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