BGS mineralogy and petrology collection record

Sample number S27312
Sample Donor Allan,J.K.
Rock name 'Original entry: Microcline-Oligoclase-Muscovite-Biotite Gneiss'
Stratigraphy Not entered
Comments Microcline-oligoclase-muscovite-biotite gneiss. Mid Yell: K-permeation
Locality details East coast, N end of Chuther Ayre
50k map sheet Yell (130)

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Map reference HU 537 938
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


S27312

Cross Polarized, S27312

Plane Polarized, S27312

Plane Polarized, S27312