BGS mineralogy and petrology collection record

Sample number S42697
Sample Donor Phemister,J.
Rock name 'Original entry: Granite (Chloritised Biotite-)'
Stratigraphy Not entered
Comments Coarse quartz-feldspar intergrowth
Locality details Vamnafield, 2300 ft W 7 deg N of Gluss Brough
50k map sheet Yell (130)

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Map reference HU 336 776
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


S42697

Cross Polarized, S42697

Plane Polarized, S42697

Plane Polarized, S42697