. "323.75"^^ . . "stable"@en . "Limestone. Stratified bedrock. Occurs onshore. Deposited during the Arnsbergian Substage (Carboniferous Period) (327-323.75 Ma BP)."@en . "Corsankell Limestone"@en . . . "327.0"^^ . . . . "CRKS"@en . "Limestone."@en . "Corsankell Limestone"@en . .