BGS mineralogy and petrology collection record

Sample number S39509
Sample Donor Macgregor,A.G.
Rock name 'Original entry: Contact-Altered Psammitic Schist'
Stratigraphy Not entered
Comments "Siliceous gneiss"; screen in tonalite
Locality details 300 yds SE of South Bellsgrove Loch, E end
50k map sheet Tobermory (52)

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Map reference NM 8476 6535
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


S39509

Cross Polarized, S39509

Plane Polarized, S39509

Plane Polarized, S39509