BGS mineralogy and petrology collection record

Sample number	E67106; COLLNOWPREE17B;
Sample Donor	Pratt, W.
Rock name	'Original entry: Tuff'
Stratigraphy	Not entered
Comments	Craig Caw Formation. Crystal tuff
Locality details	850 m at 358 deg from MP at Cefn y Clawdd
50k map sheet	Barmouth (149) View images in GeoScenic related to 'Barmouth' View the geology near 'Barmouth'
Map reference	SH 7560 1475
Year collected	Not entered
Bore name	Not applicable
Confidentiality	No restrictions

Petrological thin sections

Field of view: c. 31 mm.