BGS mineralogy and petrology collection record

Sample number	E62058; COLLNOGW96;
Sample Donor	Woodhall, D.G.
Rock name	Tuff, Metamorphosed.
Stratigraphy	Not entered
Comments	Field name: Cong. Sst. Thin section: fine-grained quartzo-feldspathic rock with localised patches of recrystallised alkali- & plagioclase feldspar, probable igneous protolith
Locality details	525 m 027 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 6668 1583
Year collected	Not entered
Bore name	Not applicable
Confidentiality	No restrictions

Petrological thin sections

Field of view: c. 31 mm.