BGS mineralogy and petrology collection record

Sample number S7522
Sample Donor Gunn, W.
Rock name 'Original entry: Quartz Diorite'
Stratigraphy Not entered
Comments Quartz diorite
Locality details 0.25 miles SW of triangulation point at 1341 feet on Cnoc Dubh
50k map sheet Arran (Millport) (21)

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Map reference NR 974 346
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


S7522

Cross Polarized, S7522

Plane Polarized, S7522

Plane Polarized, S7522