. . "Pelite and quartzite and trace graphitic pelite, psammite and semipelite. Stratified bedrock. Occurs onshore. Deposited during the Neoproterozoic Era (Precambrian) (1000-541 Ma BP)."@en . "1000.0"^^ . "70m"@en . "541.0"^^ . "Interbedded quartzite and graphitic pelite with local graded bedding."@en . "Carn An Daimh Transitional Member"@en . "CADT"@en . "Top of the interbedded quartzite/psammite and graphitic pelite succession. Base of the quartzite succession of the Creag Leacach Quartzite Formation."@en . . . "Gradational boundary with the underlying Glen Taitneach Schist Member of the Gleann Beag Schist Formation located where psammite/quartzite becomes abundant."@en . . "stable"@en . . "Carn An Daimh Transitional Member"@en . . .