BGS mineralogy and petrology collection record

Sample number S35087
Sample Donor Phemister,J.
Rock name 'Original entry: Porphyrite, Subacid, Granophyric'
Stratigraphy Not entered
Comments Porphyrite, subacid, granophyric. Narrow dyke associated with S. 35086
Locality details 2500 ft NNE of Spring Wells
50k map sheet Yell (130)

View images in GeoScenic related to 'Yell'

View the geology near 'Yell'

Map reference HU 333 849
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


S35087

Cross Polarized, S35087

Plane Polarized, S35087

Plane Polarized, S35087