"Down Cliff Sands [Obsolete: use DCSA]"@en . . . "Laminated Beds [Obsolete: use DCSA]"@en . "192.9"^^ . . . "Top of Margaritatus Stone."@en . . "stable"@en . . "Sand with subsidiary sandy mudstone and trace limestone and sandstone. Stratified bedrock. Occurs onshore. Deposited during the Pliensbachian Age (Jurassic Period) (192.9-184.2 Ma BP)."@en . "184.2"^^ . "To 27m"@en . . "Down Cliff Sand Member"@en . . "Base of Starfish Bed."@en . "Grey-brown, muddy, very fine-grained sands and sandy mudstones, closely interbedded."@en . . "DCSA"@en . . "Down Cliff Sand Member"@en .