BGS mineralogy and petrology collection record

Sample number S10923
Sample Donor Clough, C.T.
Rock name 'Original entry: Biotite-Hornblene Gneiss; Quartz-Diorirte Porphyrite?'
Stratigraphy Not entered
Comments Not entered
Locality details 783 yds slightly E of N of Carn Dubh
50k map sheet Alness (93)

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Map reference NH 488 867
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


S10923

Cross Polarized, S10923

Plane Polarized, S10923

Plane Polarized, S10923