BGS mineralogy and petrology collection record

Sample number E63218; COLLNOKB218;
Sample Donor Not entered
Rock name Rhyolite. 'Original entry: Rhyolite'
Stratigraphy Not entered
Comments 5m below qtz. -latite tuff (KB217)(GROUP= Llewelyn Volcanic Group)(FORM= Conwy Rhyolite Fm.)(MEMB= No.4 unit.)(IE=E)(TEXTURE=
Locality details Foel Lwyd
50k map sheet Bangor (106)

View images in GeoScenic related to 'Bangor'

View a geological map near 'Bangor'

Map reference SH 7129 7251
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, E63218

Plane Polarized, E63218

Plane Polarized, E63218