BGS mineralogy and petrology collection record

Sample number S42517
Sample Donor Phemister,J.
Rock name 'Original entry: Muscovite-Biotite-Oligoclase Gneiss'
Stratigraphy Not entered
Comments Oligoclase-mica gneiss, ?K-permeated
Locality details Coast 860 yds 30 deg n of E of Holligarth
50k map sheet Yell (130)

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Map reference HU 529 825
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


S42517

Cross Polarized, S42517

Plane Polarized, S42517

Plane Polarized, S42517