BGS mineralogy and petrology collection record

Sample number	E67618; COLLNOGW582;
Sample Donor	Woodhall, D.G.
Rock name	Not entered
Stratigraphy	Not entered
Comments	Dolerite, including Llanfawr Mst. Fmn.
Locality details	Tanlan, Newmedd Farm
50k map sheet	Builth (196) View images in GeoScenic related to 'Builth' View a geological map near 'Builth'
Map reference	SO 0570 5477
Year collected	Not entered
Bore name	Not applicable
Confidentiality	No restrictions

Petrological thin sections

Field of view: c. 31 mm.