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 the geology near 'Snowdon'
Map reference	SH 561 389
Year collected	Not entered
Bore name	Not applicable
Confidentiality	No restrictions