BGS mineralogy and petrology collection record

Sample number S6988
Sample Donor Barrow, G.
Rock name 'Original entry: Sillimanite-Garnet-Biotite Gneiss'
Stratigraphy Not entered
Comments Garnet, biotite, plagioclase (oligo-andesine), quartz
Locality details Dinnet Lodge
50k map sheet Banchory (66)

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Map reference NO 447 978
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


S6988

Cross Polarized, S6988

Plane Polarized, S6988

Plane Polarized, S6988