"Coal."@en . "Ince Furnace Coal (South Lancashire)"@en . . . "IFCO"@en . . . "318.0"^^ . . "Coal. Stratified bedrock. Occurs onshore. Deposited during the Duckmantian Substage (Carboniferous Period) (318-314.75 Ma BP)."@en . "Ince Furnace Coal (South Lancashire)"@en . . . . "stable"@en . "314.75"^^ .