BGS mineralogy and petrology collection record

Sample number MR22340
Sample Donor Chaperlin,K.
Rock name 'Original entry: Dolerite'
Stratigraphy Caledonian Sill Intruded Into Basal Ordovician Coglomerate
Comments Dolerite. NGR as in register.
Locality details Quarry name: not recorded: at Hafotty Qry. 100 yd SSW of Hafotty Filltir Gerig Merioneth
50k map sheet Corwen (120)

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Map reference SH 816 389
Year collected 1959 
Bore name Not applicable
Confidentiality No restrictions