BGS mineralogy and petrology collection record

Sample number	MR16277; COLLNOTN100;
Sample Donor	George,T.N.
Rock name	'Original entry: Slate'
Stratigraphy	Not entered
Comments	Ordovician-Caradoc-Glanfafou beds
Locality details	Pen-Llyn Quarry, Dolwyddelan
50k map sheet	Snowdon (119) View images in GeoScenic related to 'Snowdon' View the geology near 'Snowdon'
Map reference	SH 743 521
Year collected	Not entered
Bore name	Not applicable
Confidentiality	No restrictions