. . . "0.0"^^ . "2.58"^^ . "Sand and gravel, with possible lenses of silt, clay or peat. [Generic description]."@en . . . . . "Bassingfield Sand And Gravel Member"@en . "Bassingfield Sand And Gravel Member"@en . . . "Gravel and sand. Stratified superficial deposits. Occurs onshore. Formed during the Quaternary Period (2.58-0 Ma BP)."@en . "Bassingfield Sand and Gravel [Obsolete: use BASG]"@en . "BASG"@en . "stable"@en .