BGS mineralogy and petrology collection record

Sample number	E67085; COLLNOWPR217/1;
Sample Donor	Pratt, W.
Rock name	'Original entry: Tuff'
Stratigraphy	Not entered
Comments	Craig Cau Formation. Tuff, massive
Locality details	600 m at 099 deg from Cil Cemmaes
50k map sheet	Barmouth (149) View images in GeoScenic related to 'Barmouth' View the geology near 'Barmouth'
Map reference	SH 6272 3486
Year collected	Not entered
Bore name	Not applicable
Confidentiality	No restrictions

Petrological thin sections

Field of view: c. 31 mm.