BGS mineralogy and petrology collection record

Sample number	E11922; COLLNOR.208;
Sample Donor	Phemister,J.
Rock name	'Original entry: Grit With Impure Silicious Cement'
Stratigraphy	Not entered
Comments	Pebble from crown coal
Locality details	Llay Hall Colliery, nr. Wrexham
50k map sheet	Wrexham (121) View images in GeoScenic related to 'Wrexham' View the geology near 'Wrexham'
Map reference	SJ 316 551
Year collected	Not entered
Bore name	Not applicable
Confidentiality	No restrictions

Petrological thin sections

Field of view: c. 31 mm.