BGS mineralogy and petrology collection record

Sample number	E61118; COLLNOMH1469;
Sample Donor	Howells,M.F.
Rock name	Tuff. 'Original entry: Tuff'
Stratigraphy	Not entered
Comments	Acid tuff/tuffite
Locality details	SW of Clynnau Cregennen
50k map sheet	Barmouth (149) View images in GeoScenic related to 'Barmouth' View a geological map near 'Barmouth'
Map reference	SH 6535 1392
Year collected	Not entered
Bore name	Not applicable
Confidentiality	No restrictions

Petrological thin sections

Field of view: c. 31 mm.