BGS mineralogy and petrology collection record

Sample number S59927
Sample Donor Phemister,J.
Rock name 'Original entry: Feldspathic Diorite'
Stratigraphy Not entered
Comments Feldspathic diorite in granite
Locality details Near top of cliffs, 850 ft SW of Tonga Swarta, N Roe
50k map sheet North Shetland ? (129)

View images in GeoScenic related to 'North Shetland ?'

View the geology near 'North Shetland ?'

Map reference HU 309 903
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


S59927

Cross Polarized, S59927

Plane Polarized, S59927

Plane Polarized, S59927