BGS mineralogy and petrology collection record

Sample number	E62045; COLLNOGW83;
Sample Donor	Woodhall, D.G.
Rock name	Psammite.
Stratigraphy	Not entered
Comments	Field name: Contact rock adj. dolerite sill (tuff ?). Thin section: fine-grained quartzo-feldspathic metamorphic rock, no obvious igneous textures, growth of sericite along foliation planes
Locality details	820 m 248 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 6569 1505
Year collected	Not entered
Bore name	Not applicable
Confidentiality	No restrictions

Petrological thin sections

Field of view: c. 31 mm.