BGS mineralogy and petrology collection record

Sample number S21505
Sample Donor Richey, James E.
Rock name 'Original entry: Gabbro'
Stratigraphy Not entered
Comments Thin bands in coarse gabbro
Locality details 750 yds N 35 deg E of Portuairk
50k map sheet Coll (51)

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Map reference NM 4444 6864
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


S21505

Cross Polarized, S21505

Plane Polarized, S21505

Plane Polarized, S21505