BGS mineralogy and petrology collection record

Sample number	E67067; COLLNOWPR103;
Sample Donor	Pratt, W.
Rock name	'Original entry: Tuff'
Stratigraphy	Not entered
Comments	Arthog Formation. Tuff
Locality details	630 m at 017 deg from Castell
50k map sheet	Barmouth (149) View images in GeoScenic related to 'Barmouth' View the geology near 'Barmouth'
Map reference	SH 5797 0428
Year collected	Not entered
Bore name	Not applicable
Confidentiality	No restrictions

Petrological thin sections

Field of view: c. 31 mm.