 o

z silver

pe

r to

n.

One

of

the

fou

r ch

ip

sam

ples

fr

om th

e

qu

art

z an

d dik

e co

nta

ined 0

.02 o

z gold

p

er

ton.

Page 14: Steven W. Schmauch U.S. Bureau of Mines - USGSA chip sample from across the phyllite- dolomite contact contained no significant values. The quartz assayed 0.1 oz gold per ton and 0.3

Table

2.

--S

umm

ary

of

min

es

and

pro

spe

cts

in

the

A

ndre

ws

Mounta

in,-

Mazo

urk

a,

and

Paiu

te

Roa

dles

s A

rea

s C

on

tinu

ed

Map

N

o.Na

meSu

mm

ary

Wor

king

s an

d p

rod

uct

ion

Res

ourc

e/sa

mpl

e da

ta

63 64 65 66 67

D.R

. M

ar J

ak

Sant

a R

ita

Nos

. 1-

9 (p

lace

r)

Qyp

sy

Kin

g

and

Gyp

sy

Kin

g E

xte

nsi

on

N

o.

2

Em

pire

m

ine

Men

dosi

no

68

Unk

now

n(1

4,

12,

35)

A d

olo

mite

an

d quart

zite

conta

ct is

part

ly

expo

sed

for

3 m

i alo

ng

the

east

lim

b of

an

arc

uate

- sh

aped

sy

ncl

ine

ex

pose

d in

M

azou

rka

Can

yon.

Th

e ro

cks

str

ike

N

. 30

° W

. an

d dip

80

° SW

. T

his

site

is

one

of

thre

e

know

n ta

lc

de

po

sits

fo

und

alon

g th

e co

nta

ct.

Und

ergr

ound

, h

igh

ly irre

gula

r ta

lc

bodie

s p

inch

o

ut

and

swell

to 8

.0 ft th

ick

alon

g str

ike

an

d ar

e ex

pose

d do

wnd

ip fo

r 14

7 ft.

The

re

are

som

e co

un

try-

rock

in

clu

sio

ns,

bu

t soft,

mas

sive

, ste

atite

-gra

de ta

lc

bodie

s as

th

ick

as

6.0

ft th

ick

are

pre

sen

t.

An

unid

entified

volu

me

of

quart

z m

onzo

nite

allu

vium

is

in

a

south

-tre

ndin

g in

term

itte

nt

stre

am d

rain

ag

e.

Lim

on

ite-s

tain

ed

, bre

ccia

ted,

milk

y to

ja

spero

id

vein

quart

z as

th

ick

as

2 ft is

ex

pose

d by

w

ork

ings

for

400

ft

alo

ng

a nort

hw

est

tr

end.

The

qu

art

z co

nta

ins

spora

dic

pyrite

. Th

e ve

in is

in

a

shea

r zo

ne

in altere

d

qu

art

z m

onzo

nite

.

Hem

atit

e-s

tain

ed

vugg

y q

ua

rtz

in gra

nitic

co

untr

y ro

ck.

Dis

contin

uous

qu

art

z ve

ins

as m

uch

as

0.8

ft th

ick

and

50 ft lo

ng

are

fo

und

alo

ng th

in,

go

ug

e-f

ille

d

nort

heast

-tre

ndin

g

shea

rs in

q

ua

rtz

monzo

nite

. Q

uart

z va

ries

from

mas

sive

to

vu

ggy

and

is

som

etim

es fr

actu

red

and

pow

dery

. M

inor

amou

nts

of

ma

lach

ite

are

in

vugg

y, lim

on

ite

-fille

d

qu

art

z ve

ins

at

the

fa

ce of

the

acc

ess

ible

adit.

Qua

rtz

mon

zoni

te is

overlain

by

a

lluviu

m.

Thr

ee adits to

tal

225

ft o

f de

velo

pmen

t, e

xclu

din

g

two

stop

ed

area

s an

d a

36 ft w

inze

. O

ther

wo

rkin

gs

incl

ude

a 1

2-f

t-

deep

shaft

and

a p

it.

U.S

. B

urea

u of

Min

es

pro

duct

ion

file

s

ind

ica

te th

at

183

tons

talc

w

ere

min

ed in

19

57.

Non

e.

Thr

ee

trench

es,

on

e adit,

one

cave

d adit,

one

shaft,

and

one

pit.

One

cave

d ad

it.

Two

adits

and

a pit

part

ly

expo

se

a n

ort

he

ast

- tr

endin

g

zone

fo

r 80

ft

on

a hills

ide.

The

low

er

adit is

11

3 ft lo

ng

; th

e

uppe

r a

dit w

as

pro

ba

bly

lo

ng

er,

b

ut

is

cave

d at

the

port

al.

A 6

0-f

t-lo

ng

, 4-f

t-deep

bulld

ozer

trench

.

An

est

ima

ted

18

,000

to

ns

of

ind

ica

ted

an

d in

ferr

ed

su

beco

nom

ic

reso

urc

es,

of

whi

ch

10 perc

ent

is

ste

atite

-gra

de

ta

lc,

is

pre

sent

alo

ng

the

co

nta

ct.

The

re is

a

hig

h p

ote

ntia

l fo

r a

dd

itio

na

l ta

lc

reso

urc

es

alo

ng

the

dolo

mite

-lim

est

one-

quart

zite co

nta

ct.

Two

sam

ples

co

nta

ined

no sig

nific

ant

valu

es.

Fiv

e ch

ip

and

two

sele

ct

sam

ples

; on

e sele

ct

sam

ple

of

the

shaft

dum

p co

nta

ine

d

0.0

6

oz

gold

p

er

ton,

the

oth

er

sam

ple

assa

yed

no

mor

e th

an

0.00

7 oz

gold

p

er

ton.

Thr

ee sele

ct

sam

ples

of

qu

art

z an

d g

ran

ite

ha

d 0

.03

, 0.0

4 a

nd 0

.21

oz

gold

p

er

ton.

One

ha

d 0

.2

oz silve

r p

er

ton.

Fiv

e

sam

ples

of

quart

z o

r sh

ear-

zone

mate

rial

from

th

e

low

er

adit c

on

tain

ed

as

m

uch

as

0.4

oz

silver

pe

r to

n.

A m

ala

chite

-sta

ined

sam

ple

from

th

e adit

face

co

nta

ine

d 0.1

6

perc

ent

cop

pe

r.

A ra

ndom

gr

ab

and

a sele

ct

sam

ple

of

qu

art

z fr

om

th

e

dum

p of

the

ca

ved

adit

had

0.0

8 a

nd

0.7

9 o

z gold

p

er

ton,

0.2

an

d 0

.6

oz silve

r pe

r to

n,

and

0.0

2

and

1.09

perc

ent

copper,

re

spectively

.

One

ch

ip

sam

ple

con

tain

ed

no

sig

nific

ant

valu

es.

Page 15: Steven W. Schmauch U.S. Bureau of Mines - USGSA chip sample from across the phyllite- dolomite contact contained no significant values. The quartz assayed 0.1 oz gold per ton and 0.3

Table

2. Summary o

f mi

nes

and

pros

pect

s In

the

Andr

ews

Mountain,

Mazourka,

and

Paiute R

oadl

ess Areas Continued

Map

No.______N

ame

Summary

Work

ings

and

prod

ucti

onRe

sour

ce/s

ampl

e data

69

Unknow

n I/

(14, 12

, T5

)

70

Mai

d of

Erin

N

os.

1-3

27

71

Bla

ckbird

01

72

Blu

e S

tone

T

alc

m

ine

73B

lack

La

dy

Nos

. 1

A 3

-in

.-th

ick,

jasp

ero

id q

ua

rtz

vein

w

ith

m

inor

amou

nts

of

epid

ote

, ch

ryso

co

lla,

and

ch

alc

op

yrite

is

in

a

nearly

ve

rtic

al

shea

r zo

ne str

ikin

g

N.

E.

in

quart

z m

onzo

nite

.

A 2

- to

4

-ft-

thic

k

quart

z ve

in in

a

3-

to

5-

ft-t

hic

k

shea

r zo

ne str

ikes

N.

45°

E.,

d

ips

70°

NW.

in

med

ium

-gra

ined

g

ran

od

iorite

. Th

e ve

in

conta

ins

dis

sem

inate

d ch

alc

op

yrite

an

d ha

s ch

ryso

colla

an

d m

ala

chite

sta

in.

Gra

ph

itic

sh

ale

s va

ry

in

thic

kne

ss

from

10

to

30

ft

and

are

inte

rbedded w

ith

bla

ck

horn

fels

. L

imo

nite

sta

in is

p

rese

nt

alo

ng fr

actu

res.

Irre

gula

r,

gra

da

tion

al

talc

bodie

s ar

e pre

sent

alo

ng

a 1

,20

0-f

t-lo

ng

se

gmen

t of

a 3-m

i-lo

ng

dolo

mite

quart

zite co

nta

ct.

The

rock

s str

ike

nort

h

and

dip

73

° W

. Tw

o p

ale

-gra

y-g

ree

n,

so

ft,

mas

sive

ta

lc

bodie

s a

re

2.9

and

10

ft th

ick

and

100

ft lo

ng.

The

ste

atite

-gra

de ta

lc lo

ca

lly

conta

ins

rock

fr

ag

me

nts

.

A 20

0-

to 300-f

t-th

ick,

carb

on-r

ich

mem

ber

of

the

R

est

Sp

rin

g

Sha

le

crops

out

in

Maz

ourk

a C

anyo

n fo

r 3

mi.

The

rock

s str

ike

nort

herly

and

dip

55

° SW

. An

X

-ra

y diffr

action

an

aly

sis

dete

rmin

ed th

at

som

e of

the

ca

rbon

w

as

amor

phou

s g

rap

hite

an

d th

at it is

pre

sent

as

a th

in fi1

mlik

e

smea

r on

th

e

sha

le.

Wor

king

s in

dic

ate

th

at

the

h

igh

er

grad

e le

nse

s ar

e 35

to

60

ft w

ide

and

80 to

14

0 ft lo

ng

.

One

10-f

t-di

amet

er p

it.

A pit

and

a 68-f

t-deep in

clin

ed

shaft w

ith

a 10-f

t-lo

ng d

rift

. U

.S.

Bur

eau

of

Min

es

pro

duct

ion

file

s

show

1

ton

of

ore

th

at

yie

lde

d

8 oz

silver

and

310

Ib

of

copper.

Six

bulld

ozer

cu

ts,

each

ave

ragin

g

60 ft

lo

ng

, 20

ft

wid

e,

and

5 ft

deep

, d

isp

lace

d

an

est

ima

ted

to

tal

of

1,80

0 to

ns

of

mate

rial.

On

the

so

uth

side of

a ca

nyon

th

ree

sh

ort

adits to

tal

92 ft.

Two

elo

ng

ate

glo

ry

hole

s,

34

and

43 ft lo

ng,

and

a 200-f

t-lo

ng

adit

are

on

th

e

no

rth

si

de.

A w

inze

, no

w

cave

d,

conn

ecte

d th

e

adit w

ith

th

e lo

west

glo

ry h

ole

. E

ight

hund

red

tons

of

ste

atite

ta

lc

wer

e m

ined

in

th

e

19

40

's

(Pag

e,

1951

, p.

32

an

d C

hid

est

er

and

oth

ers

, 19

64,

p.

27

-61

).

The

re

are

tw

o bulld

oze

r w

ork

ing

s,

2,00

0 ft a

pa

rt.

One

is

80

ft

long,

35 ft w

ide,

and

32 ft

deep

; th

e o

the

r is

14

0 ft lo

ng,

60 ft w

ide,

and

5 ft

deep

. P

roduct

ion

has

been

in

term

itte

nt

ove

r th

e la

st

20 y

ea

rs.

At

one

poin

t,

130

tons

a m

onth

wer

e sh

ipped.

Est

imate

s ba

sed

on

the

si

zes

of

the

w

ork

ing

s in

dic

ate

a

bo

ut

5,00

0 to

ns

cou

ld

have

be

en

rem

oved

.

A gr

ab

sam

ple

of

jaspero

id q

ua

rtz

assa

yed

1.4

oz

silver

pe

r to

n.

A to

tal

of

2,00

0 to

ns

of

ind

ica

ted

an

d in

ferr

ed

su

beco

nom

ic

reso

urc

es

has

a w

eig

hte

d

aver

age

grad

e of

0.0

4 o

z g

old

p

er

ton.

Eig

ht

chip

sa

mpl

es

aver

age

1.1

3 perc

ent

tota

l ca

rbon

an

d 6.

97

pe

rce

nt

mois

ture

an

d vola

tile

s.

The

mo

istu

re

and

vola

tile

co

nte

nt

is

too

hig

h

and

the

gr

ade

too

lo

w to

be

co

nsi

de

red

a

gra

phite

re

sou

rce

.

Bot

h ta

lc

bodi

es in

dic

ate

pin

chin

g o

ut

at

dept

h an

d alo

ng str

ike.

A to

tal

of

4,20

0 to

ns

of

ind

ica

ted

an

d in

ferr

ed

ste

atite

- an

d nonst

eatit

e-g

rade ta

lc

is

est

imate

d.

