BGS mineralogy and petrology collection record

Sample number E63639; COLLNOKB639;
Sample Donor Not entered
Rock name Rhyolite. 'Original entry: Rhyolite'
Stratigraphy Not entered
Comments Same intrusion in LRT as KB640(GROUP= )(FORM= )(MEMB= .)(IE=I)(TEXTURE=Flow-banding
Locality details Moel Perfedd
50k map sheet Snowdon (119)

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View the geology near 'Snowdon'

Map reference SH 6550 5550
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


E63639

Cross Polarized, E63639

Plane Polarized, E63639

Plane Polarized, E63639