BGS mineralogy and petrology collection record

Sample number MR23343
Sample Donor Collins,G.H.
Rock name 'Original entry: Shaly Sandstone'
Stratigraphy Ordovician. Ordovican.
Comments Dark blue fine grained shaly Grit. NGR as in register.
Locality details Quarry name: not recorded: at Llanllwni Qry. River Bank,400 ft NE of Llonid's Church Cardiganshire
50k map sheet Llangranog (194)

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Map reference SN 474 414
Year collected 1960 
Bore name Not applicable
Confidentiality No restrictions