BGS mineralogy and petrology collection record

Sample number S40729
Sample Donor Greig,D.C.
Rock name Not entered
Stratigraphy Not entered
Comments Apparently impersistant dyke in fine granite
Locality details c. 1730 yards SE by S of N end of Loch Tanna; c. 710 yards NE by E of S end of Loch Tanna
50k map sheet Arran (Millport) (21)

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Map reference NR 926 427
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


S40729

Cross Polarized, S40729

Plane Polarized, S40729

Plane Polarized, S40729