BGS mineralogy and petrology collection record

Sample number	E63536; COLLNOKB536;
Sample Donor	Not entered
Rock name	Metadolostone. 'Original entry: Mudstone'
Stratigraphy	Not entered
Comments	Pyritous, from slate tip(GROUP= )(FORM= LLanrhychwyn Slate Fm.)(MEMB= .)(IE=)(TEXTURE=
Locality details	Blaenau Dolwyddelan
50k map sheet	Snowdon (119) View images in GeoScenic related to 'Snowdon' View a geological map near 'Snowdon'
Map reference	SH 7068 5118
Year collected	Not entered
Bore name	Not applicable
Confidentiality	No restrictions

Petrological thin sections

Field of view: c. 31 mm.