BGS mineralogy and petrology collection record

Sample number	E61457; COLLNOFU477;
Sample Donor	Fletcher, Chris J.N
Rock name	Not entered
Stratigraphy	Not entered
Comments	Medium grained tuff ? Ashgill
Locality details	200 m N of Troedyrhiw
50k map sheet	Rhayader (179) View images in GeoScenic related to 'Rhayader' View a geological map near 'Rhayader'
Map reference	SN 9558 5864
Year collected	Not entered
Bore name	Not applicable
Confidentiality	No restrictions

Petrological thin sections

Field of view: c. 31 mm.