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How are metamorphic rocks formed?​

Answer»

metamorphic rocks are formed from other rocks that are changed because of heat or PRESSURE. They are not made from molten ROCK – rocks that do melt form igneous rocks instead.Earth MOVEMENTS can cause rocks to be deeply buried or squeezed. As a result, the rocks are heated and PUT under GREAT pressure. They do not melt, but the minerals they contain are changed chemically, forming metamorphic rocks.



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