BGS mineralogy and petrology collection record

Sample number	MR31380; COLLNOSG61;
Sample Donor	Cope, M.J.; Strong,G.E.;
Rock name	'Original entry: Quartzite?'
Stratigraphy	Not entered
Comments	Tremadoc
Locality details	Road works along Barmouth - Dolgellauroad near Bontddu
50k map sheet	Harlech (135) View images in GeoScenic related to 'Harlech' View the geology near 'Harlech'
Map reference	SH 663 187
Year collected	Not entered
Bore name	Not applicable
Confidentiality	No restrictions