BGS mineralogy and petrology collection record

Sample number S8197
Sample Donor Wilson, J.S.G.
Rock name 'Original entry: Quartz-Biotite Granulite'
Stratigraphy Not entered
Comments Ash composed largely of these fragments
Locality details Stob a' Ghrianain
50k map sheet Loch Eil (62)

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Map reference NN 087 821
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


S8197

Cross Polarized, S8197

Plane Polarized, S8197

Plane Polarized, S8197