Explain the continental drift theory given …

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Explain the continental drift theory given by alfred wegener

Posted by Twing Darin 3 years, 7 months ago

ICSE & ISC > Class 11 > Geography

1 answers

Yogita Ingle 3 years, 7 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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