Download - Sections B6 - B9
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Recording Form Section B
B6-B9: Recording the Panel
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Preparing the panel (See GS4)
Please do not ‘Excavate’ panels (no matter how tempting!) Pull back turf/heather Clean away lichen and moss Use any ‘hard’ tools
x
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Please don’t do this!
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‘Cleaning’
Before recording, and especially before photography you should:
brush away loose material (e.g. sheep droppings, dead leaves)
trim away overhanging stems, long grass around the edges
soak up any excess water
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B6 Panel Details
Dimensions (may be different to IAG) Maximum W, L, H In m, to nearest cm,
e.g. 1.24 m
Max Height
LengthLength
Width
Plan view
Profile
<�w �b“<�w
<�w �b<�w �
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B6 Panel Details
Geology All sedimentary, ‘Millstone Grit Series’?
Natural features Fissures, hollows, channels, bedding planes Dominant direction of fissures
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Fissures
• The result of mechanical weathering (freeze-thaw) or pressure of tree roots
• The presence of fissures, and the type of ‘frames’ they form may influence the motifs applied to the rock surface.
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Fissure ‘star’, Grasmere, Cumbria.
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Hollows In sedimentary rocks, natural circular hollows can
occur as a result of:
differential erosion
concretions - cementing material precipitates
around an organic nucleus
They often appear in rows, concentrated along bedding planes.
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Cup marksNatural hollows
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Bedding planes
Many sedimentary rocks are deposited in layers that geologists call strata or ‘bedding planes’. Each one represents the sea bed or land surface at the time it was laid down.
The bedding planes were originally deposited horizontally but when the Earth’s crust moves they may become tilted and folded.
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Waves and ripples at Loweswater, Cumbria.
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Weathering channels/fluting
Dissolution of soluble rock surface by acids in the water which flows across it.
Smooth and rounded (as opposed to fissures - sharp and angular).
The term ‘fluting’ is applied to the same phenomenon where it occurs in the vertical plane.
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B6 Panel Details
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Analysing sandstone
Different ‘types’ of sandstone with different sand grain sizes and different qualities of hardness related to how these sand grains are cemented together
Implications for conservation and management decay rates biological growths present
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B6 Analysing sandstone
Surface compactness
Unconsolidated – flaky and falling apart
Very friable – leaves grains on your fingers
Friable – leaves just a few grains
Hard – no traces of grains
Please test this away from the motifs!
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B6 Analysing sandstone
Grain size- use your card and lens
The grains are quite small (roughly 0.5-2mm) and rounded, and can usually be seen clearly with a hand lens.
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B6 Analysing sandstone (see GS6)
White/cream/browny-orange grains. Generally rectangular. Can make up about 20% of sandstones. Usually in local sandstones the feldspar has decayed is stained browny-red. Often these grains are simply washed away, leaving neat rectangular gaps in the rock
Feldspar
Thin sheets of highly reflective grains, usually white-buff in colour (muscovite), usually found along bedding surfaces in fine sandstones (these become layers of weakness along which fine sandstones can be split
Mica
Transparent/white, usually near spherical (80-100% of grains in sandstones, usually >95%)
Quartz
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Sandstone (with mica): A fairly fine-grained sandstone made of rather angular grains of quartz and feldspar (feldspar looks more cloudy). Narrow flakes of mica, seen edge-on, and slightly crumpled, lie on bedding planes.
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Panel Notes (B7) & Panel Plan (B8)
Easiest to do plan first, then refer to it in notes
Many panels to be recorded will already have a panel plan and profile created by the IAG – these will be provided (may need scanning)
There is no requirement to produce a new plan, however, the IAG drawings were made between 1976 and 2002, and so may need updating
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B8 Panel Plan cont.
The following checks should be made and the existing plan clearly annotated to show any changes:
Turf line. Vegetation may have encroached on the panel, or it may have receded..
Graffiti or other damage.
Additional motifs. This may be because more of the surface has been exposed.
Motifs which are no longer visible. This may be because they have become extremely eroded.
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B8 Panel Plan – IAG drawing
Also add:
Either a scale or measurements
Profiles & indicate x-sections
North arrow
1.60m
1.2
8m
0.35m
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B8 Panel Plan – no IAG drawing
Should provide an approx. record of the panel and the motifs to help with future identification.
It is not an accurate record and does not need to be completed in fine detail or be highly artistic.
You may prefer to use a soft pencil to create the sketch but please trace over this with stronger black lines. This will ensure that the sketch can be easily scanned for inclusion in the database.
A continuation sheet (RF1a) is available for large panels.
You will need to make a measured plan of the stone to scale, showing the shape, the location and relationship of the motifs and natural features (fissures, hollows etc.).
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B8 Panel Plan – no IAG drawing
Before you start, work out a scale so that the panel fills most of the available space
Small panels can be drawn at 1:10 (1m = 10cm) but larger panels may need to be drawn at 1:20 (1m = 5cm) or smaller scales
Remember to note the scale and add a North arrow in the box provided
Start with the outline and then fill in the detail
Always colour in cups so they cannot be confused with rings
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B8 Panel Plan
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B8 Panel Plan
EW Tape
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B7 Panel Notes (See also GS14)
IAG description plus your own observations
Combined notes should provide a concise description of the panel, summarising: the immediate context; the shape and size of the panel; the position and nature of the motifs; the natural features on the rock surface; and any other comments observations or
impressions.
Use the continuation box on page 6 if needed.
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IAG Description
“Small, flat, weathered rock. About eight cups, two basins and three grooves [IAG2003]”
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Panel Notes cont.
Avoid using unhelpful terms like ‘large’ or ‘small’
Do use relative terms like ‘larger’ or ‘deeper’, for example ‘A cup in the NE corner is surrounded by four smaller, shallower cups’
If it helps, include measurements such as diameters or distances (not essential)
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Panel Notes cont.
Please do not include overly critical comments about previous records.
Use a neutral phrase such as ‘the motif cannot currently be detected’.
f you strongly disagree about the nature of motifs recorded you may wish to include a comment such as ‘the cup may have natural origins’ or ‘a natural origin cannot be discounted’.
It is extremely difficult to be completely sure in many cases.
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B7 Panel Notes
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B9 Motifs
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B9 Motifs
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Motifs
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Motifs
2 cups, 1 dumb-bell
1 cup
1 curving l ine of cups
1 serpentine groove.
1 groove and cups
1 paral lel domino
2 clusters?
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Motifs
1 cup with mult iple ring
2 cups
2 cup clusters
1 arc
2 cups
1 cup and mult iple ring1 l inear groove
Describe in Panel Notes
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Motifs
18 cups, 8 cup+1ring,1 cup+groove, 1 l inear groove
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Motifs
31 cups, 2 cup+1ring,1 cup+arc, 11 l inear grooves