BGS mineralogy and petrology collection record

Sample number S43896; COLLNOXJ1058;
Sample Donor Johnstone,G.S.
Rock name 'Original entry: Altered Psammite'
Stratigraphy Not entered
Comments Altered psammite, from 15 ft section at margin of granite gneiss
Locality details 480 yds E 40 deg N of summit of Fraoch Bheinn
50k map sheet Loch Eil (62)

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Map reference NM 9896 9428
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


S43896

Cross Polarized, S43896

Plane Polarized, S43896

Plane Polarized, S43896