BGS mineralogy and petrology collection record

Sample number S32118
Sample Donor Allan,J.K.
Rock name 'Original entry: Garnetiferous Muscovite-Biotite-Oligoclase Gneiss'
Stratigraphy Not entered
Comments Garnetiferous muscovite-biotite-oligoclase gneiss. Kaolinisaed feldspars
Locality details Shore 230 yds N from Point of Gunnald, Hascosay
50k map sheet Yell (130)

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Map reference HU 542 917
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


S32118

Cross Polarized, S32118

Plane Polarized, S32118

Plane Polarized, S32118