BGS mineralogy and petrology collection record

Sample number S21250; S21250/A;
Sample Donor Richey, James E.
Rock name 'Original entry: Biotite Eucrite'
Stratigraphy Not entered
Comments Ring dyke; member of Tertiary plutonic complex; Memoir, p. 85
Locality details Bank of Allt Uamha na Muise 1 mile E 38 deg S of Achnaha
50k map sheet Coll (51)

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Map reference NM 4766 6739
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


S21250

Cross Polarized, S21250

Plane Polarized, S21250

Plane Polarized, S21250


S21250/A

Cross Polarized, S21250/A

Plane Polarized, S21250/A

Plane Polarized, S21250/A