Question

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☆How are metamorphic rocks formed????​

Answer 1

Answer:

Metamorphic rocks started out as some other type of rock, but have been substantially changed from their original igneous, sedimentary, or earlier metamorphic form. Metamorphic rocks form when rocks are subjected to high heat, high pressure, hot mineral-rich fluids or, more commonly, some combination of these factors.

Answer 2

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• How are metamorphic rocks formed ?

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• 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.

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• They may be formed simply by being deep beneath the Earth's surface, subjected to high temperatures and the great pressure of the rock layers above it.

• Some examples of metamorphic rocks are gneiss, slate, marble, schist, and quartzite.