. . . . . "stable"@en . "Sliding Stone Slump Breccia Member"@en . "Sliding Stone Slump Breccia Member"@en . "Grey, coarse-grained volcaniclastic sandstone with abundant angular clasts and large folded and contorted rafts of grey, laminated mudstone and siltstone. Beds of volcaniclastic sandstone and siltstone become increasingly intercalated towards the top of the unit."@en . . "Slate Agglomerate [Obsolete: use CMSS]"@en . . "635.0"^^ . "Sharp contact on grey, laminated tuffaceous mudstones and siltstones of the Beacon Hill Formation."@en . "541.0"^^ . "Mudstone, siltstone and volcaniclastic-sandstone with subsidiary volcaniclastic-siltstone. Stratified bedrock. Occurs onshore. Deposited during the Ediacaran Period (Precambrian) (635-541 Ma BP)."@en . "Grades upwards, by decrease in proportion of beds with mudstone rafts, into volcaniclastic sandstones and siltstones of the Hallgate Member."@en . "Variable, possibly up to 18m."@en . . "CMSS"@en . .