BGS mineralogy and petrology collection record

Sample number S22621
Sample Donor Richey, James E.
Rock name 'Original entry: Sedimentary Rock, Thermally Metamorphosed'
Stratigraphy Not entered
Comments Country rock between cone-sheets successively from Great Eucrite margin, cf. S. 22439; Memoir, p. 309
Locality details 500 yds SE of Rudha Groulin
50k map sheet Coll (51)

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Map reference NM 4699 7064
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


S22621

Cross Polarized, S22621

Plane Polarized, S22621

Plane Polarized, S22621