BGS mineralogy and petrology collection record

Sample number	E17466; COLLNO2021;
Sample Donor	Dunham,K.C.
Rock name	'Original entry: ? Ash'
Stratigraphy	Not entered
Comments	Altered marl or rhyolite. O.R.S.
Locality details	1000 Yds. SSE. of Llanvihangel Church.
50k map sheet	Monmouth (233) View images in GeoScenic related to 'Monmouth' View the geology near 'Monmouth'
Map reference	SO 443 138
Year collected	Not entered
Bore name	Not applicable
Confidentiality	No restrictions

Petrological thin sections

Field of view: c. 31 mm.