BGS mineralogy and petrology collection record

Sample number S21225
Sample Donor Simpson,J.B.
Rock name 'Original entry: Calc Quartz-Biotite-Garnet Schist'
Stratigraphy Not entered
Comments Calcareous seam in semipelitic gneiss, brought into relief by weathering
Locality details N shore of Loch Sunart, 200 yds NE of Rubha Aird Beithe
50k map sheet Tobermory (52)

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Map reference NM 6166 6047
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


S21225

Cross Polarized, S21225

Plane Polarized, S21225

Plane Polarized, S21225