BGS mineralogy and petrology collection record

Sample number S37051
Sample Donor Johnstone,G.S.
Rock name 'Original entry: Altered Dolerite'
Stratigraphy Not entered
Comments Upper portion of sill (perhaps separate sill)
Locality details 500 ft N 12 deg E of Craighall Farm 'Tower':in old quarry
50k map sheet North Berwick (41)

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Map reference NO 4071 1078
Year collected Not entered 
Bore name Not applicable
Confidentiality No restrictions

Petrological thin sections

Links to high resolution images

Transition from XPL to PPL light


S37051

Cross Polarized, S37051

Plane Polarized, S37051

Plane Polarized, S37051