The solid crust of the Earth makes up the Lithosphere - the very ground we all walk on every day, helping to hold together the beautiful surroundings we have been blessed with. The Lithosphere has two key layers - the Crust and Upper Mantle. The Crust is Predominantly firm however the mantle behaves elastically on time scales of thousand of years or greater. The main processes occurring within the lithosphere are:

Tectonics - Erosion - Weathering - Sedimentation


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