"ASL"@en . . . . . "stable"@en . "Limestone and sandy limestone. Bedrock. Occurs onshore. Formed during the Caradoc Series (Ordovician Period) (458.2-449.75 Ma BP)."@en . "449.75"^^ . "458.2"^^ . . . "Limestone and sandy limestone."@en . . "Acton Scott Limestone"@en . . "c.25m"@en . "Acton Scott Limestone"@en .