What was the name of the mega-ocean that surrounded the single continental mass before the continental drift as described by Alfred Wegener?

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SSC CHSL Previous Paper 103 (Held On: 19 Oct 2020 Shift 2)
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  1. Pigmalion
  2. Panama
  3. Panthalassa
  4. Pangaea

Answer (Detailed Solution Below)

Option 3 : Panthalassa
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SSC CHSL Exam 2023 Tier-I Official Paper (Held On: 02 Aug 2023 Shift 1)
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Detailed Solution

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The Correct Answer is Panthalassa.

 Key Points

  • According to Wegener, all the continents formed a single continental mass and mega ocean surrounded the same.
  • The supercontinent was named PANGAEA, which meant all earth.
  • The mega-ocean was called PANTHALASSA, meaning all water.

 Additional Information

  • Continental drift theory deals with the distribution of the oceans and the continents.
  • It was first suggested by a German meteorologist, Alfred Wegener in 1912.
  • Around 200 million years ago Pangaea started splitting and broke down into two large continental masses as Laurasia and Gondwanaland forming the northern and southern components respectively.
  • Subsequently, Laurasia and Gondwanaland continued to break into various smaller continents that exist today.
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