"Murlough Bay Coal H (Ballycastle, Northern Ireland)"@en . "Arched Mine Coal"@en . "ADMC"@en . "stable"@en . . "346.7"^^ . . . "Coal. Stratified bedrock. Occurs onshore. Deposited during the Visean Age (Carboniferous Period) (346.7-330.3 Ma BP)."@en . . . "330.3"^^ . . . "Arched Mine Coal"@en . "Coal."@en . .