What is the solid portion of the Earth's surface called?

The solid portion of the Earth’s surface called Lithosphere. Let u know more about the lithosphere layer.


The outermost part of the Earth which consists of Upper Mantle and Crust of the Earth is known as Lithosphere.
Tectonic plates are a subdivision of Lithosphere. Lithosphere has rigid mechanical properties.


The earth’s crust is not a homogeneous substance, it has different layers of rocks including sedimentary rocks on top, granitic and metamorphic rocks in the middle and basaltic rocks on the bottom.


These are two types of lithosphere which are given below

  • Oceanic: It is associated with oceanic crust and exists in the ocean basins.
  • Continental: It is associated with continental crust.

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