BGS mineralogy and petrology collection record

Sample number S21842
Sample Donor Richey, James E.
Rock name 'Original entry: Olivine-Dolerite'
Stratigraphy Not entered
Comments NW basic dyke; Memoir, p. 351
Locality details 600 yds S 10 deg E of Greadal Fhinn (chambered cairn)
50k map sheet Coll (51)

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Map reference NM 4767 6337
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


S21842

Cross Polarized, S21842

Plane Polarized, S21842

Plane Polarized, S21842