mid-ocean ridge(redirected from Mid-oceanic ridges)
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Related to Mid-oceanic ridges: subduction
mid-ocean ridge:see plate tectonicsplate tectonics,
theory that unifies many of the features and characteristics of continental drift and seafloor spreading into a coherent model and has revolutionized geologists' understanding of continents, ocean basins, mountains, and earth history.
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mid-ocean ridge[′mid¦ō·shən ′rij]