"327.0"^^ . . "Brainshaugh Limestone"@en . . "BHGL"@en . "Limestone with subsidiary calcareous mudstone."@en . "stable"@en . . . . . "323.75"^^ . . . "Brainshaugh Limestone"@en . "Limestone with subsidiary calcareous mudstone. Stratified bedrock. Occurs onshore. Deposited during the Arnsbergian Substage (Carboniferous Period) (327-323.75 Ma BP)."@en . . "Thornbrough Limestone"@en . . "Lower Foxton Limestone"@en .