"319.0"^^ . . "Six Inch Marine Band [Local Name: see SBMB]"@en . . . . "Subcrenatum Marine Band"@en . "6INMB"@en . "stable"@en . . . "Six Inch Marine Band [Local Name: see SBMB]"@en . . . "318.0"^^ . . "Mudstone. Stratified bedrock. Occurs onshore. Deposited during the Langsettian Substage (Carboniferous Period) (319-318 Ma BP)."@en . "Local name for the Subcrenatum Marine Band (SBMB) in part(s) of the Lancashire Coalfield, possibly still in current use to some extent. Mudstone."@en .