BGS mineralogy and petrology collection record

Sample number S21807
Sample Donor Richey, James E.
Rock name 'Original entry: Olivine-Gabbro'
Stratigraphy Not entered
Comments Fluxion biotite gabbro; Memoir, p. 336
Locality details 1200 yds NE of Achnaha
50k map sheet Coll (51)

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Map reference NM 4704 6902
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


S21807

Cross Polarized, S21807

Plane Polarized, S21807

Plane Polarized, S21807