BGS mineralogy and petrology collection record

Sample number S4950
Sample Donor Barrow, G.
Rock name 'Original entry: Biotite Gneiss'
Stratigraphy Not entered
Comments Granitic
Locality details Craig Maud, Glen Doll
50k map sheet Balmoral (65)

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Map reference NO 236 775
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


S4950

Cross Polarized, S4950

Plane Polarized, S4950

Plane Polarized, S4950