"CQU"@en . "Mainly sand and gravel forming river terraces and silty, clayey sand forming floodplains and concealing sand and gravel. Including units of silty sand, silt, clay and peat. Clasts mainly sandstone, gritstone, mudstone, limestone and coal."@en . "To 10m"@en . . . "0.0"^^ . . "0.116"^^ . . "Coquet Valley Formation"@en . "Gravel and sand with subsidiary silt and trace clay and peat. Stratified superficial deposits. Occurs onshore. Formed during the Devensian Stage - to - Holocene Epoch (Quaternary Period) (.116-0 Ma BP)."@en . "Ground surface, locally covered by peat."@en . "stable"@en . "Coquet Valley Formation"@en . . . "Sharp, undulating, erosional contact, mainly on grey tills (diamicton) of the North Pennine or North Sea Coast Glacigenic subgroups, or on bedrock."@en .