If

1 perc

ent

of

the

3-m

i-lo

ng,

200-f

t-

thic

k

zone

w

as sim

ilarly m

inera

lized

for

a do

wnd

ip

dis

tan

ce of

200

ft,

then

a

bo

ut

500,

000

tons

of

infe

rre

d

sube

cono

mic

gra

phite

re

sou

rce

s re

main

. Th

e pe

rcen

tage

s of

mo

istu

re

and

vola

tile

co

nte

nt

are

too

hig

h

and

the

flake

size

an

d perc

ent

gra

phite

to

o

smal

l fo

r m

ost

uses

of

gra

ph

ite

. H

owev

er,

the

d

ep

osi

t m

ay

be

in

dem

and

for

limite

d

use

s,

such

as

lu

brica

tin

g

runners

an

d n

ozz

le

blo

cks

in

steel

mills

.

Page 16: Steven W. Schmauch U.S. Bureau of Mines - USGSA chip sample from across the phyllite- dolomite contact contained no significant values. The quartz assayed 0.1 oz gold per ton and 0.3

Table

2. S

umma

ry o

f mi

nes

and

pros

pect

s in

the

Andrews

Mountain,

Mazourka,

and

Paiute Road

less

Areas Continued

Map

N

o.

74

Nam

e

Luci

lie's

Lu

cky

Sta

r

Sum

mar

y

Poorly

sort

ed

, sa

nd

-to

-bo

uld

er-

size

ch

ert

an

d g

ran

itic

allu

vium

ove

rlie

cl

ay

ston

e in

a

pale

o-

stre

am c

hann

el .

Wor

king

s an

d pro

duct

ion

One

73-f

t-lo

ng adit

and

one

13-

ft-long

open

cut.

Res

ourc

e/sa

mpl

e da

ta

Fou

r sa

mpl

es

con

tain

ed

no

sig

nific

ant

valu

es.

75 76

Asbestos N

o.

1

Gray E

agle

Talc

77Ju

lia

R. No

s.

1-3

78 79

Barr

el Sp

ring

s group

(placer)

Copp

er E

mpir

e group

Disc

onti

nuou

s, thin q

uart

z ve

ins

strike N

. 10

° 20°

W. an

d di

p vertically in

gray

quartzite.

to

Poorly

expo

sed

talc

ose

bo

dies

as

m

uch

as

100

ft

long

and

17 ft t

hic

k

are

alo

ng

a q

ua

rtzite

-do

lom

ite

co

nta

ct.

The

rock

s str

ike

n

ort

h,

dip

5

0°-

80

° w

este

rly,

and

are

expo

sed

for

ab

ou

t 3

mi

in

Maz

ourk

a C

anyo

n.

Ma

gn

esi

um

-de

ficie

nt

do

lom

ite is

p

reva

len

t w

ithin

th

e ta

lcose

b

od

ies,

an

d little

if

any

sig

nific

ant

ste

atite

-gra

de ta

lc

was

fo

rmed

.

The

cou

ntr

y ro

ck

is

mas

sive

, sili

ce

ou

s,

bla

ck

spotted horn

fels

. R

egio

nal

trend is

nort

herly

with

st

eep

west

erly

dip

s.

Info

rmatio

n

he

ld co

nfid

en

tia

l by

ow

ner.

Six

ta

ctite

bodie

s a

re

pre

sent

alo

ng

a 2-

mi

segm

ent

of

an

igneous-

sedim

enta

ry

rock

co

nta

ct

or

in

sed

ime

nta

ry

rock

s w

ithin

0

.5 m

i to

th

e e

ast

, g

rad

atio

na

l le

nslik

e

bodi

es

rang

e fr

om

30

to

60 ft

thic

k

and

180

to 8

00 f

t lo

ng

. S

ever

al

mor

e p

ers

ista

nt

band

s of

tactite

cr

op

o

ut

in

a zo

ne

100

to

150

ft w

ide

in

one

area

only

. M

ala

chite

an

d ch

ryso

colla

sta

in

and

fra

ctu

re fillin

g is

co

mm

on.

Hig

h gr

ade

len

ses

in

the

ta

ctite

a

re

1 to

6

ft

thic

k,

usu

ally

le

ss

than

20

ft

long,

and

com

pose

10

to

50

perc

ent

of

the

ro

ck.

Thes

e le

nse

s als

o

conta

in fin

e

to

coar

se

ble

bs

of

ch

alc

op

yrite

. A

majo

r n

ort

h-t

ren

din

g

shea

r zo

ne

has

two

smal

l fr

actu

red

ar

eas

filled w

ith

ch

ryso

co

lla.

It

appe

ars

tha

t th

is fa

ult cu

ts o

ff

the

copper-

m

inera

lized

zone

to

th

e east

.

Fou

r pits.

A bulld

oze

r-m

ade

benc

h cu

t is

14

0 ft

long w

ith

a

20

-ft-

hig

h

headw

all.

O

ther

w

ork

ings

are

seve

n pits

and

a 40-f

t-lo

ng

adit.

One

sm

all

pit in

allu

viu

m.

Six

tee

n adits to

tallin

g

ab

ou

t 90

0 ft,

fou

r sh

afts

with

a

com

bine

d de

pth

of

60 ft,

62 pits

and

trench

es,

an

d tw

o ca

ved

ad

its.

The

longest

adit w

as

ab

ou

t 20

0 ft.

Abo

ut

500

tons

of

hand

-.so

rted

ta

ctite

a

vera

gin

g

3 p

erc

en

t co

pper

wer

e pr

oduc

ed in

19

17

(She

ahan

an

d S

tager,

19

54,

p.

5).

Two

chip

sa

mpl

es

and

two

grab

sa

mpl

es

did

n

ot

show

any

sig

nific

ant

min

era

l va

lue

s.

The

ad

it

and

benc

h cu

t ar

ea

is

est

ima

ted

to

co

nta

in

38,0

00 t

on

s of

infe

rred

sube

cono

mic

re

sou

rce

s of

no

nste

atite

- gr

ade

talc

.

Tw

elve

ra

ndom

ch

ip

and

grab

sa

mpl

es,

each

co

vering

a 100-f

t-lo

ng,

60

-ft-

w

ide

are

a,

wer

e ta

ken

in

the

dis

cove

ry

area

of

two

cla

ims.

Tw

o of

the

sam

ples

as

saye

d 0.0

4 a

nd 0

.14 o

z gold

p

er

ton

an

d 3

.4 a

nd

1.2

oz silver

pe

r to

n,

respectively

. Th

e ow

ner

rep

ort

ed

pla

tinum

-gro

up m

eta

ls,

bu

t no

ne

wer

e d

ete

cte

d in

th

ese

sam

ples

.

Fou

r of

the

six

ta

ctite

b

od

ies

are

e

stim

ate

d to

ha

ve

a to

tal

of

460,

000

ton

s of

ind

ica

ted

and

in

ferr

ed

su

beco

nom

ic

reso

urc

es.

Th

e w

eig

hte

d

aver

age

grad

e is

0.4

3 p

erc

ent

copp

er

and

0.0

9 o

z silver

pe

r to

n.

Two

oth

er

tactite

bodie

s co

nta

in

len

ses

of

sim

ilar

co

pp

er-

silv

er

conte

nt,

b

ut

expo

sure

s w

ere

too

po

or to

dete

rmin

e

reso

urc

es.

In

a

dd

itio

n,

3,90

0 to

ns

from

tw

o w

ide

ly

spac

ed m

inera

lized

segm

ents

of

the

m

ajo

r sh

ear

zone

av

erag

e 2.

56

perc

ent

copp

er

and

0.2

7

oz silve

r p

er

ton.

Page 17: Steven W. Schmauch U.S. Bureau of Mines - USGSA chip sample from across the phyllite- dolomite contact contained no significant values. The quartz assayed 0.1 oz gold per ton and 0.3

Table

2. S

umma

ry o

f mines

and

prospects

in t

he A

ndre

ws M

ountain, M

azou

rka,

an

d Pa

iute

Roadless Ar

eas

Cont

inue

d

Map

No.

Name

Summary

Workings a

nd

production

Reso

urce

/sam

ple

data

80G

old

Ra

bb

it 2/

81 82 83

Elk

horn

N

os.

1-8

(pla

ce

r)

NRA

Jackrabbit

84 85 86

Gol

d S

eal

Se

ven

ty-M

ine

r N

os.

1 an

d 2

(pla

ce

r)

Phil

day

Lode

A 1.5

- to

5

.5-f

t-th

ick

shea

r zo

ne in

q

ua

rtz

mon

zoni

te

tre

nd

s n

ort

h-n

ort

he

ast

and

is part

ly

expo

sed

for

400

ft.

Gou

ge,

sericite,

and

dis

contin

uous

quart

z str

ing

ers

an

d ve

ins

as th

ick

as

0.5

ft fill

the

sh

ear

zone

. L

imonite

an

d dis

sem

inate

d pyrite

a

re

ass

oci

ate

d

with

th

e

qu

art

z.

A w

est

-tre

nd

ing

in

term

itte

nt-

str

ea

m dra

inage

in

qu

art

z m

onzo

nite

ha

s a

llu

via

l a

ccu

mu

latio

ns

as

muc

h as

40

ft w

ide,

200

ft lo

ng

, an

d 2

ft

deep

. A

1.5-

mi

segm

ent

of

stre

am

dra

inage

has

an

est

ima

ted

7,

000

yd^

of

allu

viu

m.

Abu

ndan

t ja

sp

ero

id a

sso

cia

ted

with

an

8

- to

1

2-in

.-

thic

k,

no

rth

ea

st-

tre

nd

ing

quart

z ve

in in

q

ua

rtz

monzo

nite

.

Qua

rtz

fissu

re

vein

s an

d po

ds

occu

py nort

h-t

rendin

g

join

ts

in

deeply

wea

ther

ed q

ua

rtz

monzo

nite

. E

xpos

ed

vein

s an

d po

ds w

ere

as

long

as

12 ft

and

had

an

aver

age

thic

kne

ss of

3 to

4

in.

The

vein

s ha

ve

spar

se 0

.25

-in

.-d

iam

ete

r po

ds of

ch

alc

op

yrite

an

d m

ala

chite

.

Wea

ther

ed,

deco

mpo

sed

quart

z m

onzo

nite

ha

s as

m

uch

as

10 p

erc

en

t h

airlin

e fr

actu

res fille

d w

ith

limo

nite

an

d sp

arse

quart

z po

ds.

Info

rmatio

n

held

co

nfid

en

tia

l by

ow

ner.

A poorly

defin

ed 2

- to

5

-ft-

thic

k

shea

r zo

ne

str

ikes

N.

72°

E.,

d

ips

77°

SE

., an

d is

part

ly

expo

sed

for

165

ft in

quart

z m

onzo

nite

. S

catt

ere

d

ble

bs

of

ch

alc

op

yrite

an

d fr

actu

re

fillin

gs of

chry

soco

lla

are

foun

d alo

ng str

uctu

re

mar

gins

an

d in

silic

ifie

d c

ountr

y-ro

ck

pods

within

a

cla

y-g

ou

ge

matr

ix.

The

larg

est

min

era

lized

pod

is

3 ft th

ick

and

12 ft lo

ng

.

Two

15

-ft-

de

ep

sh

afts

and

one

pit.

Tw

elve

tr

en

che

s,

40 to

20

0 ft

long,

and

22 pits.

Two

tre

nch

es.

An

11

-ft-

de

ep

ve

rtic

al

shaft is

at

the

sout

h en

d of

a 20-f

t-lo

ng

open

cu

t th

at

trends

N.

28°

E.

A 3

1-f

t-

lon

g 2

declin

e,

whi

ch

begi

ns at

the

bo

ttom

of

the

shaft,

bear

s S

. 13

C E

.

Two

shallo

w pits.

A 5

6-f

t-lo

ng

, 1

3-f

t-d

ee

p

tre

nch

, an

d fo

ur

shallo

w

bulld

ozer

tre

nch

es

ran

gin

g

from

20

to

111

ft lo

ng

.

The

area

be

twee

n th

e

two

shafts

con

tain

4,

300

ton

s of

rock

w

ith

an

aver

age

of

0.0

3

oz

gold

per

ton.

Thirty

-four

sam

ples

co

nta

ine

d

no

sig

nific

ant

valu

es.

Two

chip

sa

mpl

es of

jasp

ero

id

and

quart

z ha

d no

sig

nific

ant

valu

es.

Fou

r ch

ip

sam

ples

fr

om

th

e shaft

and

decl

ine

rang

ed

from

0

.03

to

0.

17

oz

gold

pe

r to

n,

0.1

7 to

1

.12

perc

ent

cop

pe

r,

and

as

muc

h as

0

.4 o

z silver

pe

r to

n.

One

sa

mpl

e fr

om a

0.5

-ton

quart

z sto

ckp

ile

had

0.5

5 o

z gold

p

er

ton,

0.5

oz

silve

r p

er

ton,

and

0.3

3 p

erc

ent

cop

pe

r.

One

ch

ip

and

one

se

lect

sam

ple

con

tain

ed

no

sig

nific

ant

valu

es.

Thr

ee of

the

n

ine

sa

mpl

es,

all

from

th

e

56-f

t-lo

ng

tre

nch

are

a,

had

sig

nific

ant

min

era

l va

lue

s.

Gol

d,

silve

r,

and

copp

er va

lue

s fr

om

tw

o sele

ct

sam

ples

an

d on

e ch

ip

sam

ple

wer

e:

1.8

3,

0.0

2,

and

0.3

8 o

z gold

p

er

ton;

1.3

, 0.2

, an

d 0

.2

oz silver

pe

r to

n;

6.1

, 0

.61

, an

d 9

.0 p

erc

ent

cop

pe

r,

respectively

.

