BGS mineralogy and petrology collection record

Sample number	MR19628
Sample Donor	Woodland,A.W.
Rock name	'Original entry: Manganese Ore'
Stratigraphy	Not entered
Comments	Showing good developement of blackish bands of containing finely disseminated pyrolusite Lower Cambrian
Locality details	West side of Mynydd Cwm-mynach
50k map sheet	Harlech (135) View images in GeoScenic related to 'Harlech' View the geology near 'Harlech'
Map reference	SH 675 222
Year collected	Not entered
Bore name	Not applicable
Confidentiality	No restrictions