Types of rocks

By Raquel Peralta

Sedimentary rocks

Sedimentary rocks are formed by sedimentary that is deposited over time usually as layers at the bottom of lakes and oceans.

Metamorphic rocks

Metamorphic rocks have been changed over time by extreme pressure and heat. Uplift and erosion help bring metamorphic rocks to the earths surface.

Igneous rock

Igneous rocks is formed when magma cools down, it may do this above or below , the earths surface of magma can be forced into rocks, blown out in volcanic explosions or forced to the surface of lava.