BGS mineralogy and petrology collection record

Sample number S59554
Sample Donor Phemister,J.
Rock name 'Original entry: Granulitic Gneiss'
Stratigraphy Not entered
Comments Typical grey granulitic gneiss
Locality details Grud Burn, 850 ft upstream from junction with burn from Little Ballia Clett
50k map sheet Yell (130)

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Map reference HU 319 825
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


S59554

Cross Polarized, S59554

Plane Polarized, S59554

Plane Polarized, S59554