Page 18: Steven W. Schmauch U.S. Bureau of Mines - USGSA chip sample from across the phyllite- dolomite contact contained no significant values. The quartz assayed 0.1 oz gold per ton and 0.3

Table

2. S

umma

ry o

f mines

and

pros

pect

s in

the A

ndre

ws M

ountain, Mazourka,

and

Paiu

te R

oadl

ess

Areas Continued

Map

No.

Name

Summary

Work

ings

and

prod

ucti

onRe

sour

ce/s

ampl

e data

87

Talc

o White

to g

reen l

imes

tone

and a

rgil

lite

strike

N. 30°

E.,

dip

70°

SE.

Alte

red

argi

llit

e is

slightly

talcose.

88

Hi dde

n Val1ey

Irre

gula

rly

shap

ed p

ods

and

lenses o

f platy, specular

Nos. I^EThematite c

rop

out

at a

lim

esto

ne-q

uart

z mo

nzon

ite

cont

act.

The

larg

est

pod

is 1

05 f

t long b

y 35 f

t wi

de;

the

long

est

lens i

s 11

0 ft l

ong

and

aver

ages

1.3

ft t

hick.

Thir

teen

oth

er s

mall lenses a

verage

11 f

t long b

y 3

ft w

ide.

As

soci

ated

with

the

hematite a

re m

inor a

mounts o

f ma

gnet

ite,

limonite,

pyrite,

and

quar

tz.

89

Joe

Diaz

Northeast-trending c

herty

limestone

and

dark

green

argi

llit

e ar

e cr

ossc

ut b

y a

few, sm

all

quartz

vein

s.

A 10-in.-thick q

uart

z vein e

xpos

ed i

n a

pit

contains b

lebs

, st

ring

ers, and

diss

emin

ated

gale

na,

chal

copy

rite

, ma

lachite, and

azurite.

90

Mexican

Silv

er

A 5-

ft-t

hick

zone

of si

lici

fied

lim

esto

neco

ntai

ning

abundant

quartz v

einlets

is b

ound

ed o

n th

e east b

y a

2- t

o 4-in.-th

ick

shear

zone

. It

s le

ngth

is

not

traceable

beyo

nd t

he w

orki

ng.

Blebs

and

disseminated g

alena

are

pres

ent

thro

ugho

ut t

he z

one

but

are

conc

entr

ated

at

a po

orly

defined f

ootw

all.

Mineralized

rock in

the

dump

als

o has

mala

chit

e stain.

91

Susan

No.

1 White

to p

ale-green

talcose

argillite.

92

Hawkeye

^ Gray-

to w

lrit

e- b

anded

dolo

mite h

as b

een

intruded

by m

edium-grained

quar

tz m

onzonite.

93

Unknown

I/

A small

area

o.f c

hert

y li

mestone

has

been b

leached

(32, 12,~36)

near

ly w

hite

. Qu

artz

flo

at c

ontaining

diss

emin

ated

py

rite

is

found

in t

he b

leac

hed

area

.

One

sha

llow

pit.

An adit

110

ft l

on

g,

a 10-f

t-

deep

sh

aft,

and

seve

ral

shal

low

b

ulld

oze

r sc

rape

s as

lo

ng a

s 90

ft.

U.S

. B

urea

u of

Min

es

prod

uctio

n re

cord

s sh

ow th

at

29 t

ons

con

tain

ing

49

oz silv

er

and

2,84

5 Ib

of

copp

er w

ere

prod

uced

in

19

18.

A 162-f

t-lo

ng c

ross

cut

adit

and

a sm

all

pit.

One

1

4-f

t-d

ee

p sh

aft.

A sm

all

pit.

Two

bull

doze

r cuts,

as m

uch

as 8

0 ft l

ong

and

5 ft d

eep.

A 13

-ft-

long

tre

nch.

A ch

ip s

ample

cont

aine

d a

trac

e of g

old.

The

amou

nt o

f ta

lc w

as in

sign

ific

ant.

The

largest

lens a

nd p

od a

re e

stim

ated

to c

onta

in 2

3,00

0 of t

he 2

5,00

0 to

ns

of h

ematite-rich r

ock.

An

additional

1,80

0 to

ns a

re p

rese

nt i

n sm

alle

r le

nses

or

pods

. Th

e av

erag

e gr

ade,

43

.5 p

ercent i

ron, is

marginal

and

tonnage

is sm

all.

No

ne o

f th

e sa

mple

s co

ntai

ned

significant

silver o

r co

pper

.

A se

lect

sample

of q

uart

z fr

om a

sm

all

stoc

kpil

e ne

ar a

pit

had

2.7

8 oz

sil

ver

per

ton, 10.5 p

erce

nt l

ead,

an

d 2.

5 pe

rcen

t copper.

Four

chip

samp

les

from

the

adi

t co

ntai

ned

no

significant

values.

A select s

ample

from

the

dump

had

0.01 o

z go

ld p

er t

on,

0.9

oz s

ilver

per

ton, 0.48 p

erce

nt c

opper, an

d 8.88

perc

ent

lead.

A ch

ip sample f

rom

across t

he s

hear

zone

and

silicified

lime

ston

e ha

d 0.

3 oz

silver p

er t

on,

0.02

per

cent

copper, an

d 0.67 p

erce

nt

lead

.

One

chip

sample c

onta

ined

no

significant

values.

Two

rand

om g

rab

samples

from

the

wo

rkin

gs c

onta

ined

no

significant

valu

es.

A grab sa

mple

of

quartz a

nd s

ome

sili

ceou

s li

mest

one

cont

aine

d no

significant

valu

es.

Page 19: Steven W. Schmauch U.S. Bureau of Mines - USGSA chip sample from across the phyllite- dolomite contact contained no significant values. The quartz assayed 0.1 oz gold per ton and 0.3

Tab

le 2

. Sum

mar

y of

min

es a

nd p

rosp

ects

in

the

And

rew

s M

ount

ain,

M

azou

rka,

an

d P

aiut

e R

oadl

ess

Are

as C

onti

nued

Map

N

o.Na

meSu

mm

ary

Wor

king

s an

d pr

oduc

tion

Res

ourc

e/sa

mpl

e da

ta

94

Nev

ada

Que

en

Nor

th-s

trik

ing,

al

tern

atin

g l

imes

tone

and

quar

tzit

e be

ds h

ave

been

int

rude

d by

a l

ampr

ophy

re d

ike.

Ra

ndom

, m

inut

e sh

ears

are

pre

sent

at

sedi

men

tary

co

ntac

ts a

nd c

onta

in d

isse

min

ated

pyri

te,

gale

na,

mal

achi

te,

and

min

or v

einle

ts o

f si

der

ite-

calc

ite.

95

96

Squares

Tunnel

(placer)

Buckeye

Nos.

1 and

2 (p

lace

r)

97

Will

min

gto

n

Info

rmat

ion

held

con

fide

ntia

l by

ow

ner.

Info

rmat

ion

held

con

fide

ntia

l by

ow

ner.

Thin

lim

esto

ne st

rata

are

int

erbe

dded

with

q

uar

tzit

e.

Som

e li

mes

tone

has

st

rin

ger

s of

as

best

os,

quar

tz,

and

chal

cedo

ny.

Mal

achi

te

and

chry

soco

lla

stai

n fr

actu

red

quar

tzit

e at

one

ou

tcro

p.

98

Fla

pjac

k N

o.

1 A

4- t

o 5-f

t-th

ick,

nort

hwes

t-tr

endi

ng s

hear

zon

e in

lim

esto

ne c

onta

ins

goug

e,

pyri

te,

epid

ote,

ch

lori

te,

iron

oxi

de,

calc

ite,

an

d ch

alce

dony

.

99

Bir

thda

y N

os.

Hig

hly

irre

gula

r sh

ear

zone

s ar

e tr

acea

ble

for

1-4

0>5

mi-

a]on

g an

eas

t-tr

endi

ng f

ault

that

diss

ects

an

over

turn

ed a

nti

clin

e, w

hich

plu

nges

50

-70°

SW

. Th

e li

mes

tone

and

dol

omite

str

ike

nort

h an

d ar

e lo

call

y r

ecry

stal

lize

d.

The

larg

est

shea

r zo

ne is

50

ft

long

and

1

to 3

ft

thic

k; m

ost

othe

rs a

re c

onsi

dera

bly

smal

ler.

So

me

lim

onit

e-

goug

e-fi

lled

zon

es c

onta

in f

inel

y di

ssem

inat

ed,

oxid

ized

gal

ena,

mal

achi

te,

and

chry

soco

lla

bleb

s.

One

18-f

t-de

ep s

haf

t,

four

pit

s,

and

a 6-

ft-l

ong

adit

.

Five

pit

s,

a tr

ench

, an

d on

e 32

-ft-

long

adit

with

30

ft o

f d

rift

.

One

adit

22

ft l

ong.

Seve

n ad

its,

tw

o w

ith w

inze

s 21

an

d 18

ft

deep

, to

tal

218

ft o

f un

derg

roun

d de

velo

pmen

t. O

ther

w

orki

ngs

incl

ude

a 33

-ft-

deep

sh

aft

and

thre

e pit

s.

U.S

. B

urea

u of

Min

es p

rodu

ctio

n fi

les

show

that

in

1912

and

19

13 t

his

pro

pert

y pr

oduc

ed

a to

tal

of 4

ton

s, w

hich

co

ntai

ned

2 oz

gol

d,

26 o

z si

lver

, 32

Ib

copp

er,

and

485

Ib

lead

.

Two

chip

sam

ples

fro

m s

hear

zon

es

cont

aine

d a

trac

e of

gol

d an

d co

pper

, an

d on

e ha

d 0.

7 oz

sil

ver

per

ton

. Se

ven

rand

om o

r se

lect

sam

ples

co

ntai

ned

a tr

ace

of

gold

and

a t

race

to

0.8

2 pe

rcen

t co

pper

; fi

ve

had

0.9

to 4

.5 o

z si

lver

per

ton

.

Twel

ve s

ampl

es w

ere

take

n.

A se

lect

sa

mpl

e ha

d 3.

3 oz

si

lver

per

ton

, 5.

9 pe

rcen

t co

pper

, an

d 0.

11 p

erce

nt

mol

ybde

num

. A

rand

om g

rab

sam

ple

from

a

near

by t

renc

h ha

d 0.

49 p

erce

nt c

oppe

r.

A du

mp

sam

ple

from

the

adit

con

tain

ed

0.5

oz si

lver

per

ton

. Th

e ot

her

nine

sa

mpl

es c

onta

ined

tra

ces

of g

old

and

copp

er.

Thr

ee c

hip

sam

ples

fro

m a

cros

s th

e sh

ear

zone

and

a g

rab

sam

ple

from

th

e du

mp

cont

aine

d no

sig

nif

ican

t va

lues

.

Six

of t

wen

ty c

hip

sam

ples

fro

m

goug

e- a

nd l

imo

nit

e-fi

lled

she

ar z

ones

ha

d fr

om 0

.01

to 0

.06

oz g

old

per

ton,

0.

1 to

1.

2 oz

sil

ver

per

ton

, an

d 0.

01 t

o 0.

15 p

erce

nt c

oppe

r.

Two

sele

ct s

ampl

es,

repr

esen

ting

les

s th

an

2 to

ns,

had

0.14

and

0.1

5 oz

gol

d pe

r to

n,

3.3

and

14.1

oz

silv

er p

er t

on,

0.77

and

1.2

per

cent

cop

per,

6.

9 an

d 18

.8 p

erce

nt l

ead,

an

d 0.

25 t

o 4.

1 pe

rcen

t zi

nc.

Page 20: Steven W. Schmauch U.S. Bureau of Mines - USGSA chip sample from across the phyllite- dolomite contact contained no significant values. The quartz assayed 0.1 oz gold per ton and 0.3

Table

2. Summary o

f mi

nes

and

pros

pect

s in t

he A

ndre

ws M

ount

ain,

Mazourka,

and

Paiute R

oadl

ess Areas Continued

Map No

.___

_Nam

eSu

mmary

Work

ings

and

prod

ucti

onResource/sample

data

100

Cond

or N

o.

1

101

Unk

now

n I/

(4,

13,

16

)

102

Dol

omite

N

os.

1-8

103

Mon

onga

hela

104

Broa

dway

A 10

0-

by 300-f

t ar

ea of

fra

ctu

red

dolo

mite

h

ost

s se

vera

l d

isco

ntin

uo

us

no

rth

ea

st-

to

nort

hw

est

- tr

en

din

g

shea

r zo

nes.

Th

e la

rge

st

is

63 ft

long

and

aver

ages

a

bo

ut

1.0

ft th

ick.

Lim

on

ite

-sid

erite

po

ds

1 to

4 ft lo

ng

an

d 0

.5 to

1

.5 ft

th

ick

are

min

era

lized w

ith

h

igh

ly o

xid

ize

d

lead

and

zin

c m

ine

rals

an

d st

ain

ed

with

m

ala

chite

. Th

e po

ds

are

confin

ed to

th

e

shea

r zo

nes.

A 1-f

t-th

ick,

limo

nite

-sta

ine

d

shea

r zo

ne str

ike

s

due

no

rth

an

d dip

s 45

° W

. in

lim

est

on

e.

Bright

sugary

-white

, be

dded

d

olo

mite

str

ike

s

N.

20°

E.

and

dip

s nearly

ve

rtic

ally.

The

dolo

mite

is

h

igh

ly fr

actu

red

an

d is

in

terc

ala

ted

betw

een

lime

sto

ne

be

ds.

The

owne

rs re

port

th

e m

ate

ria

l w

as

used

to

su

rface

lo

cal

roa

ds.

