BGS mineralogy and petrology collection record

Sample number E64266; COLLNOKB1266;
Sample Donor Not entered
Rock name Rhyolite. 'Original entry: Rhyolite'
Stratigraphy Not entered
Comments (GROUP= )(FORM= Rhiw Bach)(MEMB= .)(IE=E)(TEXTURE=
Locality details South South-West of Cwt y Bugail quarry
50k map sheet Snowdon (119)

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Map reference SH 7320 4665
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, E64266

Plane Polarized, E64266

Plane Polarized, E64266