BGS mineralogy and petrology collection record

Sample number S35137
Sample Donor Phemister,J.
Rock name 'Original entry: Quartz-Feldspar-Phyric Felsite, Spherulitic'
Stratigraphy Not entered
Comments Quartz-feldspar-phyric felsite, spherulitic, pink feldspar porphyry, with xenoliths of quartz microdiorite
Locality details 3200 ft 30 deg N of W of cairn on Ronas Hill
50k map sheet North Shetland ? (129)

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Map reference HU 297 839
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


S35137

Cross Polarized, S35137

Plane Polarized, S35137

Plane Polarized, S35137