BGS mineralogy and petrology collection record

Sample number S21507
Sample Donor Richey, James E.
Rock name 'Original entry: Olivine-Gabbro'
Stratigraphy Not entered
Comments Gabbro without (W of) CO ring dyke; Memoir, p. 306
Locality details 900 yds W 5 deg S of Achnaha
50k map sheet Coll (51)

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Map reference NM 4530 6819
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


S21507

Cross Polarized, S21507

Plane Polarized, S21507

Plane Polarized, S21507