BGS mineralogy and petrology collection record

Sample number S76191; COLLNOYR2650;
Sample Donor Smith,D.I.
Rock name Psammite.
Stratigraphy Not entered
Comments Fine grained siliceous psammite with ?porphyroblasts on mica partings
Locality details Allt Balnabienne
50k map sheet Tomintoul (75)

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Map reference NJ 1389 2728
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


S76191

Cross Polarized, S76191

Plane Polarized, S76191

Plane Polarized, S76191