BGS mineralogy and petrology collection record

Sample number S28771
Sample Donor Allan,J.K.
Rock name 'Original entry: Garnetiferous Muscovite-Biotite- Chlorite-Oligoclase Gneiss'
Stratigraphy Not entered
Comments Garnetiferous muscovite-biotite- chlorite-oligoclase gneiss. Grey biotite gneiss with small garnets and feldspar knots
Locality details Linga, S shore at E end of boulder beach
50k map sheet Yell (130)

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Map reference HU 564 978
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


S28771

Cross Polarized, S28771

Plane Polarized, S28771

Plane Polarized, S28771