BGS mineralogy and petrology collection record

Sample number	MR25316; COLLNO1a;
Sample Donor	White,D.E.
Rock name	'Original entry: Coarse Tuff'
Stratigraphy	Not entered
Comments	Upper Ashes of Arenig, Ordovician
Locality details	Near S mouth of Diverion Tunnel (Tryweryn Reservoir) 200yds at 7deg from Ty'n-y-cerrig Farm near Bala
50k map sheet	Corwen (120) View images in GeoScenic related to 'Corwen' View the geology near 'Corwen'
Map reference	SH 8787 3996
Year collected	Not entered
Bore name	Not applicable
Confidentiality	No restrictions