A lim

on

ite

- an

d m

anga

nese

-sta

ined

, w

hite

to

g

ray,

vu

ggy

qu

art

z ve

in is

a

bo

ut

1 ft

th

ick,

str

ike

s

N.

31°

W.,

and

dip

s ve

rtic

ally

in

a sh

ear

zone

in

lim

est

on

e.

The

qu

art

z,

whi

ch is

ex

pose

d fo

r 8

ft,

conta

ins

gale

na,

ma

lach

ite,

and

ch

ryso

co

lla.

An 8

- to

1

6-f

t-th

ick

limonite

zone

th

at

is

expo

sed

for

37 ft

und

ergr

ound

str

ikes

N.

27°

W.

to

due

no

rth

, dip

s fr

om

49°

to

72

° S

W.,

and

is

ab

ou

t 20

ft

sout

h of

the

q

ua

rtz

vein

.

Thin

ly

bedd

ed

lime

sto

ne

ha

s be

en

intr

ud

ed

by

quart

z m

onzo

nite

. Th

e altere

d,

shea

red

con

tact

zon

e va

ries

from

3

to

15 ft w

ide

and

is

expo

sed

for

ab

ou

t 0.

33 m

i alo

ng its

N.

10°

W.

str

ike

. Th

e altere

d

area

s of

the

co

nta

ct c

on

sis

t of

goug

e,

qu

art

z,

yello

w-b

row

n

cha

lce

do

ny,

m

agnetit

e,

and

iro

n

oxi

des.

A 5

0-f

t-lo

ng

op

en cu

t le

ads

to

a 1

0-f

t-lo

ng

adit;

two

conve

rgin

g

10

-ft-

de

ep

sh

afts

form

a

sin

gle

50-f

t-deep shaft.

Oth

er w

ork

ing

s in

clude

two

adits th

at

are

63

an

d 75

ft

long

and

fou

r sh

allo

w pits.

One

1

8-f

t-d

ee

p in

clin

ed

shaft.

One

a

dit

110

ft

long w

ith

70

ft of

drifts

and

a sm

all

open

p

it.

One

a

dit

37 ft

lon

g,

one

pit

8 ft

deep

, an

d tw

o ca

ved

ad

its.

One

pit.

Nine

teen

chi

p, ra

ndom

chi

p, or

select

samp

les

were

col

lect

ed f

rom

dolo

mite

, sh

ear

zones, an

d li

moni

te po

ds.

Five

ch

ip samples

from

the

sh

ear

zones

cont

aine

d 0.

8 to 4

.0 o

z silver p

er t

on,

4.9

to 3

1.0

perc

ent

zinc

, 0.51 t

o 0.

89

perc

ent

lead

, an

d as

much

as 0

.47

perc

ent

copper.

Five s

elect

samples

of s

tock

pile

s as

saye

d from 0

.5 t

o 25

oz silver p

er t

on,

1.82 t

o 20 p

erce

nt

lead

, 6.

0 to 1

9 pe

rcen

t zinc,

and

0.11 t

o 0.

75 p

erce

nt c

opper.

Two

chip

samples

from

the

she

ar z

one

cont

aine

d no s

ignificant v

alues.

A grab s

ample

from

the

dump

cont

aine

d 0.

6 oz

sil

ver

per

ton.

Two

grab

sa

mple

s of d

olom

ite

had

as m

uch

as 2

9.3

percent

calc

ium

oxid

e an

d 25.0

percent

magn

esiu

m oxide.

Seve

n samples

were

tak

en.

A select

sample o

f qu

artz

fro

m a

stoc

kpil

e at

the

pi

t ha

d 0.

04 o

z gold p

er t

on,

5.2

oz

silv

er p

er t

on,

0.55

per

cent

cop

per,

an

d 5.

50 p

erce

nt l

ead.

A ra

ndom

chi

p sample f

rom

the

same

sto

ckpi

le h

ad 0

.04

oz g

old

per

ton, 9.

0 oz

silver p

er t

on,

0.20

per

cent

cop

per,

an

d 13

.00

perc

ent

lead

. Of

five g

ossan

samples, three

had

a tr

ace

of g

old,

three

had

0.2

to 0

.4

oz si

lver

per

ton

, 0.

05 p

erce

nt c

oppe

r,

and

one

had

0.45

per

cent

lea

d.

Four

chi

p samples

and

one

grab sa

mple

we

re t

aken

fro

m a 76

-ft-

long

par

t of

the

al

tered

contact

zone

. Th

e sa

mple

s co

ntai

ned

traces o

f go

ld,

zinc', an

d co

pper

; on

e sample a

lso

assa

yed

0.5

oz

silver p

er t

on.

Page 21: Steven W. Schmauch U.S. Bureau of Mines - USGSA chip sample from across the phyllite- dolomite contact contained no significant values. The quartz assayed 0.1 oz gold per ton and 0.3

Tab

le

2. S

umm

ary

of

min

es

and

pros

pect

s in

th

e A

ndre

ws

Mou

ntai

n,

Maz

ourk

a,

and

Pai

ute

Roa

dles

s A

rea

s C

on

tinu

ed

Map

N

o.__

__N

ame

Sum

mar

yWo

rkin

gs a

nd

production

Reso

urce

/sam

ple

data

105

Old

Sold

ier

106

Black

Eagle

Mine

107

Alhambra

108

Omeg

a

109

Clifford

High

ly f

ractured q

uartzite.

Frac

ture

s fi

lled

with

microcrystalline q

uart

z, calcite, an

d tu

rgit

e.

The

main

qua

rtz

vein

strikes N

. 45

°-50

° E.

and

dips

vert

ical

ly t

o 70°

SE.

in q

uartz

monzonite

near a

limestone

cont

act.

The

vein a

vera

ges

2.6

ft t

hick,

and

is e

xpos

ed u

nder

ground f

or 3

40 f

t al

ong

strike.

Quartz i

s continuous d

owndip for

about

250

ft,

but

it g

radually f

orms

lenses

and

pods w

ithi

n a

gouge-

filled s

hear z

one.

Bands

and

streaks

of l

imon

ite

and

hematite,

along

with

fine

diss

emin

atio

ns,

smal

l ag

greg

ates

, an

d hairline-fracture

fill

ings

of

free

gold

and

pyr

ite

are

in t

he q

uart

z.

One

hund

red

feet

from

either

side

of

the

main

vein, two

smaller

subp

aral

lel

quartz v

eins a

re p

artly

trac

eabl

e for

120

and

180

ft.

Vein t

hicknesses a

re a

bout

3.5 a

nd

1.6

ft,

resp

ecti

vely

.

An iron-stained q

uart

z vein

1 to 2

ft

thick, st

rike

s N.

28°

W.,

dips

steeply

southwest

and

northeast, and

extends

for

110

ft i

n qu

artz

mon

zoni

te.

A pr

obab

le x

enolith

of e

pidote-garnet-quartz-

trem

olit

e-be

arin

g do

lomi

te 2

0 ft w

ide

and

30 f

t long is

in

quartz m

onzo

nite

. Az

urit

e, m

alac

hite

, an

d ch

ryso

coll

a stain

and

coat t

he f

ractured,

part

ly a

ssimilated x

enol

ith.

Ab

out

10 t

ons

of t

he

most

hig

hly

copp

er-m

iner

aliz

ed m

ater

ial

has

been

hand

sorted.

A 4.

5- t

o 9.4-ft-thick

, gouge-filled s

hear z

one

strikes

northeast, se

parating l

imes

tone

and s

hale

from q

uartz

monzonite

for

150

ft.

Marg

ins

of t

he

shear

zone l

ocally a

re f

ille

d wi

th m

ulti

colo

red

jasper.

One

pit.

The

mai

n w

orki

ng is

a

308-f

t-

deep

sh

aft w

ith

1,66

0 ft o

f drifts

on six

le

vels

. Tw

o st

opes

al

ong

the

mai

n ve

in

open

to

th

e su

rface

. O

ther

ne

arby

wor

king

s in

clude f

our

sha

fts

with

24

0 ft o

f d

rift

s,

two

sha

fts

18 a

nd 4

4 ft

de

ep,

two

trench

es,

an

d five

pits.

An

unkn

own

amou

nt o

f or

e w

as

prod

uced

fro

m 1

883

to

1900

. Fr

om 1

901

to

1950

abo

ut 2

,476

to

ns y

ield

ed

1,

070.

4 oz

go

ld,

6,83

8 oz

silv

er,

64

1 Ib

cop

per,

an

d 4,

136

Ib

lead

(U

.S.

Bur

eau

of

Min

es p

rod

uct

ion

re

cord

s).

Thre

e tr

ench

es to

tal

165

ft.

In

the

mid

dle

tren

ch

an

incl

ine

d sh

aft in

ters

ect

s a

29-f

t-deep vert

ical

sha

ft.

A sm

all

stop

ed a

rea

conn

ecte

d w

ith

the

sha

ft b

otto

m i

s

within

5

ft o

f th

e floor

of

anot

her

trench

. A

20

-ft-

lon

g

ad

it,

90 f

t n

ort

he

ast

of

the

mai

n w

orki

ngs,

m

ay

have

bee

n an

at

tem

pt

to

inte

rse

ct

the

vein

at

dept

h.

One

30

-ft-

lon

g a

dit.

Two

trench

es,

a

50

-ft-

lon

g

ad

it,

a 28-f

t-deep sh

aft,

and

two

pits.

One

5.5

-ft-

lon

g c

hip

sam

ple

acro

ss

iro

n-s

tain

ed

quart

zite

in

th

e pit

cont

aine

d no

sig

nific

an

t va

lues.

In

the

mai

n w

orki

ng

12,0

00 t

ons

of

dem

onst

rate

d an

d in

ferr

ed

res

erve

s av

erag

ing

0.21

oz

gold

per

to

n,

and

44,0

00 t

ons

of

indic

ate

d a

nd in

ferr

ed

su

beco

nom

ic

reso

urce

s av

erag

ing

0.07

oz

gold

per

to

n ar

e e

stim

ate

d.

An

ad

diti

on

al

4,00

0 to

ns of

ind

ica

ted

m

argi

nal

rese

rves

av

erag

ing

0.05

oz

gold

pe

r to

n ar

e in

th

e du

mp.

Th

e quart

z ve

ins

subpara

llel

to

the

mai

n ve

in to

tal

7,20

0 to

ns of

ind

ica

ted

and

in

ferr

ed

su

beco

nom

ic

reso

urce

s av

erag

ing

0.05

oz

gold

per

to

n.

Pote

ntia

l is

hi

gh f

or

ad

diti

on

al

gold

res

ourc

es at

this

pro

pert

y.

Four

ch

ip

sam

ples

fr

om t

he q

uart

z ve

in

cont

aine

d fr

om a

tr

ace

to 0

.04

oz

gold

per

to

n.

A sa

mpl

e fr

om t

he adit

dum

p as

saye

d 0.

03 o

z go

ld p

er to

n.

Two

rand

om c

hip

sa

mpl

es

from

the

adit

and

one

grab

sa

mpl

e fr

om t

he

dum

p ha

d tr

ace

s of

gold

and

0.1

5 to

1

perc

ent

copp

er.

A se

lect

sa

mpl

e fr

om t

he

stock

pile

ha

d 0.

1 oz

go

ld a

nd 1

.1

oz

silv

er

per

ton,

2.2

perc

ent

copp

er,

and

0.13

perc

ent

zin

c.

Fiv

e ch

ip

and

eig

ht

grab

sa

mpl

es w

ere

take

n fr

om t

he c

onta

ct a

rea

and

silic

eous

inte

rbed

ded

sedi

men

tary

ro

cks.

Se

ven

sam

ples

con

tain

ed f

rom

a t

race

to

0.01

oz

go

ld p

er to

n.

One

gr

ab

sam

ple

had

0.06

oz

gold

per

ton.

Page 22: Steven W. Schmauch U.S. Bureau of Mines - USGSA chip sample from across the phyllite- dolomite contact contained no significant values. The quartz assayed 0.1 oz gold per ton and 0.3

Table

2. S

umma

ry o

f mines

and

prospects

in t

he A

ndrews M

ountain, Mazourka,

and

Paiute R

oadl

ess

Areas Continued

Map

No.

Name

Summary

Workings a

nd

prod

ucti

onResource/sample

data

110

111

Nobl

e No

s.

1-

and

WDC

Nos.

1-5

Nobl

e No

. 6

112

Cent

113

114

Gree

n Gem

Nos.

1 and

2

Welc

h Go

ld-

mi 11

site

(placer)

Tactite

zone

s ar

e present

in l

imes

tone

that

is

in c

ontact w

ith

gran

ite.

The

tactite

zone

s contain

unaltered

lime

stone, m

arble, hornfels,

garn

et,

and

idocrase.

Mass

ive

garnet c

omposes

80 p

ercent o

f th

e ta

ctit

e.

At l

east f

ive

poorly d

efined,

northwest-trending

mine

rali

zed

shear

zones

are

pres

ent

in a

300-

by

700-

ft a

rea

of li

mest

one.

Smal

l blebs

of

chal

copy

rite

, bo

rnit

e, ga

lena

, and

azurite-

mala

chit

e st

ains

and

coatings

are

pres

ent

in

the

zone

s.

One

open t

rench

350

ft l

ong,

10

0 ft w

ide,

an

d 2 ft d

eep

in gran

ite,

limestone, an

d ta

ctit

e, an

d on

e tr

ench

180 f

t long,

50 f

t wide

, and

3 ft

deep

in g

rani

te.

