After reading, studying, and discussing Chapter 3, you should be able to:

• Describe magma and the process of crystallization.
• List and describe the textures of igneous rocks.
• Discuss igneous rock compositions and how igneous rocks are named.
• Describe the differences between felsic (granitic), intermediate (andesitic), and mafic (basaltic) igneous rocks.
• Describe the origin and evolution of magma.
• Discuss the significance of Bowen's reaction series.
• Explain the relationship between mineral resources and igneous processes.

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