BGS mineralogy and petrology collection record

Sample number	E64437; COLLNOTL68;
Sample Donor	Not entered
Rock name	Tuff. 'Original entry: Acid Ash Flow Tuff'
Stratigraphy	Not entered
Comments	About 10m from base of tuff unit(GROUP= Llewelyn Volcanic Group)(FORM= )(MEMB= Gwern Gof Tuff.)(IE=E)(TEXTURE=
Locality details	Gwern Gof Uchaf
50k map sheet	Bangor (106) View images in GeoScenic related to 'Bangor' View the geology near 'Bangor'
Map reference	SH 6731 6018
Year collected	Not entered
Bore name	Not applicable
Confidentiality	No restrictions

Petrological thin sections

Field of view: c. 31 mm.