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 the geology near 'Builth'
Map reference
Year collected	1932
Bore name	Not applicable
Confidentiality	No restrictions