Structure and Physiography
The Peninsular plateau
Describe the three divisions of the Peninsular plateau.
An irregular triangle 600-900 m high, from the Delhi ridge to the Cardamom hills; oldest and most stable landmass.
Features: tors, block mountains, rift valleys, quartzite dykes; ravines of Chambal, Bhind, Morena.
Deccan Plateau: Western Ghats (average 1,500 m, Anaimudi 2,695 m) and the lower, broken Eastern Ghats; they meet at the Nilgiris.
Central Highlands: Aravali to the west, Satpura scarps, 700-1,000 m, sloping north and north-east.
Northeastern plateau: Meghalaya (Garo, Khasi, Jaintia) and Karbi Anglong, cut off by a fault; minerals; heavy rain.
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