BGS mineralogy and petrology collection record

Sample number	E46377; MR19590; COLLNO21EGRYN;
Sample Donor	Woodland,A.W.
Rock name	'Original entry: Manganese Ore'
Stratigraphy	Not entered
Comments	Blue stone above Manganese ore. Manganese Shale Gp.
Locality details	Merioneth Egryn Mines, 2 ml N of Barmouth
50k map sheet	Harlech (135) View images in GeoScenic related to 'Harlech' View the geology near 'Harlech'
Map reference	SH 603 195
Year collected	Not entered
Bore name	Not applicable
Confidentiality	No restrictions

Petrological thin sections

Field of view: c. 31 mm.