. "archaic"@en . "Jura Slate [Obsolete: use JUSL]"@en . "Jura Slate [Obsolete: use JUSL]"@en . "1000.0"^^ . "DBJS"@en . . "541.0"^^ . . "[Obsolete: use JUSL]"@en . . . "Obsolete name. Stratified bedrock. Occurs onshore. Deposited during the Neoproterozoic Era (Precambrian) (1000-541 Ma BP)."@en . . . "Jura Slate Member"@en . .