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Geography

What do you understand by mantle?

Earth's Structure

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Answer

It is the layer of silicate rock between the crust and the outer core. The depth of Mantle varies between 35 to 2900 km. It consists of dense and rigid rocks containing magnesium and iron. The Mantle is divided into two parts:

  1. the Upper Mantle or Asthenosphere
  2. the Lower Mantle or the Mesosphere

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