BGS mineralogy and petrology collection record

Sample number	E34087; COLLNOKH561;
Sample Donor	Harrison,R.K.
Rock name	'Original entry: Silty Mudstone'
Stratigraphy	Not entered
Comments	Nant Glyn Flags. Undisturbed silty mudstone underlying disturbed beds. Ribbon bedded silty mudstone.
Locality details	Disused quarry, 0.25 miles S. of Bylchau.
50k map sheet	Denbigh (107) View images in GeoScenic related to 'Denbigh' View the geology near 'Denbigh'
Map reference	SJ 9749 6253
Year collected	Not entered
Bore name	Not applicable
Confidentiality	No restrictions

Petrological thin sections

Field of view: c. 31 mm.