BGS mineralogy and petrology collection record

Sample number S42501
Sample Donor Phemister,J.
Rock name 'Original entry: Chlorite-Microcline-Oligoclase-Quartz Granulite'
Stratigraphy Not entered
Comments ?K-permeated oligoclase-blebbed semipelitic gneiss
Locality details Heoga Ness, cliff NW of The Rett
50k map sheet Yell (130)

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Map reference HU 528 788
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


S42501

Cross Polarized, S42501

Plane Polarized, S42501

Plane Polarized, S42501