BGS mineralogy and petrology collection record

Sample number S10431
Sample Donor Crampton, Cecil B.
Rock name 'Original entry: Augen Gneiss: Granite Porphyry?'
Stratigraphy Not entered
Comments Sheared
Locality details 1900 yds SE of Carn Beinn a'Chaisteal
50k map sheet Alness (93)

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Map reference NH 392 799
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


S10431

Cross Polarized, S10431

Plane Polarized, S10431

Plane Polarized, S10431