BGS mineralogy and petrology collection record

Sample number	MR21674
Sample Donor	Chaperlin,K.
Rock name	'Original entry: Schist'
Stratigraphy	Proterozoic. Pre Cambrian. Gwna Group
Comments	Green Schist. NGR as in register.
Locality details	Quarry name: not recorded: at Disused Qry. 900 yd NNE of Maen Addwyn, 2.5 ml E of Llanerchymedd
50k map sheet	Holyhead (93) View images in GeoScenic related to 'Holyhead' View the geology near 'Holyhead'
Map reference	SH 464 847
Year collected	1958
Bore name	Not applicable
Confidentiality	No restrictions