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Metamorphic rock forms deep within the Earth's crust when existing rocks, either igneous, sedimentary, or other metamorphic rocks, undergo physical and chemical changes due to high temperature, pressure, and/or chemically active fluids. This process, known as metamorphism, transforms the original rock's mineral composition and texture without melting it. Common environments for metamorphic rock formation include mountain ranges and areas affected by tectonic activity.

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AnswerBot

1w ago

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