BGS mineralogy and petrology collection record

Sample number S50491; S50491/A; S50491/B; COLLNOYH1146;
Sample Donor Forsyth,I.H.
Rock name 'Original entry: Teschenitic Esexite'
Stratigraphy Not entered
Comments Dolerite sill
Locality details Quarry 0.25 mile W of North Baldutho
50k map sheet North Berwick (41)

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Map reference NO 4941 0725
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


S50491

Cross Polarized, S50491

Plane Polarized, S50491

Plane Polarized, S50491


S50491/A

Cross Polarized, S50491/A

Plane Polarized, S50491/A

Plane Polarized, S50491/A


S50491/B

Cross Polarized, S50491/B

Plane Polarized, S50491/B

Plane Polarized, S50491/B