BGS mineralogy and petrology collection record

Sample number S21585
Sample Donor Richey, James E.
Rock name 'Original entry: Quartz-Gabbro'
Stratigraphy Not entered
Comments Quartz-dolerite or -gabbro; Memoir, p. 287
Locality details 1500 yds NNE of Greadal Fhinn (chambered cairn)
50k map sheet Coll (51)

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Map reference NM 4824 6517
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


S21585

Cross Polarized, S21585

Plane Polarized, S21585

Plane Polarized, S21585