British Coastal Deposits GroupName
94100Province: The British Isles excluding Ireland.
Geologic Age: Calabrian Age-Holocene Epoch
Other: Clay, gravel, sand and silt with subsidiary peat and trace diamicton. Stratified superficial deposits. Occurs onshore. Formed during the Cromerian Stage - to - Holocene Epoch (Quaternary Period) (.86-0 Ma BP). A suite of near-shore marine, coastal and estuarine deposits of sand, gravel, silt, clay and peat that contain clasts derived from rocks cropping out throughout Great Britain and the Isle of Man. Includes glacio-isostatically uplifted [raised] deposits lying to the north of a hinge-line crossing northern England between the Ribble and Tyne, and isostatically uplifted Interglacial shoreline deposits around the coast of southern Britain. To 80m Unconformable contact with units of the Britannia Catchments Group, the Caledonia Glacigenic Group, the Albion Glacigenic Group, the Dunwich and/or Crag groups, and bedrock. Generally the ground surface, but units of this Group commonly interfinger with units of the Britannia Catchments Group. Raised beaches of Late Devensian age commonly interdigitate with units of the Caledonia Glacigenic Group.
Usage: Current name
