BGS mineralogy and petrology collection record

Sample number S5458
Sample Donor Not entered
Rock name 'Original entry: Biotite Granite'
Stratigraphy Not entered
Comments Cairngorm Granite, coarse grained. See Memoir p.26
Locality details Glen Avon, N of the Bruaich
50k map sheet Tomintoul (75)

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Map reference NJ 147 068
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


S5458

Cross Polarized, S5458

Plane Polarized, S5458

Plane Polarized, S5458