BGS mineralogy and petrology collection record

Sample number S5221
Sample Donor Greenly,E.
Rock name 'Original entry: Biotite Gneiss'
Stratigraphy Not entered
Comments With coarse-grained quartzose feldspathic folia; See Mem. Cent. Suth., pp. 118-119
Locality details Auchnamoine, Kinbrace
50k map sheet Achentoul (109)

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Map reference NC 806 307
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


S5221

Cross Polarized, S5221

Plane Polarized, S5221

Plane Polarized, S5221