BGS mineralogy and petrology collection record

Sample number S16540
Sample Donor Clough, C.T.
Rock name 'Original entry: ?Soda Aplite'
Stratigraphy Not entered
Comments Probably old granite, sp. gr. 2.74
Locality details Allt Ghillecaluim, 2850 ft below loch in Coire a' Mhaim
50k map sheet Mull (44)

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Map reference NM 5778 3100
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


S16540

Cross Polarized, S16540

Plane Polarized, S16540

Plane Polarized, S16540