BGS mineralogy and petrology collection record

Sample number	E52258; COLLNOLB510;
Sample Donor	Jackson,A.A
Rock name	'Original entry: Tuff Rhyolite'
Stratigraphy	Not entered
Comments	Banded siltstone & Sst.
Locality details	410 m 344 deg from Cae Llwyd
50k map sheet	Bala (136) View images in GeoScenic related to 'Bala' View the geology near 'Bala'
Map reference	SH 8267 2564
Year collected	Not entered
Bore name	Not applicable
Confidentiality	No restrictions

Petrological thin sections

Field of view: c. 31 mm.