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24 Cards in this Set
- Front
- Back
rock
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a naturally occuring solid mixture of one or more minerals and organic matter
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mineral
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a naurally formed solid matter that has a crystalline structure
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composition
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the chemical makeup of a rock
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texture
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texture of a rock depends on hte size,shapes, and positions of the minerals in a rock
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rock cycle
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the continuous ptrocess by which new rock forms from old rock material
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weathering
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when water, ice, wind, heat, or living organisms break down rocks
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erosion
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fragments of rock that are removed from their source
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deposition
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the process by which water, ice, wind, and gravity drop newly formed sediments
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magma
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hot, liquid rock
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grains
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fragments of rocks or minerals
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fine-grained
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made of small crystals or grains
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Course-grained
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made of crystals or grains that can be seen with the eye
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medium-grained
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between fine and course
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volcanic glass
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when magma cools so quickly that it forms rocks that have no crystals
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foliated
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banded texture
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nonfoliated
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rock that contains one mineral
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clastic sedimentary
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made of grains of rock or minerals form when sediments are buried, squeeze together, and cemented
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chemical sedimentary
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form when minerals crystallize out of a solution
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organic sedimentary
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form when shells and skeletons of dead marine organisms are buried and cemented
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sediment
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grains of rocks or minerals
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deposited
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(sediments)are laid down
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slate
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a low grade metamorphic rock because it changes slightly
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gneiss
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a high grade metamorphic rock
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uplift
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the process by which regions of earth rise to higher elevation.
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