BGS mineralogy and petrology collection record

Sample number	E61413; COLLNOGW23;
Sample Donor	Woodhall, D.G.
Rock name	Not entered
Stratigraphy	Not entered
Comments	Porphyritic andesite or basalt, Builth Volc. Fm.
Locality details	180 m 55 deg from Pantpurlais (Farm), Llandrindod Wells
50k map sheet	Rhayader (179) View images in GeoScenic related to 'Rhayader' View the geology near 'Rhayader'
Map reference	SO 0782 6090
Year collected	Not entered
Bore name	Not applicable
Confidentiality	No restrictions

Petrological thin sections

Field of view: c. 31 mm.