BGS mineralogy and petrology collection record

Sample number S10428
Sample Donor Crampton, Cecil B.
Rock name 'Original entry: Augen Gneiss: Muscovite-Biotite Granite Porphyry?'
Stratigraphy Not entered
Comments Sheared and passing into augen granite gneiss
Locality details 1 mile ESE of Carn Beinn a'Chaisteal
50k map sheet Alness (93)

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Map reference NH 395 806
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


S10428

Cross Polarized, S10428

Plane Polarized, S10428

Plane Polarized, S10428