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mid-ocean ridge |
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mid-ocean ridge: see plate tectonics plate 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. ..... Click the link for more information. . mid-ocean ridge [′mid¦ō·shən ′rij] (geology) How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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Some crop up along mid-ocean ridges, where Earth's tectonic plates spread apart. Similar systems may be much more common than scientists have suspected because they've typically confined their search for hydrothermal activity to mid-ocean ridges and the boundaries of tectonic plates. Most of the Earth's crust forms when partially molten rock oozes from the planet's interior, emerging at mid-ocean ridges where the sea floor Is spreading. |
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