BGS mineralogy and petrology collection record

Sample number S29275
Sample Donor Allan,J.K.
Rock name 'Original entry: Biotite-Oligoclase-Microcline-Quartz Granulite'
Stratigraphy Not entered
Comments Reddish fine-grained massive gneiss, banded
Locality details Gloup Voe, W shore, 590 yds S from Salt Ness
50k map sheet Unst (131)

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Map reference HP 504 036
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


S29275

Cross Polarized, S29275

Plane Polarized, S29275

Plane Polarized, S29275