BGS mineralogy and petrology collection record

Sample number	E31738; COLLNOGR25;
Sample Donor	Rhys,G.H.
Rock name	Mineral-Type-Claystone (Unspecified Mineral).
Stratigraphy	Not entered
Comments	laminated clays 5 ft below surface, GR25, XLIX p.206
Locality details	from trench carrying new water main from Yorkshire Derwent to Sheffield at point 2 miles ESE of Knottingley on side of Cobcroft Lane, 250NE, SE52SW
50k map sheet	Wakefield (78) View images in GeoScenic related to 'Wakefield' View a geological map near 'Wakefield'
Map reference	SE 536 221
Year collected	0
Bore name	Not applicable
Confidentiality	No restrictions

Petrological thin sections

Field of view: c. 31 mm.