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Rocks and Minerals

Gabriel Lucas
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Across
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persevered traces of organic life from the geologic past
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igneous rock formed outside of the earth's crust
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small particles of stone
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a trait of a mineral that means it breaks apart on a smooth surface
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a type of rock formed by cooling magma or lava
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a simple substance that can be made by some substances
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igneous rock formed inside the earth's mantle
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a type of rock formed by compaction and cementation of sediment
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a rock formed by existing rock by heat and pressure
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bits of rock
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made liquid by great heat and pressure
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round rocks cemented together
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to form crystals by evaporating salt water
Down
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a chalky sedimentary rock
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a cycle which rock is recycled
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a natural, inorganic, solid with a definite chemical composition, and a crystal structure
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sedimentary rock made by the evaporation of salt water
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A type of igneous rock
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a common intrusive rock found at ocean floor
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the process that dissolved minerals crystallize
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a mineral that makes pencil lead
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ore found in sedimentary rock and volcanic rock
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the process of sediments compacting in great pressure
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a process that sediments are pressed tightly together
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the smallest partial the makes up all inorganic matter