BGS mineralogy and petrology collection record

Sample number S40814; COLLNOXJ636;
Sample Donor Johnstone,G.S.
Rock name 'Original entry: Granodiorite'
Stratigraphy Not entered
Comments Ascending sequence in 300 ft thick mass, seen in corrie lip: granodiorite, variety of S. 40812
Locality details Allt Coire Odhair Beag, 1650 yds from junction 1145 Amhainn Chia-aig
50k map sheet Loch Eil (62)

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Map reference NN 2141 9303
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


S40814

Cross Polarized, S40814

Plane Polarized, S40814

Plane Polarized, S40814