BGS mineralogy and petrology collection record

Sample number	E62046; COLLNOGW84;
Sample Donor	Woodhall, D.G.
Rock name	Semipelite.
Stratigraphy	Not entered
Comments	Field name: Basic tuff. Thin section--strongly chloritised fine-grained quartzo-feldspathic roc, no obvious ingneus textures, strong metamorphic fabric
Locality details	820 m 245 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 6571 1502
Year collected	Not entered
Bore name	Not applicable
Confidentiality	No restrictions

Petrological thin sections

Field of view: c. 31 mm.