BGS mineralogy and petrology collection record

Sample number S41710; S41710/A;
Sample Donor Phemister,J.
Rock name 'Original entry: Garnetiferous Muscovite-Biotite-Oligoclase Gneiss'
Stratigraphy Not entered
Comments ?Sillimanite-bearing band in massive pelitic gneiss
Locality details Coast, 350 ft SW of Helliersness Croft
50k map sheet Yell (130)

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Map reference HU 601 880
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


S41710

Cross Polarized, S41710

Plane Polarized, S41710

Plane Polarized, S41710


S41710/A

Cross Polarized, S41710/A

Plane Polarized, S41710/A

Plane Polarized, S41710/A