BGS mineralogy and petrology collection record

Sample number N11536; N11536/A; N11536/B; COLLNODO1086;
Sample Donor Barber, Anthony J. Emeritus Royal Holloway Collage
Rock name 'Original entry: Biotite Gneiss'
Stratigraphy Not entered
Comments With two lineations
Locality details N of Gleannan Valley, Bundalloch
50k map sheet Cluanie (72)

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Map reference NG 908 282
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


N11536

Cross Polarized, N11536

Plane Polarized, N11536

Plane Polarized, N11536


N11536/A

Cross Polarized, N11536/A

Plane Polarized, N11536/A

Plane Polarized, N11536/A


N11536/B

Cross Polarized, N11536/B

Plane Polarized, N11536/B

Plane Polarized, N11536/B