BGS mineralogy and petrology collection record

Sample number S29263
Sample Donor Allan,J.K.
Rock name 'Original entry: Muscovite-Biotite-Quartz-Feldspar Granulite, Garnetiferous'
Stratigraphy Not entered
Comments Muscovite-biotite-quartz-feldspar granulite, garnetiferous. Phacoidally-jointed muscovite-biotite gneiss, few garnets
Locality details W side of Geo 600 yds NE from Gerherda
50k map sheet Yell (130)

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Map reference HP 477 012
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


S29263

Cross Polarized, S29263

Plane Polarized, S29263

Plane Polarized, S29263