BGS mineralogy and petrology collection record

Sample number S31523
Sample Donor Eyles,V.A.
Rock name 'Original entry: Nodular Dark Grey Phyllite'
Stratigraphy Not entered
Comments Rocks occurring to the east of the outcrop of the Middle Old Red Sandstone
Locality details 700 yds upstream from mouth of second stream SW of Allt a'Choilich E of N end of loch Lochy
50k map sheet Glen Roy (63)

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Map reference NN 28552 94510
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


S31523

Cross Polarized, S31523

Plane Polarized, S31523

Plane Polarized, S31523