. . "330.3"^^ . . . "Balbardie Blackband Ironstone"@en . "Ironstone."@en . "Ironstone. Stratified bedrock. Occurs onshore. Deposited during the Pendleian Substage (Carboniferous Period) (330.3-327 Ma BP)."@en . . "BALB"@en . . "327.0"^^ . "Balbardie Blackband Ironstone"@en . . "stable"@en . .