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Through the technique of mountain building common thickening of the crust as its compressed causes the rocks to experience above sea
degree, and we discover that the thinner shallow water deposits that represented the continental shelves are shoved inward toward the continental interior, typically producing large thrust faults hundreds of miles lengthy.
With the development of the speculation of plate tectonics, geologists lastly had a proof for what causes mountains to grow.
At about 2 billion years in the past the general tectonic sample
appears to have changed, the place there was the next group of larger plates and
continental margins, which began to move into extra of a rigid plate tectonic area, and that change might have been associated to
the development of a thick lithosphere. Many problems may be prevented by pruning
appropriately throughout the formative years for a tree or shrub.
Early in Earth history, there could have been a much thinner lithosphere, which promoted a way more
random and faster shorter cycle pattern of convection to present us these ancient protocontinents,
which we call the greenstone belts. Continental crust,
however, consists principally of granitic rocks and not greenstone
lavas, so a mechanism should have existed for remodeling the composition of the crust.