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How Do Folded Mountains Type: Science For Kids

The crust is created up of heavy oceanic crust and lighter continental crust. These are broken up into pieces which move on the liquid mantle beneath. According to plate tectonics the Earth’s crust is created up of numerous pieces, called plates. They move quite gradually in diverse directions driven by the convection currents in the mantle below. The rocks in the cores of these mountain ranges, exposed by erosion, contain very metamorphosed rocks and substantial granite batholiths aligned with the trend of the mountain ranges. These rocks indicate deep burial of large sections of the earth’s crust at the time...