Five p

its,

two

adits, an

d two

shafts.

Numerous s

mall,

calc

ite-

and

epidote-filled

shears

cut

gray

, massive, crysta

llin

e limestone.

The

larg

est

shear

zone

trends

N. 27°

W.,

dips v

erti

call

y to

70° N

E.,

and

is p

artl

y ex

pose

d fo

r 150

ft.

The

4-ft-thick z

one

appears

to p

inch

out

20

ft d

owndip.

The

zone

s co

nsis

t of

alter

ed a

nd b

recc

iate

d li

mest

one

and

goug

e, w

ith

lesser a

mounts o

f limonite,

siderite,

chalcedony,

quartz,

and

calc

ite.

Rand

omly

oriented

shear

zones, m

ostl

y less t

han

1.0

ft t

hick,

cut

massive, j

ointed,

multicolored

shale, ho

rnfe

ls,

and

limestone.

Alte

red

country

rock

, limonite,

and

calcit

e fill the

zones.

Sparse

thin c

oatings

of m

alac

hite w

ere

obse

rved

in

some

shear

mate

rial

found

in t

he d

umps.

Info

rmat

ion

held

confidential

by o

wner.

A 30

-ft-

deep

sha

ft a

nd a

22-ft

- long t

renc

h.

Seven

pits

.

A chip s

ample

from

tac

tite

had

0.13

perc

ent

tung

sten

tri

oxid

e (W

03)

and

one

sele

ct s

ampl

e of h

ornfels-tactite

had

0.4

oz si

lver

per

ton

and

19.0

perc

ent

iron

. Five g

rab

samp

les

from d

umps

co

ntai

ned

no s

ignificant v

alue

s.

Eigh

t ch

ip s

ampl

es a

nd o

ne r

andom

chip

sample w

ere

taken

from

the

adi

ts a

nd

shaf

ts,

seven

grab

sam

ples

fro

m pits

and

dumps, an

d tw

o se

lect

sam

ples

fro

m stockpiles.

The

two

select s

amples h

ad

1.4

and

1.0

oz g

old

per

ton,

6.

4 an

d 8.

8 oz

sil

ver

per

ton, an

d 1.

9 an

d 0.21

percent

copper,

respectively.

Seven

othe

r ch

ip a

nd g

rab

samp

les,

mostly

of a

ltered-limestone f

ault

gouge,

cont

aine

d fr

om 0

.4 t

o 1.

4 oz g

old

per

ton,

a

trac

e to

4.7

oz

silver p

er t

on,

and

0.01 t

o 0.

73 p

ercent c

opper.

A select s

ample

of s

hear

-zon

e material

from

the

dump

of t

he s

haft

yie

lded

0.1

8 oz

gold p

er t

on,

1.7

oz silver p

er t

on,

and

0.15

percent c

opper.

A ch

ip s

ampl

e fr

om a

cross

the

zone i

n th

e tr

ench

had

a

trac

e of g

old,

0.

2 oz si

lver

per

ton

, an

d a

trac

e of

copper.

Six

of t

he n

ine

samp

les

cont

aine

d a

trac

e of g

old.

Copp

er c

onte

nt w

as l

ess

than

0.0

4 percent.

Page 23: Steven W. Schmauch U.S. Bureau of Mines - USGSA chip sample from across the phyllite- dolomite contact contained no significant values. The quartz assayed 0.1 oz gold per ton and 0.3

Table 2. Summary o

f mines

and

prospects

in t

he A

ndre

ws M

ountain, M

azourka, a

nd P

aiut

e Ro

adle

ss Are

as C

onti

nued

Map

No.

Name

Summary

Work

ings

and

pr

oduc

tion

Resource/sample

data

115

Four

Mul

es

116

Bluebird

2/

117

Betty

Jumbo

mine

118

119

White

Swan

El So

bran

te

(placer)

Vei

n-qu

artz

fra

gmen

ts a

nd f

loat

are

sca

tter

ed o

ver

dark

-gre

en t

o bl

ack

shal

e.

A sh

ear

zone

par

tly

trac

eabl

e ov

er a

dis

tanc

e of

ab

out

700

ft,

stri

kes

N.

25°

W.,

dips

70°

NE.

, an

d ra

nges

fro

m l

ess

than

a f

oot

to \

2 f

t th

ick

, w

here

it

is

expo

sed

in l

imes

tone

. Th

e sh

ear

zone

is

com

pose

d of

cal

care

ous

goug

e,

lim

onit

e-st

aine

d ja

sper

oid,

si

lice

ous

lim

onit

e,

and

frac

ture

co

atin

gs o

f ch

ryso

coll

a an

d m

alac

hite

.

Tac

tite

bod

ies

wer

e fo

rmed

alo

ng a

nd n

ear

igne

ous-

se

dim

enta

ry r

ock

cont

acts

. S

chee

lite

is

pres

ent

as

fine

dis

sem

inat

ions

, co

arse

agg

rega

tes,

an

d al

ong

hai

rlin

e fr

actu

res

in t

acti

te.

The

two

larg

est

tact

ite

bodi

es w

ere

deve

lope

d at

the

eas

t an

d w

est

adit

s.

At

the

east

adit

an

orig

inal

re

sour

ce w

as

abou

t 12

5 ft

lon

g,

20 f

t w

ide,

an

d 10

ft

thic

k.

The

wes

t ad

it i

s ce

nter

ed o

n th

e th

ick

est

part

of

a ta

ctit

e ou

tcro

p th

at i

s pa

rtly

exp

osed

for

450

ft

. It

ran

ges

from

2 t

o 28

ft

thic

k an

d is

100

ft

wid

e,

as d

evel

oped

at

the

wes

t ad

it.

The

adit

als

o ex

pose

s a

copp

er-

and

gold

-bea

ring

she

ar z

one

that

is

46

ft l

ong

and

2.5

ft t

hic

k.

The

Bet

ty J

umbo

no

. 6

cont

ains

a g

old-

bear

ing

shea

r zo

ne t

hat

is

38 f

t lo

ng a

nd 1

.5 f

t th

ick.

Qua

rtz

flo

at i

ndic

ates

a m

axim

um v

ein

thic

knes

s of

4 i

n.

Elo

ngat

e bl

ebs

of c

halc

opyr

ite

are

rand

omly

sca

tter

ed i

n th

e qu

artz

, an

d m

alac

hite

or

chr

ysoc

olla

coa

t th

e fr

actu

res.

C

ount

ry r

ock

is d

ecom

pose

d qu

artz

mon

zoni

te.

Info

rmat

ion

held

con

fide

ntia

l by

ow

ner.

A cl

ust

er o

f te

n sm

all

pit

s an

d bu

lldo

zer

scra

ping

s.

A 15

-ft-

deep

sh

aft,

th

ree

pit

s,

and

a 10

-ft-

long

adit

.

The

east

, w

est,

and

sout

h ad

its

tota

l ov

er

1,20

0 ft

of

mos

tly

sing

le l

evel

de

velo

pmen

t. O

ther

w

orki

ngs

near

by i

nclu

de t

wo

shaf

ts

no m

ore

than

25

ft d

eep,

tw

o tr

ench

es,

thre

e pit

s,

and

thre

e ad

its

10,

60,

and

75 f

t lo

ng.

Prod

uctio

n fr

om t

he p

rope

rty

in

1918

and

195

1 to

tals

1,

037

Ib

tung

sten

, 5,

575

Ib c

oppe

r,

and

46 o

z si

lver

. An

add

itio

nal

esti

mat

ed 1

8,75

0 Ib

of

tung

sten

w

ere

reco

vere

d fr

om a

195

2 sh

ipm

ent,

but

wer

e no

t re

cord

ed.

One

pit.

A grab s

ampl

e of q

uart

z contained

no

significant

values.

A 11

0-ft

-lon

g se

gmen

t of

the z

one

averages 5

.5 f

t th

ick

and

has

7,90

0 tons o

f su

beco

nomi

c re

sour

ces

with a

gr

ade

of 1

.19 pe

rcen

t co

pper

.

The

west

adit

has

52,0

00 t

ons

of

indicated

and

infe

rred

res

erve

s av

erag

ing

0.70

per

cent

W03.

With

in t

his

block

350

tons

average 0

.22

oz g

old

per

ton,

1.

18

oz s

ilve

r per

ton,

an

d 1.59 p

erce

nt

copper.

An e

astw

ard

exte

nsio

n of

the

tactite

body i

s estimated

to c

onta

in

5,100

tons o

f in

dica

ted

and

inferred

sube

cono

mic

reso

urce

s with 0

.08

perc

ent

W03.

The

east

adit

has

5,00

0 tons o

f in

dica

ted

and

inferred m

argi

nal

rese

rves

gr

adin

g 0.

38 per

cent

W03

. The

Betty

Jumb

o no

. 6

has

90 t

ons

of i

nferred

sube

cono

mic

reso

urce

s wi

th 0

.57

oz

gold p

er t

on.

A gr

ab s

ampl

e of

mineralized f

loat

co

ntai

ned

a tr

ace

gold a

nd 4

.2 p

erce

nt

copper.

Quar

tz mon

zoni

te f

rom

near

the

pit

also

con

tain

ed a

trace g

old

and

0.14

percent

copper.

Page 24: Steven W. Schmauch U.S. Bureau of Mines - USGSA chip sample from across the phyllite- dolomite contact contained no significant values. The quartz assayed 0.1 oz gold per ton and 0.3

Tab

le 2

. Sum

mar

y of

min

es

and

pros

pect

s in

th

e A

ndre

ws

Mou

ntai

n,

Maz

ourk

a,

and

Pai

ute

Roa

dles

s A

rea

s C

on

tinu

ed

Map

N

o.Na

me

Sum

mar

yW

orki

ngs

and

pro

du

ctio

nR

esou

rce/

sam

ple

data

120

Four

Hor

sem

en

Hig

hly

co

nto

rte

d,

fau

lted

, b

lue

-gra

y to

bla

ck

sla

te

is

dis

sect

ed

by

a 0.5

- to

0.8

-ft-

thic

k

sinu

ous

quart

z ve

in th

at

exte

nds

for

110

ft.

It va

rie

s co

nsi

dera

bly

in

str

ike

and

dip

but

tre

nds

abou

t N

. 14

° E

. an

d d

ips

40°

NW.

The

vein

is

lo

cally

vu

ggy

and

cry

sta

lline a

nd c

onta

ins

mas

ses

of

diss

emin

ated

gal

ena

from

0.2

5 in

. to

ov

er 2

in

. in

di

amet

er.

121

Blu

e C

ryst

al

A lim

esto

ne f

aci

es

in

the

Late

Pro

tero

zoic

Wym

an

Nos

. 1

-FF

orm

atio

n is

in

truded b

y a

Cre

tace

ous

gra

nitic

plu

ton,

the

resultin

g t

actite

zo

nes

are

as m

uch

as

1,10

0 ft

lon

g an

d ab

out

150

ft w

ide.

Tr

aces

of

diss

emin

ated

sch

eelit

e a

nd a

sm

all

mag

netit

e po

d ar

e p

rese

nt.

Th

e ta

ctite

zon

es a

re a

s th

ick

as

5 ft.

122

Unkn

own

I/

A 6-in.-

to

2

-ft-

thic

k

quart

z ve

in str

ikes

N.

39°

W.

(18,

10

, 36

) an

d di

ps 3

5° S

W.

in

impu

re b

uff

-gra

y lim

est

one.

The

quart

z ve

in c

onta

ins

diss

emin

ated

gal

ena

and

pyrite

and

abo

ut

5 pe

rcen

t w

hite

ca

lcite

. Th

e ve

in

can

be t

race

d fo

r ab

out

30 f

t do

wnd

ip,

but

not

alon

g th

e su

rfac

e be

yond

the

sh

aft c

olla

r.

123

Unk

now

n I/

A 3

-ft-

thic

k

quart

z ve

in c

an

be

trace

d f

or

25 ft

(18,

10

,~36

) al

ong

str

ike a

nd 4

0 ft a

long

dip

. It str

ikes

N.

58°

W.,

dips

22

° to

35°

N

E.,

and

cross

cuts

in

terb

edde

d sa

ndst

one,

silt

sto

ne,

and

sha

le.

Dis

sem

inat

ed

cha

lco

pyr

ite,

mal

achi

te sta

in,

and

limo

nite

ar

e fo

und

alon

g part

s of

the

vein

.

124

And

rew

s Q

uart

z-1i

mon

ite

pods

al

ong

limest

one-s

hale

conta

cts

Nos

. 1-

17

are

pres

ent

in

deposi

ts a

s th

ick

as

2 ft a

nd a

s lo

ng

as

30 f

t.

Typ

ica

lly,

the

min

eral

s pr

esen

t ar

e p

yrite

, ga

lena

, an

d sp

orad

ic

occu

rren

ces

of

chry

soco

lla.

Vei

ns

in

the

shal

e ar

e di

scon

tinuo

us

and

dis

pla

ced

by

fau

ltin

g.

An

open

cut

50 f

t lo

ng

, 20

ft

wid

e,

and

6 to

9

ft

deep

an

d tw

o sm

all

pits.

Thre

e op

en cu

ts,

12

shal

low

tr

en

che

s,

and

six

pits.

An in

clin

ed

sh

aft t

hat

dips

40°

SW

. is

ca

ved

at

the

co

llar.

Two

smal

l p

its.

At

the

And

rew

s N

os.

