BGS mineralogy and petrology collection record

Sample number S28285
Sample Donor Read, H.H.
Rock name 'Original entry: Diaphthoretic Biotite-Muscovite Gneiss'
Stratigraphy Not entered
Comments Diaphthoretic garnet gneiss, pelitic
Locality details Lunda Wick, Croos Point
50k map sheet Unst (131)

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Map reference HP 571 044
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


S28285

Cross Polarized, S28285

Plane Polarized, S28285

Plane Polarized, S28285