BGS mineralogy and petrology collection record

Sample number MR23354
Sample Donor Collins,G.H.
Rock name 'Original entry: Shaly Sandstone'
Stratigraphy Ordovician. Ordovician.
Comments Blue grey fine grained Shaly Grit. NGR as in register.
Locality details Quarry name: not recorded: at Tan y Groes Qry. 1050 yd due E of Esgair Ethin Cardiganshire
50k map sheet Llangranog (194)

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Map reference SN 294 504
Year collected 1960 
Bore name Not applicable
Confidentiality No restrictions