Types of Rocks

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Igneous Rocks

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Formed from cooled magma or lava

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Sedimentary Rocks

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Formed from compressed sediments

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Metamorphic Rocks

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Formed under heat and pressure

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Intrusive Igneous Rocks

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Cooled slowly beneath Earth's surface

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Extrusive Igneous Rocks

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Cooled quickly on Earth's surface

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Clastic Sedimentary Rocks

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Made from fragments of other rocks

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Chemical Sedimentary Rocks

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Formed from mineral precipitation

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Organic Sedimentary Rocks

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Composed of organic material

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Foliated Metamorphic Rocks

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Have layered or banded appearance

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Non-foliated Metamorphic Rocks

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Lack distinct layers or bands