BGS mineralogy and petrology collection record

Sample number S61891
Sample Donor Phemister,J.
Rock name 'Original entry: Quartz-Keratophyre?'
Stratigraphy Not entered
Comments Quartz-keratophyre? dyke, composite with S. 30217
Locality details 2800 ft N 31 deg E of cairn on Ronas Hill
50k map sheet North Shetland ? (129)

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View the geology near 'North Shetland ?'

Map reference HU 311 841
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


S61891

Cross Polarized, S61891

Plane Polarized, S61891

Plane Polarized, S61891