BGS mineralogy and petrology collection record

Sample number S11093
Sample Donor Barrow, G.
Rock name 'Original entry: Garnet-Biotite Gneiss'
Stratigraphy Not entered
Comments Granulitic (Moine). Round weathering. Biotite and minute garnets in groundmass of granulitic quartz and feldspar (mostly plagioclase but a little microcline).
Locality details Dun Mhor
50k map sheet Kingussie (64)

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Map reference NN 96 79
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


S11093

Cross Polarized, S11093

Plane Polarized, S11093

Plane Polarized, S11093