Over eighty two percent of the earth’s volume is
contained in the mantle.
The mantle is a highly viscous layer between the crust and the outer core.
It is a rocky shell which is 2900 kilometers thick
The boundary between the crust and mantle reflects a change in composition
The mantle behaves like a solid while transmitting
earthquake waves
Mantle rocks are able to flow at an incredible slow rates
The mantle is divided into the Lower Mantle or Mesosphere which extends from the core – mantle
boundary to a depth of 660 kilometers
The Upper Mantle continues to the base of the crust.
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