BGS mineralogy and petrology collection record

Sample number S23634
Sample Donor Richey, James E.
Rock name 'Original entry: Gabbro / Granulite Junction'
Stratigraphy Not entered
Comments Junction of outer gabbro with band of granulite; Memoir p. 232
Locality details 1800 yds S 30 deg E of Lighthouse
50k map sheet Coll (51)

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Map reference NM 4190 6609
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


S23634

Cross Polarized, S23634

Plane Polarized, S23634

Plane Polarized, S23634