BGS mineralogy and petrology collection record

Sample number S71182
Sample Donor Rock,N.M.S.
Rock name 'Original entry: "Augite Diorite"'
Stratigraphy Not entered
Comments Southern outcrop of Scalasiag "augite diorite" intrusion (Caledonian); main part of intrusion, variant
Locality details N shore of Loch Staosnaig, E coast of Colonsay
50k map sheet Colonsay (35)

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Map reference NR 3916 9353
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


S71182

Cross Polarized, S71182

Plane Polarized, S71182

Plane Polarized, S71182