BGS mineralogy and petrology collection record

Sample number	MR24508; COLLNOKC821;
Sample Donor	Chaperlin,K.
Rock name	Not entered
Stratigraphy	Not entered
Comments	. NGR as in register.
Locality details	Quarry name: not recorded: at Ty'n Twll Disused Qry. 300 yd N of St. Cwyfan's Church, Porth Cwyfan
50k map sheet	Caernarfon (105) View images in GeoScenic related to 'Caernarfon' View the geology near 'Caernarfon'
Map reference	SH 336 685
Year collected	1961
Bore name	Not applicable
Confidentiality	No restrictions