BGS mineralogy and petrology collection record

Sample number E1639
Sample Donor Geikie,A.; Teall, J.J.H.;
Rock name 'Original entry: Grit With Chlorite Vein'
Stratigraphy Not entered
Comments Ordovician. Aranig. See Mem.Geol.of Anglesey p.466 c of E.8469. A little below the Carmel Head thrust-plane
Locality details S.of Porth y Corwgl
50k map sheet Holyhead (93)

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Map reference SH 483 926
Year collected Not entered 
Bore name Not applicable
Confidentiality No restrictions