BGS mineralogy and petrology collection record

Sample number	MR21615
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. 100 yd E of St. Mwrdg's Church, Llanfwrog
50k map sheet	Holyhead (93) View images in GeoScenic related to 'Holyhead' View the geology near 'Holyhead'
Map reference	SH 303 839
Year collected	1958
Bore name	Not applicable
Confidentiality	No restrictions