<em><u>Pangaea began to break up about 200 million years ago as a result of the movement of the Earth's tectonic plates and mantle convection.
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Further Explanations:
Pangaea was a super continent said to have existed during the era of late Paleozoic and primary Mesozoic era. It was expected to have assembled from earlier continental units somewhat 335 million years ago, and it began to break out for almost 175 million years ago. Most of the scientists believed that the super continent Pangaea got divided for the same reason because of which continental plates are moving in the present days. The primary sources of this movement are the conventional current rolling over the upper zones of the mantle. Nearly 200 million centuries ago, Pangaea got parted into two new continents “Laurasia” and “Gondwanaland”.
Tectonic plates are the portions of the Earth's crust and topmost section of the mantle. They together are denoted to as lithosphere. These plates are about 100 km thick and comprise of two major materials, oceanic crust or sima made from silicon and magnesium while continental crust or sial made from silicon and aluminum.
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Answer Details:
Grade: High School
Chapter: Pangaea
Subject: Geography
Keywords:
Pangaea,super continent, Paleozoic , primary Mesozoic era, super continent Pangaea, conventional current, Laurasia ,Gondwanaland, Tectonic plates ,oceanic crust, sima
