. . "Usually 25-30 m, but may achieve 58 m locally."@en . "Cardingmill Grit Member"@en . "CDDG"@en . . "Cardingmill Grit Member"@en . . . "stable"@en . "The base is transitional over a few metres, but is generally taken at the base of the first thick bed of coarse grained sandstone that succeeds relatively thinly interbedded fine grained, cross-bedded sandstones and mudstones of the Burway Formation."@en . . "635.0"^^ . "Drawn at the relatively sharp conformable upward passage from coarse sandstones of the Cardingmill Grit to purple mudstones and siltstones of the Synalds Formation."@en . . . . "Carding Mill Grit [Obsolete: use CDDG]"@en . "Cardingmill Grit [Obsolete: use CDDG]"@en . "Sandstone with subsidiary siltstone. Stratified bedrock. Occurs onshore. Deposited during the Ediacaran Period (Precambrian) (635-541 Ma BP)."@en . "541.0"^^ . . "Massive to thick-bedded and cross-bedded coarse-grained sandstones, commonly micaceous and locally pebbly, with a few thin siltstone beds."@en .