BGS mineralogy and petrology collection record

Sample number S22670
Sample Donor Richey, James E.
Rock name 'Original entry: Gabbro'
Stratigraphy Not entered
Comments 6 ft lenticle p. gabbro in outer gabbro; Memoir, p. 231
Locality details 1400 yds S 5 deg W of Lighthouse
50k map sheet Coll (51)

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Map reference NM 4149 6623
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


S22670

Cross Polarized, S22670

Plane Polarized, S22670

Plane Polarized, S22670