"stable"@en . . "Metasandstone and sandstone with subsidiary pelite and semipelite and trace metaconglomerate, metalimestone, metamudstone and psammite. Stratified bedrock. Occurs onshore. Deposited during the Ediacaran Period (Precambrian) - to - Comley Series (Cambrian Period) (635-508 Ma BP)."@en . "Metasandstone, arenite to wacke, pale to dark grey, fine- to very coarse-grained, locally gritty and pebbly, interbedded with semipelite and pelite; contains brown-weathering calcareous nodules in upper part. Generally becomes coarser-grained upwards."@en . "Ben Ledi Grit Formation"@en . . "BLEG"@en . "In excess of 2000m (estimated)"@en . "Outgoing of chloritic and feldspathic coarse arenites and wackes and incoming of clean arenites (base of Keltie Water Grit and Loch Ard Grit formations)."@en . . "Outgoing of chloritic and epidotic, pale to dark green and grey rocks or outgoing of clean, coarse arenites and incoming of more matrix-rich arenites and wackes."@en . "Ben Ledi Grit Formation"@en . . . . . "635.0"^^ . "508.0"^^ .