How are plateaus formed? Also briefly discuss the features of the Deccan Plateau and its economic significance.

Plateau is a flat elevated landform which is higher than plains but not as high as mountains.

Formation of Plateau:

  • Volcanism produces lava plateau. Ex. Deccan Plateau formation.
  • Crustal shortening – thrusting of one rock on other and folding of rocks. Ex. Tibetan plateau.
  • Expansion of hot material below surface leading to uplift of above surface. Ex. Abyssinian plateau.
  • Plateau due to erosion of old mountains and other hilly areas.

Features of Deccan Plateau:

  • Formed of basic Lava.
  • Expands through Indian peninsula and covers vast amount of Indian Territory.
  • Divided into various parts based on regional features.
  • Black soil present.

Economic significance:

  • Huge mineral resources present in plateau region. Ex. Chhota Nagpur Plateau – coal, iron, etc.
  • Black soil has water retention capacity and hence cotton is grown extensively in this region.
  • Coarse grain also grown in this region.
  • Presence of various industries in the area.
  • Rivers form fertile deltas and hence extensive agriculture taken up.
  • Groundwater trapped in underlying rocks.
  • Rock-cut architecture and tourist places, which attract people across world.

Deccan Plateau is one of the key areas of habitation and contributes to India’s economy.

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