BGS mineralogy and petrology collection record

Sample number	E67587; COLLNOGW599;
Sample Donor	Woodhall, D.G.
Rock name	Not entered
Stratigraphy	Not entered
Comments	Feldsparphyric basalt/tuff contact, Llanelwedd Basalt
Locality details	Builth Qrys. Main, NW side
50k map sheet	Builth (196) View images in GeoScenic related to 'Builth' View a geological map near 'Builth'
Map reference	SO 0495 5240
Year collected	Not entered
Bore name	Not applicable
Confidentiality	No restrictions

Petrological thin sections

Field of view: c. 31 mm.