BGS mineralogy and petrology collection record

Sample number S28192
Sample Donor Read, H.H.
Rock name 'Original entry: Quartzite, Micaceous And Feldspathic'
Stratigraphy Not entered
Comments Siliceous gneiss, Burra Firth Group
Locality details Burra Firth, 510 yds S of The Ness
50k map sheet Unst (131)

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Map reference HP 611 143
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


S28192

Cross Polarized, S28192

Plane Polarized, S28192

Plane Polarized, S28192