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14 Cards in this Set
- Front
- Back
Rock
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a naturally occurring solid mixture of one or more minerals, or organic matter
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Igneous
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rock formed when magma or lava cools
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Sedimentary
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rock formed when layers of sediment are compacted and cemented together
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Metamorphic
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rock created when any type of rock is heated under pressure to the point that physical and chemical changes occur
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Magma
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molten rock below Earth's surface
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Lava
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molten rock released from a volcano
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Detrital
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sedimentary rocks that are composed of particles of weathered and eroded igneous, metamorphic, or other sedimentary rocks
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Chemical
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sedimentary rock formed when minerals crystallize out of solution to become rock
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Organic
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sedimentary rock formed from the remains of plants and animals
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Intrusive
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igneous rock formed by the crystallization of magma at a depth within the Earth
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Extrusive
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igneous rock formed by the cooling of rock on the Earth's surface
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Foliated
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metamorphic rock containing aligned grains of flat minerals in visible layers
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Nonfoliated
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metamorphic rock with mineral grains are not arranged in plains or bands; no visible layers
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Rock Cycle
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the natural process in which rocks transform from one rock type into another rock type over time
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