Chota Nagpur Plateau has the remains of an old fort belonging to the Nagavanshis. The Chhota Nagpur Plateau is a continental plateau—an extensive area of land thrust above the general land. The plateau has been formed by continental uplift from forces acting deep inside the earth. The Gondwana substrates attest to the plateau's ancient origin. It is part of the Deccan Plate, which broke free from the southern continent during the Cretaceous to embark on a 50-million-year journey that was violently interrupted by the northern Eurasian continent. The northeastern part of the Deccan Plateau, where this ecoregion sits, was the first area of
Geography of Switzerland Swiss Plateau. The Swiss Plateau is crossed by three great river valleys (Rhône, Rhine and Aare) and the smaller Thur valley. While the headwaters of these four rivers all lie in the Alps, they all cut across the plateau between the Alps and the Jura mountains. Near Schaffhausen the Rhine passes through the Rhine Falls, Europe's largest waterfall. The Rhine Falls are wide and . The plateau occupies about one third of the land area of Switzerland, and about two thirds of the population live in this area. The population density on the plateau averages about 450 people per km