BGS mineralogy and petrology collection record

Sample number S12602
Sample Donor Barrow, G.
Rock name 'Original entry: Grey Moine Gneiss (Sillimanite)'
Stratigraphy Not entered
Comments Shows sillimanite and contact type of mica; see QJGS for 1904
Locality details Head of Loch Tilt
50k map sheet Kingussie (64)

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Map reference NN 994 829
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


S12602

Cross Polarized, S12602

Plane Polarized, S12602

Plane Polarized, S12602