BGS mineralogy and petrology collection record

Sample number S23152
Sample Donor Phemister,J.
Rock name 'Original entry: Nordmarkite Porphyry'
Stratigraphy Not entered
Comments Vein
Locality details 350 yds SW by W of fork of Allt Sail an Ruathair
50k map sheet Lairg (102)

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Map reference NC 33405 14024
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


S23152

Cross Polarized, S23152

Plane Polarized, S23152

Plane Polarized, S23152