BGS mineralogy and petrology collection record

Sample number	MR9450
Sample Donor	Not entered
Rock name	Diorite. 'Original entry: Diabase-Porphyrite'
Stratigraphy	Ordovician.
Comments	Diabase-porphyrite,Ordovician,Collected byTG Jones J890
Locality details	Llanelwedd,near Builth, W of Cadwgan above large machinery plant,
50k map sheet	Builth (196) View images in GeoScenic related to 'Builth' View a geological map near 'Builth'
Map reference
Year collected	1932
Bore name	Not applicable
Confidentiality	No restrictions