14-1

7 th

ere

is

a

120-f

t-lo

ng a

dit,

five

pits,

and

two

tre

nch

es.

Th

e A

ndre

ws

Nos

. 1

and

2 ha

ve

a vert

ical

50-f

t-deep

shaft w

ith

80 f

t of

driftin

g,

five p

its,

and

a 2

5°-

incl

ine

d,

25

-ft-

de

ep

shaft w

ith 5

0 ft o

f d

rift

.

Ele

ven

sam

ples

of

qu

art

z; five c

hip

sa

mpl

es

had

from

0.2

to

1.

0 oz

silv

er

per

ton

, an

d 0.

1 to

2.

5 pe

rcen

t le

ad.

Sele

ct s

ampl

es

from

st

ock

pile

s an

d du

mps

co

ntai

ned

as

muc

h as

2.

3 oz

silv

er

per

ton

, 1.

3 pe

rcen

t co

pper

, an

d 7

.0 p

erce

nt

lead.

A gr

ab

sam

ple

of

tactite

con

tain

ed 2

.4

oz silv

er

per

ton

and

0.22

per

cent

W03

- Tw

elve

oth

er

chip

or

gr

ab

sam

ples

co

ntai

ned

0.01

to

0.1

2 perc

ent

W03

. Th

ree

sam

ples

fr

om t

he m

agne

tite

pod

had

from

16.

5 to

31.

0 perc

ent

iron.

Four

sa

mpl

es w

ere

take

n fr

om t

he

pro

spe

ct.

A se

lect

sa

mpl

e fr

om a

20

0-1b

st

ock

pile

con

tain

ed 1

0.8

oz

silv

er

per

ton,

22.0

perc

ent

lead,

and

2.0

perc

ent

zinc.

Tw

o ch

ip

sam

ples

fr

om a

cros

s th

e quart

z ve

in

had

0.12

an

d 4.

5 pe

rcen

t le

ad,

and

0.6

and

3.30

pe

rcen

t zi

nc;

on

e ha

d 2.

6 oz

silv

er

per

ton

. P

oor

acce

ss t

o t

he u

nder

grou

nd

wor

king

s pr

even

ted

a re

sour

ce e

stim

ate

.

Two

of

thre

e c

hip

sam

ples

fro

m a

cros

s th

e ve

in

had

0.05

and

1.0

5 perc

ent

copp

er

and

0.2

and

0.6

oz silv

er

per

ton,

resp

ect

ively

. A

sele

ct

sam

ple

of

the

mos

t hig

hly

min

era

lize

d q

uart

z ha

d 4.

5 pe

rcen

t co

pper

an

d 0.8

oz

silv

er

per

ton.

Thirty

-four

sam

ples

wer

e co

llect

ed

fro

m

the

Andr

ews

Cla

ims.

On

e se

lect

sa

mpl

e of

stock

pile

d m

ate

rial

had

17.8

oz

silv

er

per

ton

and

37 p

erce

nt l

ead;

the

oth

er

sam

ples

co

ntai

ned

consi

dera

bly

le

ss.

In

genera

l, th

e as

say

data

in

dic

ate

th

e m

ine

raliz

atio

n w

as

spo

tty

and

err

atic.

Page 25: Steven W. Schmauch U.S. Bureau of Mines - USGSA chip sample from across the phyllite- dolomite contact contained no significant values. The quartz assayed 0.1 oz gold per ton and 0.3

Table

2. S

umma

ry o

f mines

and

pros

pect

s in t

he A

ndrews M

ountain, Ma

zour

ka,

and

Paiute R

oadl

ess

Area

s Co

ntin

ued

Mao

no.

Name

Summary

Work

ings

and

production

Reso

urce

/sam

ple

data

125

126

Iron S

ide

Squaw

Flat

No

s. 1-4

2/

127

128

Pasadena N

os.

and

2

San

Ped

ro

Nos

. l-b

Dar

k re

d hem

atit

e-lim

onite

len

s in

lim

est

on

e.

Min

or

amou

nts

of

vein

quart

z in

du

mp.

Dis

cont

inuo

us,

fissu

re-f

illin

g q

uart

z ve

ins

intr

ud

e

fine

-gra

ine

d m

assi

ve q

uart

zite

and

th

in,

inte

rbed

ded

wh

ite

dolo

mite

. Th

e tw

o lo

ng

est

vei

ns

exte

nd f

or

abou

t 42

ft

and

aver

age

1.1

ft t

hic

k.

Su

lfid

e

pods

an

d ve

ins

up to

3

in.

thic

k co

nta

in

gale

na,

sph

ale

rite

, an

d pyrite

.

Bed

ding

-pla

ne q

uart

z-lim

om

'te v

eins

ar

e as

th

ick

as

1.5

ft i

n nort

hw

est

-tre

ndin

g si

lice

ou

s lim

est

one.

Qua

rtz

vein

s ar

e no

rmal

to

a

nort

hw

est

-tre

ndin

g

fau

lt

syst

em.

The

larg

est

vei

n is

a

mas

sive

, si

nuou

s,

bran

chin

g qu

artz

ve

in th

at

crop

s ou

t in

a

200-

by

50

-ft

area

in

th

inly

be

dded

silt

sto

ne,

shale

, an

d phylli

te.

Oth

er

outc

rops

ar

e pr

esen

t as

sm

all

dis

con

tinu

ou

s po

ds.

Cub

ic,

irre

gula

r m

asse

s of

gale

na a

re r

ando

mly

d

istr

ibu

ted

in

th

e ve

in.

The

vein

s ar

e as

th

ick

as

10 f

t,

but

ge

ne

rally

le

ss

than

2.

0 ft.

Ther

e 1s

lim

ited

subs

urfa

ce

acce

ss

and

poor

su

rfac

e ex

posu

re

of

the

ve

in s

yste

m.

Two

pits

.

Development

consists o

f a

head

fram

e, two

inaccessible

shaf

ts,

a 58-ft-long a

dit wi

th

a 50

-ft-

deep

inc

line

d winze,

seve

ral

shal

low

tren

ches

, and

one

smal

l pit.

Abou

t 5

tons o

f qu

artz

is

stockpiled

near t

he

head

fram

e.

U.S. Bureau o

f Mine

s production f

iles

sho

w 1

oz g

old,

123

oz s

ilve

r, and

2,29

4 Ib l

ead

were

rec

over

ed f

rom

57 t

ons

in

1950.

Two

pits.

Ther

e are

nine p

its,

four a

dits

, one

trench,

and

one

shaft wi

th *

70 f

t of d

rift

s.

Two

sele

ct s

ampl

es h

ad 0

.01

oz g

old

per

ton.

The

two

quar

tz v

eins h

ave

a total

indi

cate

d an

d in

ferr

ed s

ubeconomic

reso

urce

of

300

tons

wit

h an a

vera

ge

weighted g

rade o

f 1.

6 oz s

ilver

per

ton, 3.

69 p

ercent l

ead,

an

d 1.85

perc

ent

zinc

. Ab

out

5 tons o

f si

mila

rly

mineralized

quar

tz i

s st

ockp

iled

at

the

work

ings

.

Two

select s

amples a

nd o

ne c

hip

sample

of q

uart

z an

d quartz-limom'te

material

cont

aine

d no

significant

values.

Four

chip, 15

select, an

d five grab

samp

les

were c

ollected.

One

chip

sa

mple

from a

cross

a 1.7-ft-thick q

uart

z ve

in

had

3.9

oz s

ilve

r pe

r to

n, 1.

2 pe

rcen

t le

ad,

and

0.17 p

erce

nt z

inc.

Five

select s

ampl

es o

f quartz f

rom

stoc

kpil

es

and

wast

e material av

erag

ed 6

.8 o

z silver

per

ton, 3.

0 percent

lead

, an

d 0.

62

perc

ent

zinc

.

Page 26: Steven W. Schmauch U.S. Bureau of Mines - USGSA chip sample from across the phyllite- dolomite contact contained no significant values. The quartz assayed 0.1 oz gold per ton and 0.3

Tab

le

2. S

umm

ary

of

min

es

and

pros

pect

s in

the

And

rew

s M

ount

ain,

M

azou

rka,

an

d P

aiut

e R

oadl

ess

Are

as

Contin

ued

Map

no

.Na

me

Sum

mar

yW

orki

ngs

and

pro

duct

ion

Res

ourc

e/sa

mpl

e da

ta

129

130

131

132

133

Frie

nd

(pla

cer)

Iro

n N

ugge

t (p

lace

r)

Nar

row

s cl

aim

Nar

row

s no

s.

1-6

134

135

Pea

rl

Unk

now

n I/

(14,

10

,~36

)

Mas

sive

, m

i Iky

-white

qua

rtz

vein

s,

no la

rge

r th

an

40 f

t lo

ng b

y 2

ft th

ick,

cut

arg

illite

. C

ubic

m

asse

s of

gale

na

as m

uch

as

2 or

3 in

. in

di

amet

er

are

rand

omly

d

istr

ibu

ted

in

so

me

of

the

quart

z.

Som

e of

the

gale

na

has

been

co

mpl

etel

y oxi

diz

ed,

leavi

ng a

ce

llula

r bo

xwor

k,

whi

ch

has

been

enc

rust

ed

with

lim

on

ite.

Per

mis

sion

to

publis

h re

sults

was

no

t o

bta

ine

d.

Info

rma

tion

he

ld c

on

fide

ntia

l by

ow

ner.

A 5

-ft-

thic

k,

iro

n-s

tain

ed

quart

z po

d st

rike

s N

. 25

° W

. an

d d

ips

55°

Nf.

in chlo

ritic horn

fels

.

Vei

ns,

ve

inle

ts,

and

pods

of

quart

z as

lo

ng a

s 2

ft h

ave

rehe

aled

seg

men

ts*o

f a

thru

st

fau

lt.

The

sulfid

e m

inera

ls w

ere

mor

e lo

caliz

ed t

han

the

quart

z, y

et

pres

ent

in

seve

ral

wid

ely

sp

aced

ar

eas

alon

g th

e fa

ult.

The

quart

z co

nta

ins

rand

omly

di

ssem

inat

ed b

leb

s,

cube

s,

or m

asse

s an

d st

ringers

of

gale

na,

sph

ale

rite

, an

d p

yrite

as

th

ick

as 4

in

.

Buff-c

olo

red d

olom

ite a

nd l

imes

tone

ha

ve

seco

ndar

y ca

lcite

and

iro

n st

ain

alo

ng f

ract

ure

s.

Gra

y, fissile

shal

e str

ikes

N.

20 W

. an

d di

ps

30°

SW.

A n

ort

h-t

ren

din

g q

uart

z ve

in th

at

is

2.0

ft

thic

k is

part

ly

expo

sed

for

55 f

t.

A 2

2-f

t-lo

ng

tr

ench

with

a

cave

d 13-f

t-deep

shaft a

nd a

pit

com

pose

the

up

per

wor

king

s.

The

low

er w

orki

ng is

a

pit.

Dis

tanc

e be

twee

n th

e up

per

and

low

er

wor

king

s is

800

ft.

The

wor

king

s ar

e no

t on

th

e s

ame

vein

.

One

pit.

A 25

1-ft

-lon

g adit i

s the

long

est

of s

ix a

dits t

otal

ling

485 f

t of

underground d

evelopment

and

three

small

pits

.

A small

pit.

Two

pits.

A select s

ampl

e fr

om t

he s

haft a

rea

had

4.6

oz si

lver

per

ton

and

5.6

5 pe

rcent

lead

. Quartz f

rom

the

nearby pi

t co

ntai

ned

no significant

values.

A select s

ampl

e fr

om t

he lower

working

cont

aine

d 1.

6 oz

si

lver

per

ton

and

1.3

pe

rcen

t le

ad.

One

chip

sample c

onta

ined

no

significant

metal

valu

es.

Of 4

4 samples, nine c

onta

ined

mor

e than

1 oz s

ilver

per

ton

and

1 pe

rcen

t lead

or z

inc.

Higher g

rade

concentrations

of

mine

rals

are

err

atic

ally

distributed

in

thin

, di

scontinuous

quartz v

einl

ets

and

in b

lebs

or

pods

. Th

e ap

pare

nt o

verall

aver

age

grade

is t

oo l

ow t

o co

nsti

tute

a

reso

urce

.

One

grab sample c

onta

ined

no

sign

ific

ant

valu

es.

Of tw

o random c

hip

samples; on

ly o

ne

cont

aine

d trace

of g

old

and

0.2

oz s

ilve

r pe

r to

n.

Page 27: Steven W. Schmauch U.S. Bureau of Mines - USGSA chip sample from across the phyllite- dolomite contact contained no significant values. The quartz assayed 0.1 oz gold per ton and 0.3

Table 2. Summary o

f mines

and

pros

pect

s in

the A

ndre

ws M

ount

ain,

Ma

zour

ka,

and

Paiute Roadless A

reas Continued

Map

no.

Name

Summ

ary

Work

ings

and

prod

ucti

onResource/sample

data

136

Silv

er P

rincess

Discontinuous

fissure-fi

llin

g veins

are

present

in

Nos. 1-427limestone a

nd d

olomite

alon

g a major

east

-tre

ndin

g (N

ancy

(TanEs)

thru

st f

ault

, which

is a

s th

ick

as 4

0 ft a

nd p

artly

exposed

for

over

2 m

i alon

g st

rike

. The

veins

are

generally

less t

han

10 f

t long a

nd a

s th

ick

as 1.5

ft.

