BGS mineralogy and petrology collection record

Sample number S39541
Sample Donor Macgregor,A.G.
Rock name 'Original entry: Biotite-Hornblende Schist'
Stratigraphy Not entered
Comments ?Biotitic hornblende schist; locality of photo C. 3650. Specimens of various bits of broken-up "hornblende schist" enclosed in "biotite tonalite" grading into aplitic and almost pegmatitic modifications
Locality details 700 yds W of SW end of South Bellsgrove Loch
50k map sheet Tobermory (52)

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Map reference NM 8375 6579
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


S39541

Cross Polarized, S39541

Plane Polarized, S39541

Plane Polarized, S39541