BGS mineralogy and petrology collection record

Sample number	E40602; COLLNOBL308;
Sample Donor	Leveridge,B.E.
Rock name	Not entered
Stratigraphy	Not entered
Comments	Old qry by Afon Ddu
Locality details	320 yds WNW of Trefriw Chalybeate Wells
50k map sheet	Bangor (106) View images in GeoScenic related to 'Bangor' View a geological map near 'Bangor'
Map reference	SH 7755 6535
Year collected	Not entered
Bore name	Not applicable
Confidentiality	No restrictions

Petrological thin sections

Field of view: c. 31 mm.