How were the Northern plains formed ?
Answers
Answer:
Scientists believe that, at the present place of the Himalayas, there was a shallow sea known as the Tethys sea. When the Gondwanaland (indian subcontinent) moved towards the Tibetan land mas the sediments brought down by the two were compressed, folded to form the present day Himalayas. The rivers originating in the Himalayas brought down the sediments to form the northern plains.
The Himalayan uplift out of the Thethy's sea and subsidence of the northern flank of the Peninsular plateau resulted in the formation of a large basin. In due course of time, this depression gradually got filled with the deposition of the sediment by the rivers flowing from mountains in the north. A flat land with extensive alluvial deposits by these rivers led to the formation of the Northern Plains of India.