metamorphic
Schist is a metamorphic rock. This type of rock has been changed because of great heat or pressure, or both
Metamorphic, changed by pressure and heat
The rock that has been changed by extreme pressure or heat is called metamorphic rock. It can form from igneous, sedimentary, or existing metamorphic rocks that undergo changes in temperature and pressure deep within the Earth's crust. Examples of metamorphic rocks include marble, slate, and gneiss.
metamorphic rocks
metamorphic rocks
Metamorphic rocks have been changed by heat or pressure. This can be a change in size, shape, or arrangement of minerals.
Metamorphic rock is rock that has changed as a result of constant heat, pressure, or both. One good example is granite.
Precambrian rocks have been so deeply buried that they have changed by heat and pressure. That's a summary about the Precambrian time.
Metamorphic Rock
Heat and Pressure.
metamorphic rock
A metamorphic rock.