BGS mineralogy and petrology collection record

Sample number S32106
Sample Donor Allan,J.K.
Rock name 'Original entry: Muscovite-Biotite-Oligoclase-Porphyroblastic Gneiss'
Stratigraphy Not entered
Comments Muscovite-biotite-oligoclase-porphyroblastic gneiss. Recrystalllised and quartz-injected; andesine porphyroblasts
Locality details Shore 290 yds SE from Virdi Taing, Hascosay
50k map sheet Yell (130)

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Map reference HU 564 930
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


S32106

Cross Polarized, S32106

Plane Polarized, S32106

Plane Polarized, S32106