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Igneous Rocks Based on reading pages 52-62
How are igneous rocks formed?
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What is the difference between volcanic/extrusive and intrusive/plutonic igneous rocks?
Which one is made of lava and which one is made of magma?
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Describe the process of crystallization.
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How does rate of cooling relate to crystal size? Which igneous rocks will have smaller
crystals: Intrusive or extrusive? Why?
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What determines the composition of an igneous rock? Be specific with relation to the
type of minerals.
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Igneous rocks are classified based on 2 main factors ___________ & ______________
Please explain each one.
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Explain the Bowens Reaction Series and rate of cooling.
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What are the 4 different igneous groups? Why are they grouped like this?
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What minerals make up Granite?
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What are some uses of granitic rocks?
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How is Rhyolite different than Granite, and how are they similar?
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Describe Basalt rock and what it is composed of?
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