BGS mineralogy and petrology collection record

Sample number	E63153; COLLNOKB153;
Sample Donor	Not entered
Rock name	Tuff. 'Original entry: Quartz Latite Ash Flow Tuff'
Stratigraphy	Not entered
Comments	With occassional clasts. 8m above KB152(GROUP= Llewelyn Volcanic Group)(FORM= Foel Fras Volcanic Complex)(MEMB= .)(IE=E)(TEXTURE=Fine-grained, massive
Locality details	Isgolion Duon-Nant Fach
50k map sheet	Bangor (106) View images in GeoScenic related to 'Bangor' View the geology near 'Bangor'
Map reference	SH 6770 6360
Year collected	Not entered
Bore name	Not applicable
Confidentiality	No restrictions

Petrological thin sections

Field of view: c. 31 mm.