. "Not known."@en . "Drawn at base of quartzite of the Kinnairds Head Formation where it rests conformably on quartzite of the Mormond Hill Quartzite."@en . "Drawn at conformable upward passage from limestone and semi-pelitic wacke of the Kinnairds Head Formation to semi-pelitic wacke of the Rosehearty Group."@en . . "Coarse silicate-sandstone, semipelite and wacke with subsidiary calcsilicate-rock and marble. Stratified bedrock. Occurs onshore. Deposited during the Neoproterozoic Era (Precambrian) (1000-541 Ma BP)."@en . . . . "1000.0"^^ . "Kinnairds Head Formation"@en . "541.0"^^ . "Kinnairds Head Formation"@en . "Grit, greywacke, semi-pelite with some calc-silicate rock and rare marble."@en . . . "DBKH"@en . . "stable"@en . . "Kinnairds Head Group [Obsolete: use DBKH]"@en .