. "Bank Farm Sand and Gravel"@en . "BFSG"@en . "Gravel and sand. Stratified superficial deposits. Occurs onshore. Formed during the Devensian Stage (Quaternary Period) (.116-.0118 Ma BP)."@en . . "0.0118"^^ . "Sand and gravel, with possible lenses of silt, clay or peat. [Generic description]."@en . . "Bank Farm Sand and Gravel"@en . . "0.116"^^ . . . . "stable"@en . .