BGS mineralogy and petrology collection record

Sample number S28286
Sample Donor Read, H.H.
Rock name 'Original entry: Garnetiferous Chlorite-Biotite-Muscovite Gneiss'
Stratigraphy Not entered
Comments Diaphthoretic garnet gneiss, granulitic
Locality details Murrasks, Westing School
50k map sheet Unst (131)

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Map reference HP 578 046
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


S28286

Cross Polarized, S28286

Plane Polarized, S28286

Plane Polarized, S28286