. . "DAMF"@en . "541.0"^^ . . . "1000.0"^^ . . . "Maol An Fhithich Quartzite Formation"@en . "Quartzite. Stratified bedrock. Occurs onshore. Deposited during the Neoproterozoic Era (Precambrian) (1000-541 Ma BP)."@en . . . "stable"@en . "Quartzite."@en . "Maol An Fhithich Quartzite [Obsolete: use DAMF]"@en . "Maol An Fhithich Quartzite Formation"@en . .