"Globe Coal (Somerset)"@en . . "Coal."@en . . . . "Coal. Stratified bedrock. Occurs onshore. Deposited during the Bolsovian Substage (Carboniferous Period) (314.75-310 Ma BP)."@en . "314.75"^^ . . "GLCO"@en . "Globe Coal (Somerset)"@en . . . . "stable"@en . "310.0"^^ .