BGS mineralogy and petrology collection record

Sample number	E40591; COLLNOBL297;
Sample Donor	Leveridge,B.E.
Rock name	Not entered
Stratigraphy	Not entered
Comments	Major EW features up scarp of Conmay Valley
Locality details	270 yds WNW of Trefriw Chalybeate Wells
50k map sheet	Bangor (106) View images in GeoScenic related to 'Bangor' View the geology near 'Bangor'
Map reference	SH 7760 6541
Year collected	Not entered
Bore name	Not applicable
Confidentiality	No restrictions

Petrological thin sections

Field of view: c. 31 mm.