BGS mineralogy and petrology collection record

Sample number S23159
Sample Donor Phemister,J.
Rock name 'Original entry: Mixture Of Grorudite And Nordmarkite-Aplite'
Stratigraphy Not entered
Comments Dyke 5 ft
Locality details R Oykell, 480 yds upstream from junction with Allt Sail an Ruathair
50k map sheet Lairg (102)

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Map reference NC 32590 13377
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


S23159

Cross Polarized, S23159

Plane Polarized, S23159

Plane Polarized, S23159