BGS mineralogy and petrology collection record

Sample number S22343
Sample Donor Richey, James E.
Rock name 'Original entry: Quartz-Dolerite'
Stratigraphy Not entered
Comments Porphyritic quartz-gabbro, normal rock
Locality details At northernmost croft, Achosnich
50k map sheet Coll (51)

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Map reference NM 4446 6720
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


S22343

Cross Polarized, S22343

Plane Polarized, S22343

Plane Polarized, S22343