BGS mineralogy and petrology collection record

Sample number S21808
Sample Donor Richey, James E.
Rock name 'Original entry: Gabbro, Acidified'
Stratigraphy Not entered
Comments Coarse gabbro ?quartz; Memoir, p. 336
Locality details 1200 yds N 30 deg E of Achnaha
50k map sheet Coll (51)

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Map reference NM 4697 6917
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


S21808

Cross Polarized, S21808

Plane Polarized, S21808

Plane Polarized, S21808