. . . "0 - 400m (excluding penecontemporaneous sills)."@en . "Volcaniclastic-sandstone with subsidiary volcaniclastic-breccia. Stratified bedrock. Occurs onshore. Deposited during the Caradoc Series (Ordovician Period) (458.2-449.75 Ma BP)."@en . "Dunnerdale Sandstone Formation"@en . "Dunnerdale Sandstone Formation"@en . . . . "stable"@en . "Dunnerdale Formation [Obsolete: use DNF]"@en . "Dunnerdale Tuffs [Obsolete: use DNF]"@en . "449.75"^^ . "458.2"^^ . . . . "Volcaniclastic sandstone, locally with volcaniclastic breccia; sequence coarsens upwards. Units within this contain ichnofossils [Johnson et al, 1994]."@en . "Contact with overlying Lickle Formation (dacitic and rhyolitic tuff) and locally intervening intrusive basaltic andesite and andesite."@en . "Base of volcaniclastic sandstone that rests unconformably on the Wallowbarrow Tuff Formation (andesitic tuff), Ulpha Andesite Formation (andesite lava) and Holehouse Mudstone Gill Formation (mudstone and sandstone). Andesite intrusions intervene locally."@en . "DNF"@en . .