BGS mineralogy and petrology collection record

Sample number S28273
Sample Donor Read, H.H.
Rock name 'Original entry: Muscovite-Biotite-Oligoclase Gneiss'
Stratigraphy Not entered
Comments Gneiss; sheared, epidotic, with myrmekite
Locality details The Nev, Blue Mull
50k map sheet Unst (131)

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Map reference HP 558 031
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


S28273

Cross Polarized, S28273

Plane Polarized, S28273

Plane Polarized, S28273