BGS mineralogy and petrology collection record

Sample number	E63223; COLLNOKB223;
Sample Donor	Not entered
Rock name	Rhyolite. 'Original entry: Rhyolite'
Stratigraphy	Not entered
Comments	Top of flow unit?(GROUP= Llewelyn Volcanic Group)(FORM= Conwy Rhyolite Fm.)(MEMB= No.1 unit.)(IE=E)(TEXTURE=Slightly flow-banded
Locality details	Foel Lwyd, nr sheepfold
50k map sheet	Bangor (106) View images in GeoScenic related to 'Bangor' View the geology near 'Bangor'
Map reference	SH 7171 7279
Year collected	Not entered
Bore name	Not applicable
Confidentiality	No restrictions

Petrological thin sections

Field of view: c. 31 mm.