BGS mineralogy and petrology collection record

Sample number S30749
Sample Donor Robertson,T.
Rock name 'Original entry: Rhyolite'
Stratigraphy Not entered
Comments Acid lava; corroded and fragmental quartz and feldspar in fluidal, stony base
Locality details C10. W side of Ness of Nounsbrough
50k map sheet West Shetland ? (127)

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Map reference HU 289 567
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


S30749

Cross Polarized, S30749

Plane Polarized, S30749

Plane Polarized, S30749