BGS mineralogy and petrology collection record

Sample number N11364; N11364/a; N11364/b; COLLNODO912;
Sample Donor Barber, Anthony J. Emeritus Royal Holloway Collage
Rock name 'Original entry: Biotite Gneiss'
Stratigraphy Not entered
Comments Not entered
Locality details Avernish Point
50k map sheet Glenelg (71)

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Map reference NG 834 256
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


N11364/a

Cross Polarized, N11364/a

Plane Polarized, N11364/a

Plane Polarized, N11364/a


N11364/b

Cross Polarized, N11364/b

Plane Polarized, N11364/b

Plane Polarized, N11364/b