BGS mineralogy and petrology collection record

Sample number E64263; COLLNOKB1263;
Sample Donor Not entered
Rock name Rhyolite. 'Original entry: Rhyolite'
Stratigraphy Not entered
Comments Recrysallized, perlititic rhyolite(GROUP= )(FORM= Rhiw Bach)(MEMB= .)(IE=E)(TEXTURE=Flow banded
Locality details West of Cwt y Bugail quarry
50k map sheet Snowdon (119)

View images in GeoScenic related to 'Snowdon'

View a geological map near 'Snowdon'

Map reference SH 7285 4693
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


E64263

Cross Polarized, E64263

Plane Polarized, E64263

Plane Polarized, E64263