BGS mineralogy and petrology collection record

Sample number	E47504; COLLNOMH695;
Sample Donor	Howells,M.F.
Rock name	'Original entry: Porphyritic Volcanic Rock'
Stratigraphy	Not entered
Comments	Porphyritic intrusive
Locality details	Pentre Cefn, N Side of Craig Wen
50k map sheet	Oswestry (137) View images in GeoScenic related to 'Oswestry' View the geology near 'Oswestry'
Map reference	SJ 225 272
Year collected	Not entered
Bore name	Not applicable
Confidentiality	No restrictions

Petrological thin sections

Field of view: c. 31 mm.