BGS mineralogy and petrology collection record

Sample number	E30305; COLLNOHS42;
Sample Donor	Squirrell,H.C.
Rock name	Not entered
Stratigraphy	Not entered
Comments	Upper coal measures. Calc bed with prominent cone-in-cone.
Locality details	2140 Yds. E. at 1 deg. N. of Groeswen Halt, Nantgarw 'B' BH.
50k map sheet	Newport (249) View images in GeoScenic related to 'Newport' View a geological map near 'Newport'
Map reference	SO 1346 8680
Year collected	Not entered
Bore name	Not applicable
Confidentiality	No restrictions

Petrological thin sections

Field of view: c. 31 mm.