BGS mineralogy and petrology collection record

Sample number N11784; N11784/A; N11784/B; COLLNODO1431;
Sample Donor Barber, Anthony J. Emeritus Royal Holloway Collage
Rock name 'Original entry: Garnet Amphibolite'
Stratigraphy Not entered
Comments Western Lewisian
Locality details N shore of Loch Anna, Beinn Conchra, Lochalsh
50k map sheet Glenelg (71)

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Map reference NG 877 294
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


N11784

Cross Polarized, N11784

Plane Polarized, N11784

Plane Polarized, N11784


N11784/A

Cross Polarized, N11784/A

Plane Polarized, N11784/A

Plane Polarized, N11784/A


N11784/B

Cross Polarized, N11784/B

Plane Polarized, N11784/B

Plane Polarized, N11784/B