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Explain the continental drift theory given …

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Explain the continental drift theory given by alfred wegener
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Yogita Ingle 4 years, 2 months ago

  • Continental drift theory was proposed by Alfred Wegener in 1912.
  • It was first put forward by Abraham Ortelius in 1596 before fully being developed by Alfred Wegener.
  • The theory deals with the distribution of the oceans and the continents.
  • According to Wegener’s Continental Drift theory, all the continents were one single continental mass (called a Super Continent) – Pangaea and a Mega Ocean surrounded this supercontinent. The mega ocean is known by the name Panthalassa.
  • Although Wegener’s initial theory did not cover mantle convection until Arthur Holmes later proposed the theory.
  • The supercontinent was named Pangaea (Pangea) and the Mega-ocean was called Panthalassa.
  • According to this theory, the supercontinent, Pangaea, began to split some two hundred million years back.
  • Pangaea first split into 2 big continental masses known as Gondwanaland and Laurasia forming the southern and northern modules respectively.
  • Later, Gondwanaland and Laurasia continued to break into several smaller continents that exist today.
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