BGS mineralogy and petrology collection record

Sample number	E24571; COLLNOAA17;
Sample Donor	Archer,A.A.
Rock name	Mudstone, Carbonaceous. 'Original entry: Carbonaceous Mudstone'
Stratigraphy	Not entered
Comments	Not entered
Locality details	No.11 B.H. Llanwyrst - (Cyffty Mine)
50k map sheet	Bangor (106) View images in GeoScenic related to 'Bangor' View a geological map near 'Bangor'
Map reference	SH 773 589
Year collected	Not entered
Bore name	Not applicable
Confidentiality	No restrictions

Petrological thin sections

Field of view: c. 31 mm.