BGS mineralogy and petrology collection record

Sample number	E64404; COLLNOTL35;
Sample Donor	Not entered
Rock name	Tuff. 'Original entry: Acid Ash Flow Tuff'
Stratigraphy	Not entered
Comments	30m above base, just below nodular horizon(GROUP= Nantmor Group)(FORM= Pitts Head Tuff Fm.)(MEMB= Lower Flow Unit.)(IE=E)(TEXTURE=Welded
Locality details	Pont y Gromlech
50k map sheet	Bangor (106) View images in GeoScenic related to 'Bangor' View the geology near 'Bangor'
Map reference	SH 6293 5647
Year collected	Not entered
Bore name	Not applicable
Confidentiality	No restrictions

Petrological thin sections

Field of view: c. 31 mm.