Deep within the earth, the process of mantle drives plate tectonics.

convection

Mantle convection is the process by which heat from earth’s interior is transported to its surface thereby resulting to the escape of the heat through mid-ocean ridges. Thus, mantle convection motions break the lithosphere into plates and move them around the surface of the planet.

Convection

Explanation:

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Mantle convection is driven by three main processes: heat loss from the core, internal heating from radioactive decay and cooling from above (sinking of lithospheric slabs). Mantle convection is responsible for the movements of lithospheric plates, earthquakes, magmatism, surface volcanic activity, and, indeed, most of the geological and tectonic processes manifested in the crust due to the action of the transferred heat.

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