BGS mineralogy and petrology collection record

Sample number	MR21618
Sample Donor	Chaperlin,K.
Rock name	'Original entry: Not Recorded'
Stratigraphy	Proterozoic. Pre Cambrian. Gwna Group
Comments	Gwna Group. NGR as in register.
Locality details	Quarry name: not recorded: at Disused Qry. 450 yd ENE of Rhydwyn Post Office
50k map sheet	Holyhead (93) View images in GeoScenic related to 'Holyhead' View the geology near 'Holyhead'
Map reference	SH 318 893
Year collected	1958
Bore name	Not applicable
Confidentiality	No restrictions