The transformation of rocks beneath the Earth's surface through heat and pressure, and the presence of dissolved minerals in hot groundwater.
The transformation of rocks beneath the Earth's surface through heat and pressure, and the presence of dissolved minerals in hot groundwater. Metamorphism rearranges and sometimes changes the composition of mineral grains, creating new kinds of rock such as marble and slate.
Metamorphism rearranges and sometimes changes the composition of mineral grains, creating new kinds of rock such as marble and slate.