BGS mineralogy and petrology collection record

Sample number S41693
Sample Donor Phemister,J.
Rock name 'Original entry: Garnetiferous Muscovite-Biotite-Oligoclase Gneiss'
Stratigraphy Not entered
Comments "Pinitic pelite": much shimmer; probably migmatite
Locality details N side of Hesti Geo, 300 yds W of Foreland (ruin)
50k map sheet Yell (130)

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Map reference HU 582 916
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


S41693

Cross Polarized, S41693

Plane Polarized, S41693

Plane Polarized, S41693