Ice-sheet Britain
Series Title:- The Orkney Riddle 28/29 Blog Title:- Ice-sheet Britain This is an attempt to contribute to a better understanding of how the topography of Britain was created by the presence of thick ice-sheets on its surface through multiple cold periods, over many millions of years. Understanding the geological processes of recent prehistory maps out where land may have existed; land which is now completely absent. This might suggest how people, plants, trees, and animals may have been able to migrate across to Britain from continental Europe. The map above is a topographic rendering of the land surface of Britain. It demonstrates that the group of islands that make up the British Isles are adjacent to the Atlantic Ocean, at their northwestern approach. Significant features in the topography are the mountains of Scotland, Northern England, Wales, Cornwall, and Ireland. These mountains are sliced by valleys, and some locations...