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What is a mantle portion

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What is a mantle portion
  • 1 answers

Yogita Ingle 4 years, 7 months ago

  • The portion of the interior beyond the crust is called the mantle.
  • It is in a solid state.
  • It has a density higher than the crust portion.
  • The thickness ranges from 10-200 km.
  • The mantle extends from Moho’s discontinuity to a depth of 2,900 km.
  • The asthenosphere is the upper portion of Mantle.
  • It is the chief source of magma that finds its way to the surface during volcanic eruptions.
  • The crust and the uppermost part of the mantle are called lithosphere.
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