BGS mineralogy and petrology collection record

Sample number	E2005
Sample Donor	Ramsey,Professor
Rock name	Dolerite (Synonymous With Microgabbro). 'Original entry: Ophitic Diabase'
Stratigraphy	Not entered
Comments	Not entered
Locality details	Railway Cutting at Gwern y Fydd. Nr. Builth
50k map sheet	Builth (196) View images in GeoScenic related to 'Builth' View the geology near 'Builth'
Map reference
Year collected	Not entered
Bore name	Not applicable
Confidentiality	No restrictions