"359.3"^^ . . "Iniscarn Formation"@en . . . "Conglomerate and breccia with subordinate argillaceous beds."@en . . . . . "stable"@en . . . "Lower Calciferous Sandstone Measures [Obsolete: use IS]"@en . "Iniscarn Sandstone Formation [Obsolete: use IS]"@en . . "Lower Calciferous Sandstone [Obsolete: use IS]"@en . "600m+"@en . . "Iniscarn Formation"@en . "Rests unconformably on Pre-Carboniferous basement (Dalradian - Ordovician)."@en . "Breccia and conglomerate with subsidiary mudstone. Stratified bedrock. Occurs onshore. Deposited during the Tournaisian Age (Carboniferous Period) (359.3-346.7 Ma BP)."@en . "IS"@en . "346.7"^^ . "Not known; probably conformable with Altagoan Formation."@en .