BGS mineralogy and petrology collection record

Sample number S30246
Sample Donor Phemister,J.
Rock name 'Original entry: Quartz-Diorite'
Stratigraphy Not entered
Comments Quartz-diorite. Feldspathic variety of "diorite"
Locality details 2500 ft 20 deg W of N of Northlees, Ness of Olnesfirth
50k map sheet North Shetland ? (129)

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Map reference HU 306 771
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


S30246

Cross Polarized, S30246

Plane Polarized, S30246

Plane Polarized, S30246