BGS mineralogy and petrology collection record

Sample number	E67329; COLLNOBRM1718;
Sample Donor	Merriman,R.J.
Rock name	Not entered
Stratigraphy	Not entered
Comments	Slate; Rhayader Mst. Formation. Llandovery
Locality details	7.7 Km NW of Llanwrtyd Wells
50k map sheet	Builth (196) View images in GeoScenic related to 'Builth' View a geological map near 'Builth'
Map reference	SN 805 494
Year collected	Not entered
Bore name	Not applicable
Confidentiality	No restrictions

Petrological thin sections

Field of view: c. 31 mm.