BGS mineralogy and petrology collection record

Sample number	E61613; COLLNOMH1527;
Sample Donor	Howells,M.F.
Rock name	Metamicrogabbro.
Stratigraphy	Not entered
Comments	Dolerite
Locality details	SE of Dyffrydan
50k map sheet	Barmouth (149) View images in GeoScenic related to 'Barmouth' View a geological map near 'Barmouth'
Map reference	SN 6990 1142
Year collected	Not entered
Bore name	Not applicable
Confidentiality	No restrictions

Petrological thin sections

Field of view: c. 31 mm.