BGS mineralogy and petrology collection record

Sample number S40776
Sample Donor Johnstone,G.S.
Rock name 'Original entry: Lamprophyre/Diorite Contact'
Stratigraphy Not entered
Comments Junction of S. 40774 and S. 40775
Locality details From river fork 1302 ft, Coire Mhuic, 1100 yds downstream in Allt Mhuic
50k map sheet Loch Eil (62)

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Map reference NN 1291 9300
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


S40776

Cross Polarized, S40776

Plane Polarized, S40776

Plane Polarized, S40776