Geography of Dorset Channel. It stretches from Lyme Regis in the west to Highcliffe in the east. The main settlements on the coastline are, from west to east, Lyme Regis, Weymouth, Swanage, Poole, Bournemouth and Christchurch, although the majority of the coastline is not covered by urban development. The Dorset coastline contains a great variety of coastal landforms, including cliffs, bays, headlands, a large natural harbour and a barrier beach. Almost the entire length of the Dorset coast forms the major part of the Jurassic Coast World Heritage Site, designated in 2001. This coast is notable for the variety in its geological structure
Coastline of the North Sea not formed by sediment deposition; it is considerably older and is composed of early Triassic sandstone. Coastline of the North Sea The coastline of the North Sea has been evolving since the last glacier receded. The coastline varies from fjords, river estuaries to mudflats. The eastern and western coasts of the North Sea are jagged, as they were stripped by glaciers during the ice ages. The coastlines along the southernmost part are soft, covered with the remains of deposited glacial sediment, which was left directly by the ice or has been redeposited by the sea. The Norwegian mountains plunge into