. "337.0"^^ . . "Sandstone. Stratified bedrock. Occurs onshore. Deposited during the Asbian Substage (Carboniferous Period) (337-330.9 Ma BP)."@en . . . "stable"@en . "Collering Sandstone"@en . . "Sandstone."@en . "330.9"^^ . . . . "CLS"@en . "Collering Sandstone"@en .