. "Red shales and mudstones with local beds of gypsum and anhydrite, rare dolomitic limestones."@en . "251.9"^^ . . . . . "Conformable base on Penrith Sandstone Formation."@en . "Conformable upward passage to St Bees Sandstone Formation."@en . . "St Bees Shales [Obsolete: use EDSH]"@en . "EDSH"@en . . "298.9"^^ . . "Eden Shales Formation"@en . "Eden Shales Formation"@en . . "Mudstone with subsidiary anhydrite-stone and gypsum-stone and trace dolostone and limestone. Stratified bedrock. Occurs onshore. Deposited during the Permian Period (298.9-251.9 Ma BP)."@en . "Up to c.100m"@en . . . . . . . . "stable"@en .