BGS mineralogy and petrology collection record

Sample number	MR25093
Sample Donor	Collins,G.H.
Rock name	'Original entry: Slate'
Stratigraphy	Ordovician. Ordovician..
Comments	Dark blue slate.. NGR as in register.
Locality details	Quarry name: Porth Gain Slate quarry.: at 400 yds E 15 degrees S of Trwyn castlell Pembrokeshire
50k map sheet	St. Davids (209) View images in GeoScenic related to 'St. Davids' View the geology near 'St. Davids'
Map reference	SM 796 315
Year collected	1961
Bore name	Not applicable
Confidentiality	No restrictions