BGS mineralogy and petrology collection record

Sample number S21475
Sample Donor Richey, James E.
Rock name 'Original entry: Gabbro'
Stratigraphy Not entered
Comments Middle belt between central acid intrusion and eucrite ?Ring dyke; Memoir pp. 332, 353
Locality details 1450 yds SE of Achnaha
50k map sheet Coll (51)

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Map reference NM 4724 6722
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


S21475

Cross Polarized, S21475

Plane Polarized, S21475

Plane Polarized, S21475