"318.0"^^ . . "Blenfire Rock"@en . "Sandstone. Stratified bedrock. Occurs onshore. Deposited during the Langsettian Substage (Carboniferous Period) (319-318 Ma BP)."@en . . "Blenfire Rock"@en . . "319.0"^^ . . "BLR"@en . . "Sandstone."@en . . "stable"@en . . .