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
Hemimont Plateau Hemimont Plateau Hemimont Plateau (, ‘Plato Hemimont’ \pla-'to 'he-mi-mont\) is the ice-covered plateau of elevation about 1600 m in southern Graham Land, Antarctica situated midway between Loubet Coast and Fallières Coast on the west, and Bowman Coast on the east, and extending 100 km from the heads of Finsterwalder Glacier and Demorest Glacier on the north to Neny Glacier on the south. Its higher southern part rises to over 1700 m and features McLeod Hill, Beacon Hill and Armadillo Hill. The plateau is named after the Roman province of Hemimont in Southeastern Bulgaria. Hemimont Plateau is centred at . British