BGS mineralogy and petrology collection record

Sample number S48312; COLLNOYW227;
Sample Donor May,F.
Rock name 'Original entry: Quartzofeldspathic Gneiss'
Stratigraphy Not entered
Comments Quartzofeldspathic gneiss from thin discordant mass - Lewisian
Locality details Glen Strathfarrar hydro scheme, Deanie main low-pressure tunnel; chainage 10999
50k map sheet Lochcarron (82)

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Map reference NH 2334 3963
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


S48312

Cross Polarized, S48312

Plane Polarized, S48312

Plane Polarized, S48312