BGS mineralogy and petrology collection record

Sample number S22427
Sample Donor Richey, James E.
Rock name 'Original entry: Coarse Ophitic Dolerite'
Stratigraphy Not entered
Comments E-W dyke; Memoir, p. 352
Locality details 900 yds SE of Achnaha, N of track crossing stream
50k map sheet Coll (51)

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Map reference NM 4687 6766
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


S22427

Cross Polarized, S22427

Plane Polarized, S22427

Plane Polarized, S22427