"346.7"^^ . . "Caswell Bay Oolite Formation And Caswell Bay Mudstone Formation (Undifferentiated)"@en . "Caswell Bay Oolite Formation And Caswell Bay Mudstone Formation (Undifferentiated)"@en . . . . "343.0"^^ . "Limestone. Bedrock. Occurs onshore. Formed during the Chadian Substage - to - Arundian Substage (Carboniferous Period) (346.7-343 Ma BP)."@en . "stable"@en . . "Limestone."@en . "CBOM"@en .