BGS mineralogy and petrology collection record

Sample number	E63217; COLLNOKB217;
Sample Donor	Not entered
Rock name	Tuff. 'Original entry: Quartz Latite Ash Flow Tuff'
Stratigraphy	Not entered
Comments	Overlies thin mudstone of Conwy Rhyolite Fm.(GROUP= Llewelyn Volcanic Group)(FORM= Foel Fras Volcanic Complex)(MEMB= .)(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 7181 7248
Year collected	Not entered
Bore name	Not applicable
Confidentiality	No restrictions

Petrological thin sections

Field of view: c. 31 mm.