BGS mineralogy and petrology collection record

Sample number	E64399; COLLNOTL30;
Sample Donor	Not entered
Rock name	Tuff. 'Original entry: Acid Ash Flow Tuff'
Stratigraphy	Not entered
Comments	20m above base of ash-flow unit(GROUP= Snowdon Volcanic Group)(FORM= Lower Crafnant Volc. Fm.)(MEMB= No.3 Tuff.)(IE=E)(TEXTURE=
Locality details	Creigiau Gleision, Cowlyd
50k map sheet	Bangor (106) View images in GeoScenic related to 'Bangor' View the geology near 'Bangor'
Map reference	SH 7322 6201
Year collected	Not entered
Bore name	Not applicable
Confidentiality	No restrictions

Petrological thin sections

Field of view: c. 31 mm.