BGS mineralogy and petrology collection record

Sample number S28270
Sample Donor Read, H.H.
Rock name 'Original entry: Hornblende-Oligoclase Gneiss'
Stratigraphy Not entered
Comments Siliceous granulite; banded granular, epidotic
Locality details Ness of Collaster (Longa Taing), Collaster
50k map sheet Unst (131)

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Map reference HP 575 065
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


S28270

Cross Polarized, S28270

Plane Polarized, S28270

Plane Polarized, S28270