BGS mineralogy and petrology collection record

Sample number	E62036; COLLNOGW74;
Sample Donor	Woodhall, D.G.
Rock name	Rhyolite.
Stratigraphy	Not entered
Comments	Tuff
Locality details	900 m 253 deg from Bryn Brith; 5.4 Km NE of Fairbourne Stn.
50k map sheet	Barmouth (149) View images in GeoScenic related to 'Barmouth' View a geological map near 'Barmouth'
Map reference	SH 6559 1509
Year collected	Not entered
Bore name	Not applicable
Confidentiality	No restrictions

Petrological thin sections

Field of view: c. 31 mm.