BGS mineralogy and petrology collection record

Sample number S11079
Sample Donor Barrow, G.
Rock name 'Original entry: Feldspathic Gneiss'
Stratigraphy Not entered
Comments Massive, dark, banded. Probably a shale, part of the Dark Schist. Films of red biotite. Abundant oligoclase and a little quartz.
Locality details N of Conolach Mhor
50k map sheet Kingussie (64)

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Map reference NN 931 773
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


S11079

Cross Polarized, S11079

Plane Polarized, S11079

Plane Polarized, S11079