BGS mineralogy and petrology collection record

Sample number S99720; S99720/A; S99720/B; COLLNOLY1078;
Sample Donor Robertson,S.
Rock name Semipelite.
Stratigraphy Not entered
Comments Schistose semi pelite with quartz vein ?phyllonite in slide zone
Locality details S side Loch a' Bhealaich Leamhain
50k map sheet Dalwhinnie (63E)

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Map reference NN 4938 7933
Year collected 1997 
Bore name Not applicable
Confidentiality No restrictions

Petrological thin sections

Links to high resolution images

Transition from XPL to PPL light


S99720/A

Cross Polarized, S99720/A

Plane Polarized, S99720/A

Plane Polarized, S99720/A


S99720/B

Cross Polarized, S99720/B

Plane Polarized, S99720/B

Plane Polarized, S99720/B