BGS mineralogy and petrology collection record

Sample number S21569
Sample Donor Richey, James E.
Rock name 'Original entry: Granophyric Felsite'
Stratigraphy Not entered
Comments 30 ft felsite dyke; Memoir, p. 379
Locality details 1000 yds W 15 deg S of Aodann
50k map sheet Coll (51)

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Map reference NM 4430 6621
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


S21569

Cross Polarized, S21569

Plane Polarized, S21569

Plane Polarized, S21569