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 the geology 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.