BGS mineralogy and petrology collection record

Sample number S8520
Sample Donor Barrow, G.
Rock name 'Original entry: Micaceous Grey Gneiss'
Stratigraphy Not entered
Comments Another section shows sillimanite. Garnet and apatite in part older granite.
Locality details SSW of Loch Tilt
50k map sheet Kingussie (64)

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Map reference NN 99 82
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


S8520

Cross Polarized, S8520

Plane Polarized, S8520

Plane Polarized, S8520