Question

Metamorphic rocks are formed due to intens cold and low pressure​

Answer 1

• 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.

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Answer 2

Answer:

Low-grade metamorphism takes place at approximately 200–320 ºC and relatively low pressure. ... High-grade metamorphism takes place at temperatures above about 450 ºC. Micas tend to break down. New minerals such as hornblende will form, which is stable at higher temperatures.