BGS mineralogy and petrology collection record

Sample number S40773; COLLNOXJ547;
Sample Donor Johnstone,G.S.
Rock name 'Original entry: Grey Mica Granite'
Stratigraphy Not entered
Comments ?Sheet-like grey mica granite of Loch Arkaig hills
Locality details From river fork 1302 ft, Coire Mhuic, S 42 deg E, 1000 yds
50k map sheet Loch Eil (62)

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Map reference NN 1401 9309
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


S40773

Cross Polarized, S40773

Plane Polarized, S40773

Plane Polarized, S40773