BGS mineralogy and petrology collection record

Sample number	E45902; COLLNOLA288;
Sample Donor	Allen,P.M.
Rock name	'Original entry: Tuff'
Stratigraphy	Not entered
Comments	? Tuff
Locality details	Quarry, main Rd Dolgellan
50k map sheet	Harlech (135) View images in GeoScenic related to 'Harlech' View the geology near 'Harlech'
Map reference	SH 7397 1788
Year collected	Not entered
Bore name	Not applicable
Confidentiality	No restrictions

Petrological thin sections

Field of view: c. 31 mm.