BGS mineralogy and petrology collection record

Sample number S32112
Sample Donor Allan,J.K.
Rock name 'Original entry: Garnetiferous Biotite-Oligoclase-Quartz Schist'
Stratigraphy Not entered
Comments Garnetiferous biotite-oligoclase-quartz schist. Recrystallised; porphyroblasts of garnet or oligoclase; bright red biotite
Locality details 310 yds W from Greybearded Man, Hascosay
50k map sheet Yell (130)

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Map reference HU 555 915
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


S32112

Cross Polarized, S32112

Plane Polarized, S32112

Plane Polarized, S32112