BGS mineralogy and petrology collection record

Sample number S40443
Sample Donor Greig,D.C.
Rock name Not entered
Stratigraphy Not entered
Comments Fine granite a few yards NE of a broad tholeiite dyke
Locality details 1250 yards SSE of Beinn Bhreac; 970 yards ENE of Beinn Bharrain (2368 point)
50k map sheet Arran (Millport) (21)

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Map reference NR 910 432
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


S40443

Cross Polarized, S40443

Plane Polarized, S40443

Plane Polarized, S40443