BGS mineralogy and petrology collection record

Sample number S7950
Sample Donor Geikie,A.
Rock name 'Original entry: Ophitic Dolerite'
Stratigraphy Not entered
Comments Not entered
Locality details Rock of Dubh Artach lighthouse
50k map sheet Colonsay (35)

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Map reference NM 122 030
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


S7950

Cross Polarized, S7950

Plane Polarized, S7950

Plane Polarized, S7950