BGS mineralogy and petrology collection record

Sample number S75038; COLLNOYR2621;
Sample Donor Smith,D.I.
Rock name 'Original entry: Biotite Psammite, Fine-Grained'
Stratigraphy Not entered
Comments Freshest brown 'sandy' specimen
Locality details Stream 1050 m NNW of 597 m spot height on bealach on Hills of Cromdale ridge
50k map sheet Tomintoul (75)

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Map reference NJ 1058 2727
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


S75038

Cross Polarized, S75038

Plane Polarized, S75038

Plane Polarized, S75038