BGS mineralogy and petrology collection record

Sample number S21492
Sample Donor Richey, James E.
Rock name 'Original entry: Olivine-Gabbro'
Stratigraphy Not entered
Comments Medium-grained gabbro with ?structure; Memoir, p. 327
Locality details 400 yds W of Achnaha
50k map sheet Coll (51)

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Map reference NM 4596 6831
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


S21492

Cross Polarized, S21492

Plane Polarized, S21492

Plane Polarized, S21492