BGS mineralogy and petrology collection record

Sample number S41454; ED6315;
Sample Donor ED Collection
Rock name 'Original entry: Dark Medium-Grained ?Mica Diorite'
Stratigraphy Not entered
Comments Dark medium-grained ?mica diorite from Arrochar Igneous Complex; Summ Prog No. 12, 1957, p. 16
Locality details Loch Sloy HE Scheme, Allt Sugach - Coiregrogain tunnel, 7827 ft from intake portal
50k map sheet Loch Lomond (38)

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Map reference NN 3019 0757
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


S41454

Cross Polarized, S41454

Plane Polarized, S41454

Plane Polarized, S41454