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+ - Next supercontinent will form on North Pole->

Submitted by ananyo
ananyo (2519492) writes "In 50 million to 200 million years' time, all of Earth’s current continents will be pushed together into a single landmass around the North Pole. That is the conclusion of an effort to model the slow movements of the continents over the next tens of millions of years. (abstract http://www.nature.com/nature/journal/v482/n7384/full/nature10800.html)

A supercontinent last formed 300 million years ago, when all the land masses grouped together on the equator as Pangaea, centred about where West Africa is now. After looking at the geology of mountain ranges around the world, geologists had assumed that the next supercontinent would form either in the same place as Pangaea, closing the Atlantic Ocean like an accordion, or on the other side of the world, in the middle of the current Pacific Ocean.

But now researchers have analysed the magnetism of ancient rocks to work out their locations on the globe over time, and measured how the material under Earth's crust, the mantle, moves the continents that float on its surface. They found that instead of staying near the equator, the next supercontinent — dubbed Amasia — should form 90 degrees away from Pangaea, over the Arctic."

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Next supercontinent will form on North Pole

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