BGS mineralogy and petrology collection record

Sample number	E61954; COLLNOMH1555;
Sample Donor	Howells,M.F.
Rock name	Tuff, Rhyolitic .
Stratigraphy	Not entered
Comments	Mudstone intercalation in tuff, acid
Locality details	Mynydd Pencoed
50k map sheet	Barmouth (149) View images in GeoScenic related to 'Barmouth' View a geological map near 'Barmouth'
Map reference	SN 6952 1115
Year collected	Not entered
Bore name	Not applicable
Confidentiality	No restrictions

Petrological thin sections

Field of view: c. 31 mm.