"DBCB"@en . . "Quartzite with subsidiary pelite. Stratified bedrock. Occurs onshore. Deposited during the Neoproterozoic Era (Precambrian) (1000-541 Ma BP)."@en . . . . "stable"@en . . . "1000.0"^^ . . "Quartzite with subsidiary pelite."@en . "Creran Bridge Quartzite Formation"@en . . "541.0"^^ . "Creran Bridge Quartzite Formation"@en .