Intergrown c

ubic galena a

nd sp

hale

rite

are

present

as b

lebs a

nd s

treaks in

the q

uart

z, bu

t also

form

solid,

mass

ive-

sulf

ide

veins

and

pods

.

137

Thre

e Fing

ers

Random d

iscontinuous,

north-trending q

uartz

vein

s 0.

7 to 1

.6 f

t thick

are

in slate.

Limo

nite

- stained

quartz h

as b

lebs o

f euhedral galena a

nd

spha

leri

te.

138

Good E

noug

h A

gray

shale

is l

ocally

spe

ckle

d wi

th 1

- to 2

-in.

diameter l

imonite

pseudo

morp

hs a

fter p

yrit

e.

Over

burd

en o

bscu

res

in-p

lace q

uart

z.

139

K.I.F.S.

Vein q

uartz

float

as t

hick

as

1.0

ft i

n shale.

140

Luck

y Stri

ke

Massive

limom'te-stained

quartz

veins, w

hich a

re

0.7

to 1

.6 f

t th

ick

penetr

ate

fiss

ile

slate.

Two

pits and

one

adit w

ith

325

ft o

f wo

rkin

gs.

Prod

ucti

on

tota

lled

at

least

233

oz

of si

lver

, 12

Ib

of

copper,

and

13,951 Ib

lead

(U.S.

Bure

au

of M

ines pr

oduc

tion

rec

ords

).

Two

pits

, a 20

-ft-

long

trench t

rending

northeast,

and

a 19

-ft-

long

inc

line

d adit t

rending

north.

One

trench 11

ft l

ong

by

4 ft w

ide,

and

2 ft d

eep

trends S

. 22°

E. and

one

trench 13

ft

long

, 4

ft

wide,

and

2 ft d

eep

tren

ds S

. 65°

E.

Two

shallow

pits

.

One

6.5-

ft d

iameter,

6.5-ft-deep

pit.

Twenty-eight s

ampl

es w

ere

take

n.

Underground

workings e

xposed m

iner

aliz

ed

quartz v

eins

in

an a

rea

30 f

t thick, 50

ft w

ide, an

d 12

0 ft l

ong.

If

the

veins

cons

titu

te 10

per

cent

of

the

total

rock

, th

en 3

,000

tons

of v

ein

material average

1.3

oz s

ilve

r pe

r ton, 4.

1 pe

rcen

t le

ad,

and

1.8

perc

ent

zinc

.

Thre

e chip a

nd f

our

grab

samples

of

quar

tz w

ere

taken.

Chip

samples

from

th

e ad

it h

ad f

rom

a tr

ace

to 1.

6 oz

silv

er p

er t

on,

0.11

to 8

per

cent

lea

d,

and

0.12

to

0.27

percent z

inc.

On

e se

lect

sample

of q

uart

z fr

om d

umps

had

5.

6 pe

rcen

t le

ad.

Two

grab s

ampl

es o

f ga

lena-bearing

quar

tz f

rom

stoc

kpil

es a

t bo

th t

renc

hes

had

copper v

alues

of 0

.04

and

12 p

ercent;

zinc v

alues

aver

aged

1.15

percent.

One

sample h

ad 1

8.8

oz s

ilve

r pe

r to

n.

Thre

e samples

of q

uartz

cont

aine

d no

significant

values.

Two

chip

samples h

ad 0

.01

and

0.56

perc

ent

lead

. A

grab s

ampl

e of

quartz

had

1.4

oz s

ilve

r pe

r to

n an

d 6

perc

ent

lead

.

Page 28: Steven W. Schmauch U.S. Bureau of Mines - USGSA chip sample from across the phyllite- dolomite contact contained no significant values. The quartz assayed 0.1 oz gold per ton and 0.3

Table 2.

Sum

mary

of

mines

and

prospects

in t

he A

ndre

ws M

ount

ain,

Maz

ourk

a, and

Paiu

te R

oadl

ess

Areas Continued

Map

no.

Name

Summary

Work

ings

and

production

Resource/sample

data

141

Opal

mine

2JFractures

filled w

ith

quartz f

orm

irregular,

discontinuous

veins

and

pods in

a 160- b

y 340-ft

area

of

thin

ly b

edded

slate.

Mass

ive

and

cubi

c ga

lena

wit

h minor

amounts

of s

phal

erit

e and

pyri

te a

re u

nevenly

distributed

in t

he q

uart

z.

142

Silv

er S

pur

2/

Two

para

llel

qu

artz

vei

ns 3

60 f

t and

150

ft

(Daisy)

long a

nd f

rom

2 to 6

ft

thic

k fo

llow

bedding

plan

es in c

alcareous

fiss

ile

slat

e and

interbedded

limestone.

Cubic

masses o

r streaks

of g

alena

and

pyrite a

s mu

ch^a

s 4

in.

wide

by

6 in

. long a

re

found

in some p

arts o

f the

veins.

143

Jean A

pex

A 50

-ft2

are

a of

inter

bedd

ed s

hale

and d

olom

ite

adja

cent

to

quar

tz m

onzo

nite

was

sus

pect

ed b

y the

owner

to c

onta

in u

rani

um m

inerals.

No a

noma

lous

radioactivity

was

found.

144

Squa

w Flat

Olde

r al

luvi

um c

onsi

sts

of u

ncon

soli

date

d decomposed

(placer)

quar

tz m

onzonite.

Elev

en p

its,

th

ree

adit

s to

tall

ing

220

ft o

f un

derg

roun

d workin

gs,

and

three

shafts 14

, 28

, an

d 43

ft d

eep.

Five in

clin

ed s

hafts

from 1

0 to

40 f

t deep a

nd f

ive

small

pits

. U.S. Bu

reau

of

Mine

s produc

tion

records

are

incomplete,

but

at

leas

t 74 o

z of

silver, 854

Ib

lead

, and

0.8

oz g

old

have

been

produced.

None

.

Seve

n bu

lldo

zer

trenches 4

0 to

200

ft l

ong

and

a 10

-ft-

diam

eter

pit.

Assay

results

of 3

7 sa

mple

s in

dica

te t

hat

silv

er,

lead

, an

d zinc a

re e

rratically

dist

ribu

ted;

only e

ight

samples c

onta

ined

more t

han

1 oz

silver

per

ton.

Th

e largest

vein is 4

8 ft l

ong,

av

erag

es

2.5

ft t

hick

, an

d co

ntai

ns 2

40 t

ons

of

indi

cate

d an

d in

ferr

ed s

ubec

onom

ic

reso

urce

s.

The

aver

age

grad

e is 2

.86

oz

silver p

er t

on a

nd 4

.59

perc

ent

lead

.

Twenty-eight s

ampl

es w

ere

coll

ecte

d.

Approximately

30 t

ons

of min

eral

ized

quartz a

re s

tock

pile

d an

d mixed

in t

he

dump

s.

Sample r

esults fo

r this m

aterial

rang

ed f

rom

2 to 5

oz

silv

er p

er t

on,

3 to

14

perc

ent

lead

, an

d 2

to 4

per

cent

zi

nc.

At o

ne i

ncli

ned

shaft

7 to

ns o

f vein q

uart

z av

erag

es 18

.1 p

erce

nt l

ead,

2.

6 pe

rcen

t zinc,

and

1.2

oz s

ilver

per

ton.

One

rand

om c

hip

samp

le;

no

uran

ium

dete

cted

.

Eigh

t ra

ndom

grab

samp

les

cont

aine

d no

significant

valu

es.

Page 29: Steven W. Schmauch U.S. Bureau of Mines - USGSA chip sample from across the phyllite- dolomite contact contained no significant values. The quartz assayed 0.1 oz gold per ton and 0.3

Table 2. Summary o

f mines

and

prospects

in t

he A

ndre

ws M

ount

ain,

Mazourka, and

Paiute R

oadl

ess

Areas Continued

Map

no.

Name

Summar

yWo

rkin

gs a

nd

prod

ucti

onResource/sample

data

145

Luck

y Jo

seph

ine

Discontinuous

fissure-fill

ing

quartz v

eins r

ange

in

No. 10length fr

om 1

0 to 4

00 f

t, w

ith

thicknesses

as m

uch

as 5

ft.

The

veins

are

pres

ent

in a

n al

tera

tion

zo

ne o

f tactite

and

hornfels t

hat

is a

t least

120

ft wide

and

1,50

0 ft

long.

The metamorphic

rocks

resu

lted

fro

m th

e Cr

etaceous intrusion

of a

gr

anit

ic

plut

on into c

arbo

nate

and c

lastic ro

cks

of C

ambr

ian

age.

Mine

rali

zati

on p

rodu

ced

pyrite,

limonite,

and

trac

es o

f disseminated g

alena

in t

he q

uartz

veins.

146

Inyo

Que

en

A northeast-striking s

hear z

one

averages 5

ftNos. 1 In

d 2

thick

and

dips

50°

to

70°

SE.

in a

qua

rtz

monz

onit

e intrusive.

The

zone,

whic

h is

partly

expo

sed

in

the

adit

s fo

r 17

0 ft

vertically

and

172

ft

hori

zont

ally

, is c

ompo

sed

of a

lter

ed q

uartz

monzonite

and

limonite-stained v

ein

quar

tz.

The

vein r

anges

from l

ess

than 0

.1 f

t to a

ppro

xima

tely

7

ft t

hick

and

con

tain

s sporadic is

olat

ed

conc

entr

atio

ns o

f ga

lena,

pyri

te,

and

poss

ibly

bo

rnit

e.

Cavi

ties

contain

cle

ar q

uartz

crys

tals

as l

ong

as 5

in

.

147

Independence

Irre

gula

r, di

scon

tinu

ous

shea

r zo

nes

are

composed o

f claimslimestone f

ragm

ents

, go

uge, and

quartz v

eins.

Most

ve

ins

are

1 to

3 in

. th

ick

with

pod

s as t

hick a

s 3.5

ft.

Oxid

ized

pyr

ite

cube

s and

bleb

s of g

alena

and malachite

stain

are

asso

ciat

ed w

ith

quar

tz.

Five p

its

and

tren

ches

as

long

as

20 f

t, three

adit

s 35

, 43,

and

440

ft l

ong, and

a 70

-ft-

deep

in

clin

ed s

haft a

re o

n the

property.

Thre

e adits

have a

total of 2

42 f

t of workings.

Foundations

and

some

mach

iner

y remain a

t a

nearby

mi 11

sit

e.

Ther

e are

four a

dits,

10,

40,

75,

and

210

ft l

ong, two

cave

d ad

its

and

thre

e pi

ts.

Of 4

2 samples

coll

ecte

d fr

om t

he

prop

erty

, va

lues

are

as

much

as

4.0

oz

silv

er p

er t

on,

3.15

per

cent

lea

d, 0.

9 pe

rcen

t co

pper

, an

d 0.

23 p

erce

nt

molybdenum d

isulfide.

Howe

ver,

th

e ma

jori

ty o

f values a

re c

onsiderably

below

thes

e.

Sixt

een

samp

les were c

olle

cted

fro

m this

prop

erty

. Fi

ve o

f th

e 13

sam

ples

from

shear

zones

had

0.2

to 0

.9 o

z si

lver

pe

r to

n an

d 0.05 t

o 1.

3 pe

rcen

t le

ad.

One

of t

he t

hree

sel

ect

samp

les

from

th

e du

mps

cont

aine

d 0.

4 oz s

ilver

per

ton

and

1.5

perc

ent

lead

. So

me s

ampl

es

were

also

anal

yzed

for

cop

per,

zinc,

and

tung

sten

; an

omal

ous

valu

es a

bove

ba

ckground l

evel

s we

re n

ot d

etec

ted.

Lo

w-gr

ade

lead a

nd s

ilve

r ar

e pr

esen

t in sp

orad

ic is

olat

ed c

once

ntra

tion

s.

Sixt

een

chip

, fi

ve s

elec

t, an

d tw

o gr

ab

samples

were

tak

en f

rom

shea

r zones

and

quartz v

eins

. A

samp

le o

f galena-bearing

quar

tz c

olle

cted

fro

m a

stoc

kpil

e ha

d 7.

8 oz

silver

per

ton

and

50.5 p

erce

nt

lead.

Four o

ther samples

cont

aine

d mo

re t

han

1 oz

sil

ver

or 1 pe

rcen

t lead.

Two

samp

les

cont

aine

d an

omal

ous

amou

nts

of m

olyb

denu

m.

Page 30: Steven W. Schmauch U.S. Bureau of Mines - USGSA chip sample from across the phyllite- dolomite contact contained no significant values. The quartz assayed 0.1 oz gold per ton and 0.3

Table

2.--Summary

of m

ines

and p

rospects in

the

Andr

ews

Moun

tain

, Ma

zour

ka,

and

Paiute R

oadless

Areas Continued

Map

no.

Name

Summ

ary

Work

ings

and

prod

ucti

onResource/sample

data

148

Inyo

Kin

g A

6- to

8-f

t-th

ick

quar

tz v

ein

strikes

N. 65°

E.

and

dips 5

4° S

E. in h

ornf

els.

Mi

nor

amounts

of

disseminated g

alena

are

in t

he iron-stained q

uartz.

The

vein

is

expo

sed

only

underground,

and

its

length

coul

d no

t be

measured.

149

Inyo

Que

en

A resistant, siliceous, limonite-rich, and

No.

2 brecciated q

uart

z lens a

bout

10

ft t

hick

and

30 f

t long o

ccup

ies

part

of

a sheared

limestone-shale

and

quar

tzit

e co

ntac

t.

The

adit r

evea

ls t

hat

the

structure

is sh

allo

w.

