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a naturally occuring solid mixture of one or more minerals or organic matter
rock
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the series of processes in which a rock forms, changes from one type to another, is destroyed, and forms again by geological processes
rock cycle
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the process by which wind, water, ice, or gravity transports soil and sediment from one location to another
erosion
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the process in which material is laid down
deposition
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the chemical makeup of a rock; describes either the minerals or other materials in the rock
composition
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the quality of a rock that is based on the sizes, shapes, and positions of the rock's grains
texture
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rock formed from the cooling and solidification of magma beneath the Earth's surface
intrusive igneous rock
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rock that forms as a result of volcanic activity at or near the Earth's surface
extrusive igneous rock
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the process in which sedimentary rocks are arranged in layers
stratification
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the texture of metamorphic rock in which the mineral grains are arranged in planes or bands
foliated
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the texture of metamorphic rock in which the mineral grains are not arranged in planes or bands
nonfoliated
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