BGS mineralogy and petrology collection record

Sample number S33066
Sample Donor Haldane,D.
Rock name 'Original entry: Microcline-Oligoclase-Muscovite-Biotite Gneiss, K-Permeated, Also Quartz-Soaked'
Stratigraphy Not entered
Comments Microcline-oligoclase-muscovite-biotite gneiss, K-permeated, also quartz-soaked. Granulite; augen of basic oligoclase in process of granulitisation; K-feldspar present, sphene abundant
Locality details Samphrey, SW of Barbra Taing
50k map sheet Yell (130)

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Map reference HU 470 757
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


S33066

Cross Polarized, S33066

Plane Polarized, S33066

Plane Polarized, S33066