BGS mineralogy and petrology collection record

Sample number S21806
Sample Donor Richey, James E.
Rock name 'Original entry: Olivine-Gabbro'
Stratigraphy Not entered
Comments Biotite gabbro, ?the fluxion gabbro; Memoir, p. 335
Locality details 1000 yds E 5 deg N of Achnaha
50k map sheet Coll (51)

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Map reference NM 4812 6853
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


S21806

Cross Polarized, S21806

Plane Polarized, S21806

Plane Polarized, S21806