BGS mineralogy and petrology collection record

Sample number S958
Sample Donor Geikie,A.
Rock name 'Original entry: Biotite Gneiss'
Stratigraphy Not entered
Comments Junction of granite and quartzite
Locality details Between two bridges, Lairg
50k map sheet Lairg (102)

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Map reference NC 586 044
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


S958

Cross Polarized, S958

Plane Polarized, S958

Plane Polarized, S958