BGS mineralogy and petrology collection record

Sample number	E63222; COLLNOKB222;
Sample Donor	Not entered
Rock name	Rhyolite. 'Original entry: Rhyolite'
Stratigraphy	Not entered
Comments	Slightly lower than KB221(GROUP= Llewelyn Volcanic Group)(FORM= Conwy Rhyolite Fm.)(MEMB= No.2 unit.)(IE=E)(TEXTURE=Chlorit., 2nd recryst
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 7168 7274
Year collected	Not entered
Bore name	Not applicable
Confidentiality	No restrictions

Petrological thin sections

Field of view: c. 31 mm.