Metamorphic:
Metamorphic rock is formed from super heat and preassure. When it forms deep into the earth where high temperature, great pressure and chemical reactions cause one type of rock to change into anothyer type of rock. Also, heat and pressure can change many things. They can even change rocks, the name for rocks. The Metamorphic comes from Greek words meaning "change". Did you know Metamorphic rocks begin to form at 12-16 kilometers beneath the earth's surface, they begin changing at temperatures of 100 degrees Celsius to 800 degrees Celsius. Did you know,if you squeeze and heat a rock for a few million years it can turn into a new kind of rock. Also,where does the heat come from? The heat comes from magma. Where does the pressure come from? The pressure comes from layers of rock piled on top of layers and layers of rock. The layers on the bottom get squeezed.