"Creag Buidhe Semipelite Formation"@en . . . "CGBH"@en . . . "Gneissose to migmatitic semipelite, locally muscovitic and garnetiferous; minor and local lenses of quartzite and units of micaceous psammite.\r\nMain lithology: gneissose semipelite (SPELGN); trace lithology: quartzite (QZITE), micaceous psammite (PSAMI)."@en . "stable"@en . "Gneissose semipelite and trace micaceous psammite and quartzite. Stratified bedrock. Occurs onshore. Deposited during the Tonian Period (Precambrian) (1000-720 Ma BP)."@en . "Conformable contact with the structurally overlying Beinn Bhreac Psammite Formation (BBPS); no way-up criteria."@en . . . "Not exposed - interbanded with psammites of the Dava Subgroup (undifferentiated)."@en . "720.0"^^ . "Creag Buidhe Semipelite Formation"@en . . . "1000.0"^^ .