BGS mineralogy and petrology collection record

Sample number S49540; COLLNOXM1593;
Sample Donor Francis,E.H.
Rock name 'Original entry: Fine-Grained Olivine-Basalt Tending To Basanite (?Glassy Base)'
Stratigraphy Not entered
Comments Basalt, ?lava or sill
Locality details 2200 ft W 27 deg S from Balbaird
50k map sheet North Berwick (41)

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Map reference NO 4287 0554
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


S49540

Cross Polarized, S49540

Plane Polarized, S49540

Plane Polarized, S49540