BGS mineralogy and petrology collection record

Sample number S32168; MR15640;
Sample Donor Eckford,R.
Rock name 'Original entry: Quartz-Orthoclase-Biotite-Pinite'
Stratigraphy Not entered
Comments Not entered
Locality details Base of crag E face just below trig point of Tom a'Mhinn
50k map sheet Crieff (47)

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Map reference NN 750 253
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


S32168

Cross Polarized, S32168

Plane Polarized, S32168

Plane Polarized, S32168