. "At least 25m"@en . . "337.0"^^ . "stable"@en . . "330.3"^^ . . "Fossiliferous marine shale, red dolomitic limestone, sandstone and seatearth."@en . "Closeburn Limestone Formation"@en . . "Closeburn Limestone Formation"@en . "CLO"@en . "Unconformable on Lower Palaeozoic turbidites."@en . . "Dolomitic limestone and limestone with subsidiary mudstone, sandstone and siltstone and trace seat-earth sandstone. Stratified bedrock. Occurs onshore. Deposited during the Asbian Substage - to - Brigantian Substage (Carboniferous Period) (337-330.3 Ma BP)."@en . "Unconformably overlain by Upper Carboniferous strata."@en .