BGS mineralogy and petrology collection record

Sample number S21491
Sample Donor Richey, James E.
Rock name 'Original entry: Gabbro'
Stratigraphy Not entered
Comments Medium-grained gabbro with ?structure; Memoir, p. 336
Locality details 350 yds NE of Achnaha
50k map sheet Coll (51)

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Map reference NM 4658 6844
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


S21491

Cross Polarized, S21491

Plane Polarized, S21491

Plane Polarized, S21491