BGS mineralogy and petrology collection record

Sample number S11217
Sample Donor Anderson,J.G.C.
Rock name 'Original entry: Biotite-Hornblende Granite'
Stratigraphy Not entered
Comments See Mem. Sh. 93, p. 114
Locality details 3400 ft SW from OS cairn on Cnoc Thorcaill
50k map sheet Alness (93)

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Map reference NH 591 839
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


S11217

Cross Polarized, S11217

Plane Polarized, S11217

Plane Polarized, S11217