. . . . . "0.116"^^ . . . "0.0"^^ . "Cumbria-Lancashire Catchments Subgroup"@en . "Ground surface or unconformable below artificial deposits."@en . "stable"@en . . "Clay, gravel, sand and silt with subsidiary peat. Stratified superficial deposits. Occurs onshore. Formed during the Devensian Stage - to - Holocene Epoch (Quaternary Period) (.116-0 Ma BP)."@en . "Probably unconformable and in places strongly incised into highly variable sediments of the Caledonia or Albion Glacigenic groups and bedrock."@en . . "Alluvial silt, sand, clay and gravel with some peat. Associated River Terraces are dominated by sand and gravel, gravelly sand or sandy gravel with rare clay and silt."@en . "CLCA"@en . "Swettenham Formation [Obsolete: use CLCA, CNWCA, LUNV, MSYVA]"@en . . . . "Highly variable depending on the relative stratigraphical positions of each of the component units. In the major river valleys the thickness may vary between 2 and 5m, but probably does not exceed 10m. For deposits flanking the major river valleys, the thickness probably varies between 1 and 3m."@en . "Cumbria-Lancashire Catchments Subgroup"@en .