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subduction    
n.
[地]潜没(指一个地壳板夫下降到另一个板块之下的过程)

[地]潜没(指一个地壳板夫下降到另一个板块之下的过程)



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  • Subduction - Wikipedia
    Subduction is a geological process in which the oceanic lithosphere and some continental lithosphere is recycled into the Earth's mantle at the convergent boundaries between tectonic plates Where one tectonic plate converges with a second plate, the heavier plate dives beneath the other and sinks into the mantle
  • Introduction to Subduction Zones: Amazing Events in . . .
    The Earth’s many tectonic plates can be thousands of miles across and underlie both continents and oceans These plates collide, slide past, and move apart from each other Where they collide and one plate is thrust beneath another (a subduction zone), the most powerful earthquakes, tsunamis, volcanic eruptions, and landslides occur
  • What Is The Process Of Subduction? - WorldAtlas
    In geological terms, subduction is the act of one tectonic plate moving under another tectonic plate at the point of their convergent boundary As the subducting plate moves under its neighboring tectonic plate, gravity pushes it further down and into the mantle layer of the earth
  • Subduction: The Sinking of Tectonic Plates - ThoughtCo
    Subduction, Latin for "carried under," is a term used for a specific type of plate interaction It happens when one lithospheric plate meets another—that is, in convergent zones —and the denser plate sinks down into the mantle Continents are made up of rocks that are too buoyant to be carried much farther than about 100 kilometers deep
  • Whats a Subduction Zone? Everyone in the Pacific NW Should . . .
    A subduction zone can shake things up — literally These geological features are responsible for some of the most intense earthquakes, volcanic eruptions and tsunamis
  • Subduction zone | Plate Tectonics, Oceanic Crust Volcanism . . .
    subduction zone, oceanic trench area marginal to a continent in which, according to the theory of plate tectonics, older and denser seafloor underthrusts the continental mass, dragging downward into the Earth’s upper mantle the accumulated trench sediments
  • What is a subduction zone? - Live Science
    A subduction zone is a collision between two of Earth's tectonic plates, where one plate sinks into the mantle underneath the other plate





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