BGS mineralogy and petrology collection record

Sample number S27855
Sample Donor Phemister,J.
Rock name 'Original entry: Porphyrite, Granulitised'
Stratigraphy Not entered
Comments Porphyrite, granulitised. ?Epidotic band in siliceous and feldspathic gneiss
Locality details At NW end of beach called Sand of Sand
50k map sheet Yell (130)

View images in GeoScenic related to 'Yell'

View the geology near 'Yell'

Map reference HU 579 923
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


S27855

Cross Polarized, S27855

Plane Polarized, S27855

Plane Polarized, S27855