BGS mineralogy and petrology collection record

Sample number	E52248; COLLNOLA654;
Sample Donor	Allen,P.M.
Rock name	'Original entry: Dolerite'
Stratigraphy	Not entered
Comments	Dolerite
Locality details	720 yds 97 deg from Brith Frynian
50k map sheet	Bala (136) View images in GeoScenic related to 'Bala' View the geology near 'Bala'
Map reference	SH 8252 2199
Year collected	Not entered
Bore name	Not applicable
Confidentiality	No restrictions

Petrological thin sections

Field of view: c. 31 mm.