BGS mineralogy and petrology collection record

Sample number S37052
Sample Donor Johnstone,G.S.
Rock name 'Original entry: Altered Dolerite'
Stratigraphy Not entered
Comments Lower portion of sill (perhaps separate sill)
Locality details Rock face 300 ft N of Craighall Farm 'Tower'
50k map sheet North Berwick (41)

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Map reference NO 4058 1071
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


S37052

Cross Polarized, S37052

Plane Polarized, S37052

Plane Polarized, S37052