Rocks
Formed from sediments hardening.
What is sedimentary rock
formed when magma hardens above ground.
What is extrusive igneous rock?
This type of crust is thinner but more dense.
What is oceanic crust?
Formed when magma hardens below the surface.
What is intrusive igneous rock?
Formed when sedimentary rock receives heat and pressure.
What is metamorphic rock?