BGS mineralogy and petrology collection record

Sample number S21587
Sample Donor Richey, James E.
Rock name 'Original entry: Quartz-Gabbro'
Stratigraphy Not entered
Comments Gabbro, ?quartz; Memoir, p. 302
Locality details 1650 yds N 10 deg E of Greadal Fhinn (chambered cairn)
50k map sheet Coll (51)

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Map reference NM 4791 6543
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


S21587

Cross Polarized, S21587

Plane Polarized, S21587

Plane Polarized, S21587