BGS mineralogy and petrology collection record

Sample number E63944; COLLNOKB944;
Sample Donor Not entered
Rock name Rhyolite. 'Original entry: Rhyolite'
Stratigraphy Not entered
Comments 15m above contact, I/E(GROUP= )(FORM= )(MEMB= .)(IE=I)(TEXTURE=Spherulitic +py
Locality details Crib Goch
50k map sheet Snowdon (119)

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Map reference SH 6223 5514
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


Cross Polarized, E63944

Plane Polarized, E63944

Plane Polarized, E63944