The lithosphere: Information about the Earth’s outer surface

The lithosphere is the outermost layer of the Earth, formed by the neck and the vibrating part of the upper mantle. The word lithosphere is derived from the Greek words “lithos,” meaning rock, and “sphaira,” meaning earth or sphere.

Nestled between the upper atmosphere and the lower asthenosphere, the lithosphere can reach depths of up to 190 miles (300 kilometers), according to the Geological Society.

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