BGS mineralogy and petrology collection record

Sample number	E47193; COLLNOLA395;
Sample Donor	Allen,P.M.
Rock name	'Original entry: Siltstone'
Stratigraphy	Not entered
Comments	Shale with sulphide
Locality details	280 yds 27 deg from Blaen y Cwm
50k map sheet	Harlech (135) View images in GeoScenic related to 'Harlech' View the geology near 'Harlech'
Map reference	SH 7124 2214
Year collected	Not entered
Bore name	Not applicable
Confidentiality	No restrictions

Petrological thin sections

Field of view: c. 31 mm.