A smaller

segm

ent

of t

he

lens

has

been

offset a

bout

30

ft e

ast

of t

he p

ortal

of t

he main

workings.

150

Vall

ey V

iew

Brow

n cr

ysta

llin

e limest

one

is c

ut b

y a

3- t

o 3.5-

ft-wide

shear

zone

tha

t st

rike

s N.

62°

W. and

dips

80°

SW.

The

zone

is

fill

ed w

ith

limo

niti

c al

tere

d limestone, m

inor a

mounts

of

calc

ite

vein

lets

, and

highly i

ron-

stai

ned

quar

tz.

Over

burd

en c

overs

poss

ible

extensions

of t

he s

tructure.

151

Pick Up

A

short

near

-ver

tica

l cr

oss

section

of a

N.

30°

E.-

trending s

hear z

one

is e

xpos

ed a

t the

base o

f a

buff-

colo

red

lime

ston

e cl

iff.

The

1.5- t

o 3.

3-ft

-thi

ck

shear

zone i

s composed o

f br

ecci

ated

country r

ock

and

goug

e.

152

Custer (

Baxt

er)

Alte

red

black

hornfels,

shale, and

quartz m

onzonite

in a

contact z

one

4 to 6

ft

thick, st

rike

s N. 40°

E.,

and

dips

40°

NW

. (Tuc

ker

and

Samp

son,

19

38,

p.

435)

. Si

lice

ous

limonite

and 2

-in.-thick q

uart

z-

vein m

ater

ial

pres

ent

in a

2-

or 3

-ton s

tock

pile

at

the

portal

of a

caved

adi

t.

A 17

-ft-

long

cro

sscu

t adit.

A 17

-ft-

long

adit

and

a 18

5-ft

-lon

g adit w

ith

100

ft o

f dr

ifts

.

One

6-ft

-dee

p pit.

One

19-ft

cut

that e

xten

ds

partly underground.

Two

accessible a

dits a

re 5

and

22

ft

long.

A caved

adit w

as

driven into the

cont

act

zone a

nd

is r

epor

ted

to b

e 100

ft l

ong

(Goodwin,

1957

, p.

43

5).

Remn

ants

of

a gravity

tram

system e

xist.

U.S. Bureau o

f Mines

records

indi

cate

34

tons

of o

re h

ave

been pr

oduc

ed,

yielding 9

2.2

oz g

old, 1,266

oz si

lver

, 2,351

Ib c

opper,

and

23,866 Ib

lea

d.

A ch

ip sa

mple

fro

m ac

ross

the

vein

and

quartz in

the

dum

p each h

ad 0

.6 o

z silver p

er t

on,

a tr

ace

of g

old

per

ton, 0.60 a

nd 0

.78

perc

ent

lead,

and

0.02

and

0.1

3 pe

rcen

t WO

s-

Two

chip sa

mple

s fr

om s

ilic

eous

li

moni

te i

n th

e ma

in w

orking a

ssayed 0

.7

and

4.0

oz silver p

er t

on.

Of n

ine

othe

r sa

mple

s fr

om t

he s

hear z

one

and

country

rock

, four yie

lded

traces

of g

old,

si

lver

, copper,

or l

ead.

A chip sa

mple

fro

m th

e sh

ear

zone

and

a

grab

sample f

rom

the

dump

con

tain

ed n

o significant

valu

es.

Two

samp

les

had

0.1

oz g

old

per

ton.

Five

samples w

ere

collected.

Two

select

samp

les

from

sto

ckpi

les

cont

aine

d 0.02

and

0.20 o

z go

ld p

er t

on,

6.6

and

8.9

oz

silv

er p

er t

on,

2.4

and

20.4

per

cent

co

pper

, an

d 7.

2 an

d 5.

8 pe

rcen

t lead.

The

thre

e chip s

ampl

es c

onta

ined

traces

of g

old,

silver,

lead

, an

d co

pper

.

Page 31: Steven W. Schmauch U.S. Bureau of Mines - USGSA chip sample from across the phyllite- dolomite contact contained no significant values. The quartz assayed 0.1 oz gold per ton and 0.3

Tabl

e 2. Summary

of min

es a

nd p

rosp

ects

in

the

Andrews

Mountain,

Mazourka,

and

Paiu

te R

oadl

ess Ar

eas

Cont

inue

d

Map

no.

Name

Summ

ary

Work

ings

and

production

Reso

urce

/sam

ple

data

153

154

Bla

ck J

acka

ss

155

Gre

en M

onst

er

156

Goo

dvie

w

157

Mou

ntai

n V

iew

158

Arr

oyo

grou

p

A 2-

to

7-f

t-th

ick w

hite

qua

rtz

vein

in

a pr

edom

inan

tly c

arbo

nate

cou

ntry

roc

k is

exp

osed

fo

r 1,

650

ft s

trik

es a

ppro

xim

atel

y N

. 60

° W

. an

d di

ps 5

to 6

5° S

W.

The

vein

is

15

ft,

loca

lly

frac

ture

d,

has

min

or a

mou

nts

of g

alen

a,

chal

copy

rite

, an

d bo

rnit

e w

ith s

econ

dary

iro

n an

d co

pper

sta

ins

alon

g fr

actu

red

surf

aces

.

Qua

rtzi

te,

shal

e,

and

lim

esto

ne b

eds

stri

ke

75°

to 8

5° H

E.

and

dip

stee

ply

to t

he n

orth

wes

t. Ir

on-

and

copp

er-s

tain

ed a

lter

ed a

reas

and

sm

all

quar

tz-e

pido

te t

acti

te b

odie

s pr

esen

t al

ong

som

e ar

eas

of c

onta

ct b

etw

een

the

sedi

men

tary

roc

ks

and

quar

tz m

onzo

nite

in

tru

siv

e.

A th

in z

one

of m

agne

tite

and

epi

dote

is

pres

ent

alon

g a

cher

ty l

imes

tone

-qua

rtz

and

mon

zoni

te

cont

act.

Iron

- an

d m

anga

nese

-sta

ined

qua

rtz-

vein

flo

at i

n qu

artz

mon

zoni

te.

Hig

hly

frac

ture

d gr

ay l

imes

tone

str

ikes

to

the

nort

h w

ith a

55°

to

83°

E.

dip.

So

me

beds

are

lo

call

y r

ecry

stal

lize

d w

ith c

alci

te v

eins

and

vei

nle

ts,

and

2- o

r 3

-in

.-th

ick

fr

actu

res

are

fill

ed b

y go

uge.

Bed

ding

-pla

ne s

hear

zon

es l

ess

than

1 ft

thi

ck

cont

ain

frac

ture

d li

mes

tone

, se

cond

ary

calc

ite,

si

der

ite,

qu

artz

vei

nle

ts,

and

heav

y li

mon

ite

stai

nin

g.

The

prop

erty

has

20

adit

s ra

ngin

g fr

om 2

to

220

ft l

ong

and

20 p

its

and

tren

ches

. T

otal

un

derg

roun

d de

velo

pmen

t is

1,

500

ft.

Two

pit

s an

d a

13-f

t-lo

ng o

pen

cut

lead

to

a 10

-ft-

long

adit

.

A 14-f

t-lo

ng t

rench

.

One

pit.

A 45

-ft-

long

ad

it a

nd a

sm

all

pit

.

thre

e ad

its

32,

40,

and

60 f

t lo

ng a

nd n

ine

pit

s.

A 22

0-ft

-lon

g m

iner

aliz

ed p

art

of t

he

1,65

0-ft

-lon

g qu

artz

vei

n co

ntai

ns a

n es

tim

ated

2,8

00 t

ons

of i

nfer

red

sube

cono

mic

res

ourc

es w

ith a

wei

ghte

d av

erag

e gr

ade

of 5

.38

oz s

ilver

per

ton

, 7.

48°p

erce

nt l

ead,

and

0.1

9 pe

rcen

t co

pper

. W

arin

g an

d H

ugue

nin

(191

9,

p.

117)

re

port

ed t

hat

th

is p

rope

rty

had

mol

ybde

num

; ho

wev

er,

no m

olyb

denu

m

was

det

ecte

d fn

our

sam

ples

.

Thr

ee c

hip

sam

ples

tak

en f

rom

int

ense

ly

alte

red

con

tact

are

a sh

ow a

tra

ce o

f go

ld,

as m

uch

as 0

.2 o

z si

lver

per

ton

, an

d fr

om 0

.01

to 0

.20

perc

ent

copp

er.

A du

mp

sam

ple

cont

aine

d si

mil

ar v

alue

s.

A gr

ab s

ampl

e of

roc

k fr

om t

he c

onta

ct

area

con

tain

ed a

tra

ce o

f go

ld a

nd 0

.1

oz s

ilver

per

ton

.

One

gra

ta s

ampl

e ha

d 0.

01

oz g

old

per

ton

and

0.04

per

cent

cop

per.

Thr

ee c

hip

sam

ples

and

one

gra

b sa

mpl

e ea

ch c

onta

ined

tra

ces

of g

old

and

copp

er.

Ten

chip

and

sev

en g

rab

sam

ples

wer

e ta

ken.

A

chip

sam

ple

from

acr

oss

a sh

ear

zone

con

tain

ed a

tra

ce o

f go

ld

and

0.6

oz s

ilver

per

ton

. Tw

o gr

ab

sam

ples

fro

m w

aste

dum

ps o

f tw

o pit

s as

saye

d 1.

9 an

d 0.

8 oz

sil

ver

per

ton

an

d a

trac

e of

gol

d ea

ch.

Page 32: Steven W. Schmauch U.S. Bureau of Mines - USGSA chip sample from across the phyllite- dolomite contact contained no significant values. The quartz assayed 0.1 oz gold per ton and 0.3

Tab

le

2.

Su

mm

ary

of

min

es

and

pro

spect

s in

th

e

And

rew

s M

ou

nta

in,

Maz

ourk

a,

and

Paiu

te

Roa

dles

s A

rea

s C

on

tinu

ed

Map

no

.Na

meSu

mm

ary

Wor

king

s an

d p

rod

uct

ion

Res

ourc

e/sa

mpl

e da

ta

159

Silv

er

Dolla

r N

os.

1-5

160

Den

nis

Jr.

m

ine

(Onw

ard

nos,

1

-6)

Dis

con

tinu

ou

s,

fau

lte

d,

we

st-

and

nort

h-t

rendin

g

shea

r zo

nes

are

in

a g

ray-

blu

e

lime

sto

ne

0

.4

to

1.0

ft th

ick.

She

ars

are

com

pose

d of

limonite

and

goug

e an

d tr

ace

s of

chry

soco

lla

sta

in

on

fra

ctu

res.

A 250-f

t-lo

ng,

10-

to 3

0-f

t-th

ick silic

ifie

d

shea

r zo

ne

grad

es in

to

a 140-f

t-lo

ng,

10

-ft-

th

ick ta

ctite

zo

ne.

The

shea

r zo

ne

is

dom

inat

ed

by ja

sp

ero

id lim

onite w

ith

acco

mpa

nyin

g fr

actu

re-

fillin

g lim

onite

and

pyro

lusite.

One

bo

dy of

jasp

ero

id lim

onite is

ex

pose

d fo

r 60

ft

and

is

1 to

8

ft th

ick.

The

tactite

is

main

ly fin

e-

to

coa

rse

-gra

ine

d,

gree

n gro

ssula

n'te

g

arn

et

with

m

inor

seco

ndar

y calc

ite.

Th

is

str

uctu

re lie

s

betw

een

nearly

vert

ical

beds

of

lime

sto

ne

an

d sh

ale

a

dja

cen

t to

a

gra

nitic

plu

ton.

Fiv

e pits

ave

ragin

g

7 by

11

ft

, on

e ca

ved

adit.

A 2

0-f

t op

en

cut

lea

ds

to

a 37

- ft-d

eep sh

aft

and

a

65-f

t-lo

ng

adit.

Oth

er

wo

rkin

gs

incl

ude

a ca

ved

adit a

nd five

shallo

w p

its.

Sev

en ch

ip

sam

ples

an

d on

e gr

ab

sam

ple

from

th

e sh

ear

zone

s co

nta

ined

from

a

trace

to

0

.6

oz silver

per

ton.

Gol

d an

d co

pper

va

lues

wer

e in

sig

nific

an

t.

Ele

ven

ch

ip,

one

gra

b,

and

two

se

lect

sam

ples

w

ere

take

n.

Gol

d va

lue

s ra

nged

fr

om

a tr

ace

to

0.

07

oz

per

ton,

and

one

sam

ple

had

0.1

perc

ent

cop

pe

r.

The

sam

ples

co

nta

ine

d

no

W03

-

II

The

thre

e

num

bers

in

pa

rent

hese

s be

low

"u

nkno

wn"

na

me

refe

r to

se

ctio

n,

tow

nsh

ip,

and

range,

with

re

spe

ct to

th

e

Mou

nt D

iablo

B

ase

and

Meridia

n.

2J

This

p

rop

ert

y w

ould

not

retu

rn

enou

gh

reve

nue

to

be cla

ssifie

d

as

a su

beco

nom

ic

reso

urc

e,

base

d on

hyp

oth

etic

al

pro

du

ctio

n

cost

s fo

r th

is

deposi

t alo

ne.

How

ever

, it is

fa

vora

bly

lo

cate

d fo

r p

oss

ible

co

nso

lidate

d

deve

lopm

ent

with

oth

er

de

po

sits

an

d,

view

ed collectively

, th

ey

rep

rese

nt

reso

urc

es.