BGS mineralogy and petrology collection record

Sample number S21841
Sample Donor Richey, James E.
Rock name 'Original entry: Dolerite'
Stratigraphy Not entered
Comments NW basic dyke; Memoir, p. 353
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 4774 6338
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


S21841

Cross Polarized, S21841

Plane Polarized, S21841

Plane Polarized, S21841