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 the geology 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.