. . . "Mullaghcarn Formation [Duplicate 2: use MCA]"@en . "1000.0"^^ . . . "stable"@en . . "Stratified bedrock. Occurs onshore. Deposited during the Neoproterozoic Era (Precambrian) (1000-541 Ma BP)."@en . . "[Duplicate: use MCA]"@en . "Mullaghcarn Formation [Duplicate 2: use MCA]"@en . "541.0"^^ . "DCMG"@en . . "Mullaghcarn Formation"@en .