"DBDP"@en . "Metamorphic rock with subsidiary quartzite. Stratified bedrock. Occurs onshore. Deposited during the Neoproterozoic Era (Precambrian) (1000-541 Ma BP)."@en . "541.0"^^ . . . "Dunrossness Phyllitic Formation [Duplicate: use DUPH]"@en . "Dunrossness Phyllitic Formation"@en . . "[Duplicate: use DUPH]"@en . . . . "Dunrossness Phyllitic Formation [Duplicate: use DUPH]"@en . "1000.0"^^ . "stable"@en . . .