Download Chapter 2 Rocks

Chapter 2 Rocks Sway
When completing your geology sway for chapter 1, be sure to include the following information in
paragraph form. Also be sure to include at least one video and five pictures or diagrams.
Section 1
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What is a rock?
Explain the rock cycle including the types of rocks
Describe the process of erosion, weathering, deposition, compaction, cementation and uplift
and how this along with heat and pressure can change rock
Why does location play a role in how rocks will change?
What are the three main classes of rocks?
Section 2
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How are igneous rocks formed?
Explain the difference between felsic and mafic igneous rocks
Explain how rate of magma cooling determines the texture of igneous rocks
Explain the difference between intrusive and extrusive igneous rocks. Be sure to include texture
and crystal size as well as the formations they make ex- batholith, lava plateau
Section 3
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How are sedimentary rocks formed?
Where do sedimentary rocks form?
How is sedimentary rock classified with regard to how it is formed?
Differentiate between clastic, chemical, and organic
 Be sure to mention how they form and the texture they have
Describe how stratification can help geologists “see into the past”
Section 4
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How are metamorphic rocks formed?
What is the difference between contact and regional metamorphism?
How are index minerals used?
Describe differences between foliated and non-foliated rock?
Describe deformation- causes and what it might look like