BGS mineralogy and petrology collection record

Sample number S21520; S21520/A; S21520/B;
Sample Donor Richey, James E.
Rock name 'Original entry: Granophyre'
Stratigraphy Not entered
Comments 14 ft sheet-like mass in gabbro; Memoir, p. 228, 260
Locality details 1100 yds N 35 deg W of Grigadale
50k map sheet Coll (51)

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Map reference NM 4268 6799
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


S21520

Cross Polarized, S21520

Plane Polarized, S21520

Plane Polarized, S21520


S21520/A

Cross Polarized, S21520/A

Plane Polarized, S21520/A

Plane Polarized, S21520/A


S21520/B

Cross Polarized, S21520/B

Plane Polarized, S21520/B

Plane Polarized, S21520/B