BGS mineralogy and petrology collection record

Sample number S32103
Sample Donor Allan,J.K.
Rock name 'Original entry: Muscovite-Biotite-Microcline-Oligoclase Gneiss'
Stratigraphy Not entered
Comments Muscovite-biotite-microcline-oligoclase gneiss. Permeation gneiss
Locality details Bow of Hascosay, 730 yds NE from Bakka Skeo
50k map sheet Yell (130)

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Map reference HU 547 923
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


S32103

Cross Polarized, S32103

Plane Polarized, S32103

Plane Polarized, S32103