"stable"@en . . "205.7"^^ . . . "199.5"^^ . . "See the Lithology descriptions for the component members."@en . . "Barnstone Member And Barnby Member (Undifferentiated)"@en . . "Barnstone Member And Barnby Member (Undifferentiated)"@en . "Calcareous mudstone, limestone and mudstone and trace calcilutite. Bedrock. Occurs onshore. Formed during the Rhaetian Age (Triassic Period) - to - Hettangian Age (Jurassic Period) (205.7-199.5 Ma BP)."@en . "BABA"@en .