BGS mineralogy and petrology collection record

Sample number N11420; COLLNODO968;
Sample Donor Barber, Anthony J. Emeritus Royal Holloway Collage
Rock name 'Original entry: Biotite Gneiss'
Stratigraphy Not entered
Comments With chlorite tension gashes
Locality details Quarry by sheepfold, Conchra
50k map sheet Cluanie (72)

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Map reference NG 893 280
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


N11420

Cross Polarized, N11420

Plane Polarized, N11420

Plane Polarized, N11420