BGS mineralogy and petrology collection record

Sample number S21550
Sample Donor Richey, James E.
Rock name 'Original entry: Olivine-Hypersthene Gabbro (Abnormal Type)'
Stratigraphy Not entered
Comments Gabbro? Memoir, p. 225
Locality details 600 yds E 35 deg N of Plocaig
50k map sheet Coll (51)

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Map reference NM 4575 7021
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


S21550

Cross Polarized, S21550

Plane Polarized, S21550

Plane Polarized, S21550