BGS mineralogy and petrology collection record

Sample number S28232
Sample Donor Read, H.H.
Rock name 'Original entry: Garnetiferous Staurolite Schist'
Stratigraphy Not entered
Comments Gneiss; ?from injected area; Valla Field Gneiss Group
Locality details Mid Raga Geo, 0.5 mile E of Grunka Hellier
50k map sheet Unst (131)

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Map reference HP 592 150
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


S28232

Cross Polarized, S28232

Plane Polarized, S28232

Plane Polarized, S28232