BGS mineralogy and petrology collection record

Sample number	MR21678
Sample Donor	Chaperlin,K.
Rock name	'Original entry: Grit'
Stratigraphy	Not entered
Comments	Grit invaded by Granite. NGR as in register.
Locality details	Quarry name: not recorded: at Disused Qry. 175 yd WNW of Bryn Gwallen Uchaf, 1350ml E of Llanerchymedd
50k map sheet	Holyhead (93) View images in GeoScenic related to 'Holyhead' View the geology near 'Holyhead'
Map reference	SH 406 839
Year collected	1958
Bore name	Not applicable
Confidentiality	No restrictions