BGS mineralogy and petrology collection record

Sample number E63451; COLLNOKB451;
Sample Donor Not entered
Rock name Rhyolite. 'Original entry: Rhyolite'
Stratigraphy Not entered
Comments In contact with Llyn Dinas Br. and Nant Ffranc. Fm(GROUP= )(FORM= )(MEMB= .)(IE=I)(TEXTURE=Massive, f-b
Locality details Bwlch Ehediad
50k map sheet Snowdon (119)

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Map reference SH 6683 5242
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


E63451

Cross Polarized, E63451

Plane Polarized, E63451

Plane Polarized, E63451