BGS mineralogy and petrology collection record

Sample number S40785; COLLNOXJ595;
Sample Donor Johnstone,G.S.
Rock name 'Original entry: Microgranite To Microdiorite'
Stratigraphy Not entered
Comments Sheet from series of parallel sheets, propbably east-dipping, showing variation of types of the microdiorite to microgranite suite
Locality details Sgurr Choinich, summit
50k map sheet Loch Eil (62)

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Map reference NN 1262 9501
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


S40785

Cross Polarized, S40785

Plane Polarized, S40785

Plane Polarized, S40785