BGS mineralogy and petrology collection record

Sample number	E52279; COLLNOLB531;
Sample Donor	Jackson,A.A
Rock name	'Original entry: Dolerite'
Stratigraphy	Not entered
Comments	Marginal facies to dolerite
Locality details	1230 m 274 deg from Pant Gwyn
50k map sheet	Bala (136) View images in GeoScenic related to 'Bala' View the geology near 'Bala'
Map reference	SH 8375 2695
Year collected	Not entered
Bore name	Not applicable
Confidentiality	No restrictions

Petrological thin sections

Field of view: c. 31 mm.