BGS mineralogy and petrology collection record

Sample number S77475; COLLNOMY615;
Sample Donor Gould,D.
Rock name Gneiss. 'Original entry: Biotite Gneiss'
Stratigraphy Not entered
Comments Grey tough gneiss with 5mm biotite spots
Locality details 200m SE of Cairncosh
50k map sheet Alford (76W)

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Map reference NJ 5774 1902
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


S77475

Cross Polarized, S77475

Plane Polarized, S77475

Plane Polarized, S77475