BGS mineralogy and petrology collection record

Sample number S28236
Sample Donor Read, H.H.
Rock name 'Original entry: Muscovite-Biotite-Oligoclase Gneiss'
Stratigraphy Not entered
Comments Gneiss; Valla Field Gneiss Group
Locality details Hamars of Woodwick, Wood Wick
50k map sheet Unst (131)

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Map reference HP 585 115
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


S28236

Cross Polarized, S28236

Plane Polarized, S28236

Plane Polarized, S28236