BGS mineralogy and petrology collection record

Sample number	E60575; COLLNOBRM457;
Sample Donor	Merriman,R.J.
Rock name	Microgabbro. 'Original entry: Dolerite'
Stratigraphy	Not entered
Comments	? Carbonated dolerite
Locality details	Minffordd Qry. Nr. Porthmadog
50k map sheet	Corwen (120) View images in GeoScenic related to 'Corwen' View the geology near 'Corwen'
Map reference	SH 593 392
Year collected	Not entered
Bore name	Not applicable
Confidentiality	No restrictions

Petrological thin sections

Field of view: c. 31 mm.