BGS mineralogy and petrology collection record

Sample number	E63176; COLLNOKB176;
Sample Donor	Not entered
Rock name	Rhyolite. 'Original entry: Rhyolite'
Stratigraphy	Not entered
Comments	Top of 1st flow(GROUP= Llewelyn Volcanic Group)(FORM= Braich tu du Volc. Fm.)(MEMB= No.1 unit.)(IE=E)(TEXTURE=
Locality details	Braich tu du type section
50k map sheet	Bangor (106) View images in GeoScenic related to 'Bangor' View the geology near 'Bangor'
Map reference	SH 6490 6220
Year collected	Not entered
Bore name	Not applicable
Confidentiality	No restrictions

Petrological thin sections

Field of view: c. 31 mm.