BGS mineralogy and petrology collection record

Sample number S43434
Sample Donor Phemister,J.
Rock name 'Original entry: Felsite, Xenocrystic'
Stratigraphy Not entered
Comments Felsite, xenocrystic, acid dyke in granite
Locality details Ura Firth, W side, 1470 yds 40 deg N of E of church at Hillswick
50k map sheet North Shetland ? (129)

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Map reference HU 288 777
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


S43434

Cross Polarized, S43434

Plane Polarized, S43434

Plane Polarized, S43434