BGS mineralogy and petrology collection record

Sample number S51686; COLLNOYR1129;
Sample Donor Smith,D.I.
Rock name 'Original entry: Microdiorite'
Stratigraphy Not entered
Comments Microdiorite margin of S. 51685
Locality details Loch Awe Project (HE26): Brander Tunnel, 7205 ft from outfall
50k map sheet Oban (45)

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Map reference NN 0590 2863
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


S51686

Cross Polarized, S51686

Plane Polarized, S51686

Plane Polarized, S51686