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continental crust |
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continental crust n (Earth Sciences / Geological Science) Geology that part of the earth's crust that underlies the continents and continental shelves
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Volcanoes most often form on or near tectonic plate boundaries, regions where Earth's nine continental crusts converge (see map). This former seafloor, or oceanic crust, makes up the belt, and differs in composition and density from the surrounding two continental crusts. |
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