BGS mineralogy and petrology collection record

Sample number	E31458; COLLNOHS59;
Sample Donor	Squirrell,H.C.
Rock name	'Original entry: Fine Grained Limestone'
Stratigraphy	Not entered
Comments	Old Red Sandstone. Top of St. Maughans Group. Psammosteus limestone.
Locality details	Crindan Tunnel. 1700 Yds. N. at 10 deg. W. of Newport Station.
50k map sheet	Newport (249) View images in GeoScenic related to 'Newport' View the geology near 'Newport'
Map reference	ST 3080 8978
Year collected	Not entered
Bore name	Not applicable
Confidentiality	No restrictions

Petrological thin sections

Field of view: c. 31 mm.