BGS mineralogy and petrology collection record

Sample number S27326
Sample Donor Allan,J.K.
Rock name 'Original entry: Muscovite-Biotite-Andesine Gneiss'
Stratigraphy Not entered
Comments Muscovite-biotite-andesine gneiss. Mid Yell: garnetiferous
Locality details Whale Firth, E shore, E side of Ramna Geo
50k map sheet Yell (130)

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Map reference HU 469 966
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


S27326

Cross Polarized, S27326

Plane Polarized, S27326

Plane Polarized, S27326