BGS mineralogy and petrology collection record

Sample number	MR20979
Sample Donor	Not entered
Rock name	Slate. 'Original entry: Slate Of Penmorfa Beds'
Stratigraphy	Not entered
Comments	Slate of Penmorfa beds,slate,Collected byT.N. George TN155
Locality details	Tu-Hwn't-I'r-Bwlch Quarry, Porthmadog, Carnarvon,
50k map sheet	Snowdon (119) View images in GeoScenic related to 'Snowdon' View a geological map near 'Snowdon'
Map reference	SH 561 389
Year collected	Not entered
Bore name	Not applicable
Confidentiality	No restrictions