BGS mineralogy and petrology collection record

Sample number	E62974; COLLNOMH1609;
Sample Donor	Howells,M.F.
Rock name	'Original entry: Acid Tuff'
Stratigraphy	Not entered
Comments	Clast rich acid tuff, 2 m. from top.
Locality details	NNW. of Llyn Cafr.
50k map sheet	Barmouth (149) View images in GeoScenic related to 'Barmouth' View the geology near 'Barmouth'
Map reference	SH 7074 1498
Year collected	Not entered
Bore name	Not applicable
Confidentiality	No restrictions

Petrological thin sections

Field of view: c. 31 mm.