BGS mineralogy and petrology collection record

Sample number S21545
Sample Donor Richey, James E.
Rock name 'Original entry: Gabbro (Pegmatite)'
Stratigraphy Not entered
Comments Pegmatitic vein 2 inch thick in eucrite; Memoir, p. 308
Locality details 1600 yds NNE of Achnaha
50k map sheet Coll (51)

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Map reference NM 4708 6939
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


S21545

Cross Polarized, S21545

Plane Polarized, S21545

Plane Polarized, S21545