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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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The other components contain "materials" such as basaltic ocean floor (HIMU), pelagic sediments (EM1), oceanic plateaus (EM1), subcontinental lithosphere (EM1, EM2), terrigenous sediments or subducted continental crust (EM2), which have been recycled by subduction processes, and mixed back into the depleted mantle. In this case, the oceanic crust of the Pacific Plate grinds northward past the continental crust that makes up North America. Drilling equipment finds independent ecosystems lurking 10,000 feet below the continental crust. |
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