BGS mineralogy and petrology collection record

Sample number S23146
Sample Donor Phemister,J.
Rock name 'Original entry: Porphyritic Pulaskite'
Stratigraphy Not entered
Comments Type long porphyritic feldspars
Locality details Allt Sail an Ruathair, 1450 yds from junction with R Oykell
50k map sheet Lairg (102)

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Map reference NC 33569 14017
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


S23146

Cross Polarized, S23146

Plane Polarized, S23146

Plane Polarized, S23146