BGS mineralogy and petrology collection record

Sample number S10426
Sample Donor Crampton, Cecil B.
Rock name 'Original entry: Biotite-Hornbelde Gneiss: Hornblende Granite Porphyry?'
Stratigraphy Not entered
Comments Mixed rock
Locality details 1 mile E 10 deg S of Carn Beinn a'Chaisteal
50k map sheet Alness (93)

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Map reference NH 392 807
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


S10426

Cross Polarized, S10426

Plane Polarized, S10426

Plane Polarized, S10426