BGS mineralogy and petrology collection record

Sample number S28542
Sample Donor Phemister,J.
Rock name 'Original entry: Gabbro Porphyrite'
Stratigraphy Not entered
Comments Gabbro porphyrite, porphyritic type of diorite
Locality details 1100 ft 35 deg S of E of outflow from Sandy Water
50k map sheet North Shetland ? (129)

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Map reference HU 311 863
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


S28542

Cross Polarized, S28542

Plane Polarized, S28542

Plane Polarized, S28542