"425.0"^^ . "Sandstone, with subordinat siltstone and mudstone."@en . . . . "GTE"@en . "Gawthwaite Formation"@en . "Gawthwaite Formation"@en . "Conformably overlies the Wray Castle Formation."@en . "Conformably overlain by the Latrigg Formation of the Coniston Group."@en . . "Sandstone with subsidiary mudstone, siliciclastic argillaceous rock and siltstone. Stratified bedrock. Occurs onshore. Deposited during the Gorstian Age (Silurian Period) (426.7-425 Ma BP)."@en . "426.7"^^ . . . "stable"@en . "c.300 - 500m"@en . . .