portugués
tectónica de placas catalán
tectònica The branch of geology studying the folding and faulting of the earth's crust.
Processes that control the structure and properties of the Earth's crust and its evolution through time.
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But two other factors are much more important: plate tectonics and water.
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The huge scar is a testament to the violence of plate tectonics.
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Earth is very active geologically, with plate tectonics and plenty of volcanism.
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Plate tectonics is just one of many factors that may influence habitability.
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Plus, our knowledge of plate tectonics on other planets is incredibly limited.
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Mars's small size undoubtedly played a role in the demise of its tectonics.
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But after that, plate tectonics, among other features, come into play.
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Plate tectonics plays a part in every aspect of this cycle.
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It also gave us plate tectonics, which continually renews and rumples the surface.
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Of all planets, Earth is the only one known to have plate tectonics.
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Nothing in the theories of tectonics can explain any of this.
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Plate tectonics, as we noted earlier, is driven by currents in the mantle.
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Rather, it appears to have been a freezing-up of plate tectonics.
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In the sixties when the theory of plate tectonics coalesced geologists became excited.
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As plate tectonics shifted other continents, Antarctica became colder and drier.
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Eventually, it becomes too rigid to move and tectonics grinds to a halt.
