BGS mineralogy and petrology collection record

Sample number S22338
Sample Donor Richey, James E.
Rock name 'Original entry: Quartz-Dolerite'
Stratigraphy Not entered
Comments Quartz-gabbro at contact with later felsite; Memoir, p. 253
Locality details 560 yds S 5 deg W of Aodann
50k map sheet Coll (51)

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Map reference NM 4515 6586
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


S22338

Cross Polarized, S22338

Plane Polarized, S22338

Plane Polarized, S22338