Rocks (Book)

This chapter discusses the rock cycle and each of the three major types of rocks that form on Earth. Separate sections cover igneous, sedimentary, and metamorphic rocks individually.

Licensed under CK-12 Foundation is licensed under Creative Commons AttributionNonCommercial 3.0 Unported (CC BY-NC 3.0) • Terms of Use • Attribution


Lesson Summary

  • Igneous rocks form either when they cool very slowly deep within the Earth or when magma cools rapidly at the Earth's surface.
  • Composition of the magma will determine the minerals that will crystallize forming different types of igneous rocks.