BGS mineralogy and petrology collection record

Sample number S40221; COLLNOYB370;
Sample Donor Lawrie,T.R.M.
Rock name 'Original entry: Phyllite, Greenish, With Garnet And Large Biotite Porphyroblasts'
Stratigraphy Not entered
Comments From belt of Leven-type greenish phyllites with garnet and biotite porphyroblasts, within Ballachulish Limestone outcrop. Coarse band with large biotites; riddled with quarz veins
Locality details R Spean, 104 yds E of junction of R Cour and R Spean
50k map sheet Loch Eil (62)

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Map reference NN 2499 8120
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


S40221

Cross Polarized, S40221

Plane Polarized, S40221

Plane Polarized, S40221