BGS mineralogy and petrology collection record

Sample number	E69103; COLLNOGW632;
Sample Donor	Woodhall, D.G.
Rock name	Not entered
Stratigraphy	Not entered
Comments	Tuff (Silicic ?)
Locality details	Tributary of Brook, Gilwern Hill
50k map sheet	Rhayader (179) View images in GeoScenic related to 'Rhayader' View a geological map near 'Rhayader'
Map reference	SO 0920 5904
Year collected	Not entered
Bore name	Not applicable
Confidentiality	No restrictions