BGS mineralogy and petrology collection record

Sample number	E52511; COLLNOMH939;
Sample Donor	Howells,M.F.
Rock name	Not entered
Stratigraphy	Not entered
Comments	Clast rich tuff. Caradoc, Ordovician
Locality details	Top of crags. Clogwyn Du'r Arddu
50k map sheet	Bangor (106) View images in GeoScenic related to 'Bangor' View a geological map near 'Bangor'
Map reference	SH 6029 5539
Year collected	Not entered
Bore name	Not applicable
Confidentiality	No restrictions

Petrological thin sections

Field of view: c. 31 mm.