BGS mineralogy and petrology collection record

Sample number	E63030; COLLNOKB30;
Sample Donor	Not entered
Rock name	Metadolostone. 'Original entry: Mudstone'
Stratigraphy	Not entered
Comments	.5m from lower contact of dolerite sill(GROUP= Nantmor Group)(FORM= Cwm Eigiau Fm.)(MEMB= .)(IE=)(TEXTURE=Contact Altered
Locality details	S bank, Nant Llyn y Foel
50k map sheet	Snowdon (119) View images in GeoScenic related to 'Snowdon' View a geological map near 'Snowdon'
Map reference	SH 7160 5474
Year collected	Not entered
Bore name	Not applicable
Confidentiality	No restrictions

Petrological thin sections

Field of view: c. 31 mm.