"Ben Eagach Schist [Obsolete: use BESC]"@en . "541.0"^^ . . "Base of dominantly graphitic succession above the dominantly semipelitic Killiecrankie Schist in Perthshire and the quartzitic Creag Leacach Quartzite Formation in the Glen Shee district."@en . . "Ben Eagach Schist Formation"@en . . . . . "Not known"@en . "1000.0"^^ . "Top of dominantly graphitic succession below dominantly calcareous succession of the overlying Ben Lawers Schist Formation."@en . "stable"@en . "Graphitic schist and trace graphitic pelite, metaconglomerate, phyllitic graphitic pelite and quartzite. Stratified bedrock. Occurs onshore. Deposited during the Neoproterozoic Era (Precambrian) (1000-541 Ma BP)."@en . "BESC"@en . . . "Ben Eagach Schist Formation"@en . "Black graphitic schist with fine-grained disseminated sulphides."@en . .