metamorphic rock
Sedimentary rocks when altered by heat and pressure because metamorphic rock. But please read the rock cycle you will see the different stages because Igneous can also become Metamorphic with intense pressure and heat.
A rock that is changed by heat and pressure becomes a metamorphic rock. This process usually occurs deep within the Earth's crust where temperature and pressure are high enough to alter the mineral composition and structure of the rock. Examples of metamorphic rocks include marble, slate, and gneiss.
Metamorphic, changed by pressure and heat
metamorphic rock
A metamorphic rock.
Heat and Pressure.
Rock can be changed into metamorphic rock by heat and pressure.
A metamorphic rock.
An igneous rock can change into a metamorphic rock with heat or pressure.
A "metamorphic" rock has done this.
Metamorphic Rock
metamorphic