BGS mineralogy and petrology collection record

Sample number S21500; S21500/A; S21500/B;
Sample Donor Richey, James E.
Rock name 'Original entry: Gabbro'
Stratigraphy Not entered
Comments Gabbro; Memoir, p. 225
Locality details Shore 700 yds WSW of summit of Beinn nan Codhan
50k map sheet Coll (51)

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Map reference NM 4353 6323
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


S21500

Cross Polarized, S21500

Plane Polarized, S21500

Plane Polarized, S21500


S21500/A

Cross Polarized, S21500/A

Plane Polarized, S21500/A

Plane Polarized, S21500/A


S21500/B

Cross Polarized, S21500/B

Plane Polarized, S21500/B

Plane Polarized, S21500/B