BGS mineralogy and petrology collection record

Sample number S40072
Sample Donor Macgregor,A.G.
Rock name 'Original entry: Adamellite ?(Granodiorite)'
Stratigraphy Not entered
Comments From edge of granodiorite (abnormal, fine-grained and biotitic) against SE edge of 2 ft blue-grey dyke on NW edge of which is tonalite
Locality details S shore of Loch Sunart, 150 yds E 48 deg N of Liddesdale
50k map sheet Tobermory (52)

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Map reference NM 7802 5975
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


S40072

Cross Polarized, S40072

Plane Polarized, S40072

Plane Polarized, S40072