BGS mineralogy and petrology collection record

Sample number	E54130; COLLNOBL888;
Sample Donor	Leveridge,B.E.
Rock name	'Original entry: Tuff'
Stratigraphy	Not entered
Comments	Cefn Gwyn Tuff. Lr. Soudleyan. At base
Locality details	485 m NNW of Tyn y Bryn Fm.
50k map sheet	Corwen (120) View images in GeoScenic related to 'Corwen' View the geology near 'Corwen'
Map reference	SH 9147 4412
Year collected	Not entered
Bore name	Not applicable
Confidentiality	No restrictions

Petrological thin sections

Field of view: c. 31 mm.