BGS mineralogy and petrology collection record

Sample number	E63220; COLLNOKB220;
Sample Donor	Not entered
Rock name	Rhyolite. 'Original entry: Rhyolite'
Stratigraphy	Not entered
Comments	(GROUP= Llewelyn Volcanic Group)(FORM= Conwy Rhyolite Fm.)(MEMB= No.3 unit.)(IE=E)(TEXTURE=Flow-banded
Locality details	Foel Lwyd
50k map sheet	Bangor (106) View images in GeoScenic related to 'Bangor' View the geology near 'Bangor'
Map reference	SH 7163 7259
Year collected	Not entered
Bore name	Not applicable
Confidentiality	No restrictions

Petrological thin sections

Field of view: c. 31 mm.