5.2 Igneous Rocks
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10 Terms
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igneous rock
rock type that forms when molten material solidifies
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magma
molten rock that is inside of the Earth
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plutonic
rock that formed deep within the Earth
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intrusive
below Earth's crust
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lava
molten rock that is outside of the Earth
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volcanic
rock that formed on the Earth's surface
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extrusive
above Earth's crust
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felsic
light colored rocks that have a high aluminum (Al) content and silicon (Si)
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mafic
dark colored rocks that have a high iron (Fe) or magnesium (Mg) content
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vesicular
texture that consists of gas pockets that give the appearance of having holes
Note 
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