Igneous rock that forms from lava on Earth's surface allowing for crystals to grow
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Breccia
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coarse sedimentary rock consisting of angular fragments; or rock broken into angular fragments by faulting
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Conglomerate
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a coarse-grained sedimentary rock composed of rounded fragments (> 2 mm) within a matrix of finer grained material.
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intrusive
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a type of ingneous rock that generally contains large crystals and forms when magma cools slowly beneath Earth's surface.
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igneous rock
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rock that forms when magma cools and solidifies
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rock cycle
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the series of processes that change one type of rock into another type of rock
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Sedimentary
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A type of rock that forms when particles from other rocks or the remains of plants and animals are pressed and cemented together
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Clastic
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A sedimentary rock composed of weathered fragments of older rock.
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metamorphic rock
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A type of rock that forms from an existing rock that is changed by heat, pressure, or chemical reactions. Can cause pockets of precious minerals to form.
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Foliated
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Term used to describe metamorphic rocks that have grains arranged in parallel layers or bands.
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Nonfoliated
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the metamorphic rock texture in which mineral grains are not arranged in planes or bands block shaped crystals.
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Lithosphere
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A rigid layer made up of the uppermost part of the mantle and the crust.