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Geology

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Across
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Molten mixture of rock forming substances, gases, and water from mantle
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Weak spot in the crust where magma comes to surface
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Chemical and physical processes that break down rock
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Plate boundary where two plates move away from each other
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Rock type that forms when particles from other rocks form a rock
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Water, ice, wind, or gravity moving weathered rock or soil
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Process by which atoms are arranged to form material with crystal structure
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Naturally occurring crystalline solid with a definite chemical composition
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Type of rock formed from cooling of molten rock
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Units of geologic time into which geologists divide eras
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Shaking that results from the movement of rocks beneath surface.
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One of three long units of geologic time between Precambrian and present
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Process by which sediments are pressed together under their own weight
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Igneous rock that forms from lava on Earth's surface
Down
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Break or crack in Earth's lithosphere
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Original isotope that decays away into a different type of atom
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Fossil that is widely distributed and lived for short time
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Process by which dissolved minerals crystallize and 'glue' into a rock
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Liquid magma that reaches surface
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Plates move opposite directions
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Type of igneous rock that forms when magma cools beneath Earths surface
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Type of rock that forms from existing rock changed by heat and pressure
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Plate boundary where two plates move towards each other