The process of transformation of the rock from one form to another is known as
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The process of transformation of existing rocks is known to be metamorphism
METAMORPHISM
The process of transformation of the rock from one form to another is known as metamorphism.
GETTING TO KNOW MORE ABOUT METAMORPHISM:
* Metamorphic rocks are formed when existing rock is transformed into new forms of rock through a process known as metamorphism. Temperatures of 150 to 200 °C (300 to 400 °F) and, in certain cases, pressures of 100 megapascals (1,000 bar) or more are applied to the original rock (protolith), generating significant physical and chemical changes.
* The rock stays mainly solid throughout this process, but progressively recrystallizes to a new texture or mineral composition.
* Metamorphic rocks make up a significant portion of the Earth's crust and account for 12% of the land surface. They can be generated simply by being buried far beneath the Earth's surface, where they are exposed to tremendous temperatures and the immense pressure exerted by the rock strata above.