BGS mineralogy and petrology collection record

Sample number S41892
Sample Donor Flett,J.S.; Kynaston, Herbert;
Rock name 'Original entry: Trachyte'
Stratigraphy Not entered
Comments Trachyte
Locality details Bass Rock
50k map sheet North Berwick (41)

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Map reference NT 602 873
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


S41892

Cross Polarized, S41892

Plane Polarized, S41892

Plane Polarized, S41892