="http://www.w3.org/2000/svg" viewBox="0 0 512 512">

Chapter 7. Igneous Rocks

Chapter 7. Igneous Rocks

Learning Objectives

After carefully reading this chapter, completing the exercises within it, and answering the questions at the end, you should be able to:

  • Explain partial melting and the geological processes that lead to melting
  • Describe, in general terms, the range of chemical compositions of magmas
  • Discuss the processes that take place during the cooling and crystallization of magma, and the typical order of crystallization according to the Bowen reaction series
  • Explain how magma composition can be changed by fractional crystallization and partial melting of the surrounding rocks
  • Apply the criteria for igneous rock classification based on mineral proportions
  • Describe the origins of phaneritic, porphyritic, and pegmatitic textures
  • Identify plutons on the basis of their morphology and their relationships to the surrounding rocks
  • Explain the origin of a chilled margin

License

Icon for the Creative Commons Attribution 4.0 International License

Chapter 7. Igneous Rocks by Karla Panchuk is licensed under a Creative Commons Attribution 4.0 International License, except where otherwise noted.