BGS mineralogy and petrology collection record

Sample number S21574
Sample Donor Richey, James E.
Rock name 'Original entry: Quartz-Dolerite'
Stratigraphy Not entered
Comments Quartz-dolerite; Memoir,p. 245
Locality details 1100 yds W of Aodann
50k map sheet Coll (51)

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Map reference NM 4419 6640
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


S21574

Cross Polarized, S21574

Plane Polarized, S21574

Plane Polarized, S21574