"499.0"^^ . "Breccia with subsidiary sandstone. Stratified bedrock. Occurs onshore. Deposited during the St David's Series (Cambrian Period) (508-499 Ma BP)."@en . . . "Comley Breccia Bed"@en . "508.0"^^ . "Unconformable on Lower Comley Sandstone Formation."@en . . "3 to 4m"@en . "Comley Breccia Bed"@en . . "Sedimentary breccia of glauconitic sandstone and pink limestone clasts, set in a matrix of glauconitic sandstone."@en . . "Appears to be conformably overlain by the main part of the Hill House Grits."@en . . "stable"@en . . . "CYBB"@en .