BGS mineralogy and petrology collection record

Sample number	E52483; COLLNOMH911;
Sample Donor	Howells,M.F.
Rock name	Not entered
Stratigraphy	Not entered
Comments	Carbonate tuff/sediment, Caradoc. Ordovician.
Locality details	Clogwyn Coch. c. 0.5 km E of Llyn Du'r Arddu
50k map sheet	Bangor (106) View images in GeoScenic related to 'Bangor' View a geological map near 'Bangor'
Map reference	SH 6073 5573
Year collected	Not entered
Bore name	Not applicable
Confidentiality	No restrictions

Petrological thin sections

Field of view: c. 31 mm.