BGS mineralogy and petrology collection record

Sample number	MR21861
Sample Donor	Collins,G.H.
Rock name	'Original entry: Dolerite'
Stratigraphy	Not entered
Comments	? Tuff. NGR as in register.
Locality details	Quarry name: not recorded: at Craig y Llam Quarry, 200 ft NE of Minffordd Merioneth
50k map sheet	Barmouth (149) View images in GeoScenic related to 'Barmouth' View a geological map near 'Barmouth'
Map reference	SH 746 127
Year collected	1958
Bore name	Not applicable
Confidentiality	No restrictions