Last updated: March 8, 2016

What Does Mantle Mean?

Mantle is a word that is associated with things that cover or conceal. In geology the word mantle is used to describe the layer of earth that lies between the earth’s outer crust and the outer part of the earth’s core. It makes up the largest portion of the total mass of the earth. About 84% of the earth’s total volume. It has an average thickness of 2,886 kilometres.

Safeopedia Explains Mantle

Mantle is made up of a solid, rocky, silicate material that is solid in its upper regions and is softer and more molten in its lower regions. Convection currents within the mantle are believed to be responsible for tectonic plate movement, and therefore earthquakes and volcanoes. This results in land being pushed upward along fault lines as temperature from the center of the earth rises.


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