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14 Cards in this Set
- Front
- Back
rock
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A solid mixture of crystals of one or more minerals or other materials
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composition
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The makeup of a rock; describes either the minerals or elements present in it
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texture
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The sizes, shapes and positions of the grains that a rock is made of
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Rock cycle
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The process by which one rock type changes into another rock type
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Sedimentary rock
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Rock that forms when sediments are compacted and cemented together
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strata
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Layers of sedimentary rock that form from the deposition of sediment
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stratification
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The layering of sedimentary rock
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Metamorphic rock
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Rock that forms when the texture and composition of preexisting rock changes due to heat or pressure
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foliated
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The texture of metamorphic rock in which the mineral grains are aligned like the pages of a book
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nonfoliated
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The texture of metamorphic rock in which mineral grains show no alignment
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magma
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The hot liquid that forms when rock partially or completely melts; may include mineral crystals
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Igneous rock
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Rock that forms from the cooling of magma
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Intrusive
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The type of igneous rock that forms when magma cools and solidifies beneath Earth’s surface
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Extrusive
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The type of igneous rock that forms when lava or pyroclastic material cools and solidifies on the Earth’s surface
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