BGS mineralogy and petrology collection record

Sample number	E30292; COLLNOHS25;
Sample Donor	Squirrell,H.C.
Rock name	'Original entry: Siltstone (Protoquartzite Type)'
Stratigraphy	Not entered
Comments	Downton Castle Sandstone.
Locality details	3350 Yds. S. at 13 deg. W. of Usk Station.
50k map sheet	Newport (249) View images in GeoScenic related to 'Newport' View the geology near 'Newport'
Map reference	ST 3688 9822
Year collected	Not entered
Bore name	Not applicable
Confidentiality	No restrictions

Petrological thin sections

Field of view: c. 31 mm.