BGS mineralogy and petrology collection record

Sample number	MR26414
Sample Donor	Dangerfield,J.
Rock name	'Original entry: Tuff'
Stratigraphy	Not entered
Comments	Grey fine grained tuff.. NGR as in register.
Locality details	Quarry name: Rhiwen quarry: at 2 miles N of Llanberis Caernarvonshire
50k map sheet	Bangor (106) View images in GeoScenic related to 'Bangor' View the geology near 'Bangor'
Map reference	SH 574 637
Year collected	1963
Bore name	Not applicable
Confidentiality	No restrictions