Mention the major physiographic divisions of North East India
Answers
Convergent Boundary, Divergent Boundary and Transform Boundary). 6. The major physiographic divisions of India (i.e. The Himalayan Mountains, The Northern Plains, The Peninsular Plateau, The Indian Desert, The Coastal Plains, and The Islands).
Which are the major physiographic divisions of India?
1. The northern plain.
2. The peninsular plateau.
3. The Great Indian desert.
4. The Coastal plain.
5. The Island.
6. The Great Himalayas.
=> The Himalayan, geological young and structurally fold mountains stretch over the northern borders of India.
=> These mountain Rangers Run in a west-east direction from the Indus to Brahmaputra river.
=>The Himalayas represent the loftiest and one of the most rugged mountain barriers of the world.
=> Northern plain has been formed by the interplay of three major river systems namely- the Indus the Ganga and Brahmaputra along with their tributaries.
=> This plain is formed of Alluvial soil.
=> The decomposition of alluvium in a vast basin lying at the foothills of the Himalaya over millions of years, formed this fertile plain.
=> The Peninsular plateau is a table lines composed of old crystalline igneous and metamorphic rocks.
=> It was formed due to the breaking and drifting of the Gondwana land and thus, making it a part of the oldest landmass.
=> The plateau has broad and Shallow valleys and Rounded hills.
=> The Indian desert lies towards the Western margins of Aravali Hills.
=> It is undulating sandy plain cover with sand dune.
=> This region receive very low rainfall below 150 mm per year.
=> It has Arid climate with low vegetation cover.
=> Streams appears during the rainy season.
=> Soon after they disappear into the same as they do not have enough water to reach the sea.
=> This coast is sandwiched between Western Ghats and the Arabian Sea, is now a plain.
=> It consists of three sections The Northern part of coast is called Konkan the Central Stretch is called the Kannad plane while the southern stretch is referred to Malabar Coast.
=> There are only two major Islands of India namely - Andaman & Nicobar and Laksadweep Islands . Lakshadweep covers 32sq km .