BGS mineralogy and petrology collection record

Sample number S32110
Sample Donor Allan,J.K.
Rock name 'Original entry: Muscovite-Biotite-Oligoclase Gneiss'
Stratigraphy Not entered
Comments Muscovite-biotite-oligoclase gneiss. Porphyroblasts of oligoclase-andesine
Locality details Shore 450 yds SW from N point of Skulia Geo, Hascosay
50k map sheet Yell (130)

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Map reference HU 561 919
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


S32110

Cross Polarized, S32110

Plane Polarized, S32110

Plane Polarized, S32110