BGS mineralogy and petrology collection record

Sample number S41684
Sample Donor Phemister,J.
Rock name 'Original entry: Garnetiferous Muscovite-Quartz Granulite'
Stratigraphy Not entered
Comments Flaggy siliceous granulitic gneiss; probably diaphthoretic
Locality details Foot of cliff, N corner of Muckle Brae Geo, 4900 ft 23 deg S of W of Tresta Church
50k map sheet Yell (130)

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Map reference HU 594 899
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


S41684

Cross Polarized, S41684

Plane Polarized, S41684

Plane Polarized, S41684