BGS mineralogy and petrology collection record

Sample number	MR17210
Sample Donor	Not entered
Rock name	'Original entry: ?Keratophyre'
Stratigraphy	Not entered
Comments	Not entered
Locality details	Pengwern and Gwydyr quarries, Gwydyr, Trefriw
50k map sheet	Bangor (106) View images in GeoScenic related to 'Bangor' View the geology near 'Bangor'
Map reference	SH 783 619
Year collected	Not entered
Bore name	Not applicable
Confidentiality	No restrictions