BGS mineralogy and petrology collection record

Sample number S32237
Sample Donor Allan,J.K.
Rock name 'Original entry: Garnet-Mica Schist'
Stratigraphy Not entered
Comments Garnet-mica schist, hydrothermally and ?thermally altered
Locality details N side of road, 380 yds W of gate at Helga Water
50k map sheet North Shetland ? (129)

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Map reference HU 267 782
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


S32237

Cross Polarized, S32237

Plane Polarized, S32237

Plane Polarized, S32237