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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 possible because the cold and rigid oceanic lithosphere is slightly denser than the underlying asthenosphere, the hot, ductile layer in the upper mantle Once initiated, stable subduction is driven mostly by the negative buoyancy of the dense subducting lithosphere
  • SUBDUCTION Definition Meaning - Merriam-Webster
    The meaning of SUBDUCTION is the action or process in plate tectonics of the edge of one crustal plate descending below the edge of another
  • 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 zone | Plate Tectonics, Oceanic Crust Volcanism - Britannica
    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
  • Introduction to Subduction Zones: Amazing Events in Subduction Zones
    Where they collide and one plate is thrust beneath another (a subduction zone), the most powerful earthquakes, tsunamis, volcanic eruptions, and landslides occur
  • Subduction Zone: Definition, Features, Types - Geology In
    A subduction zone is a region of the Earth's crust where two tectonic plates meet, and one plate is forced beneath the other into the mantle This process, called subduction, occurs at convergent boundaries and is a primary mechanism driving plate tectonics, leading to volcanic activity, earthquakes, and mountain formation
  • Subduction Zone Science | U. S. Geological Survey - USGS. gov
    The most powerful earthquakes, tsunamis, volcanic eruptions, and landslides occur in subduction zones where tectonic plates collide and one plate is thrust beneath another
  • Subduction Zone Science: Definition, Example, And A Simple Explanation
    When an oceanic plate collides with a continental plate, the oceanic plate (being heavier) bends and slides beneath the continental plate When this plate is forced to bend downwards, the process is called subduction
  • Subduction | geology | Britannica
    The Mariana Trench was formed through subduction, a process in which one tectonic plate is forced below another The Mariana Trench is a prime example of a subduction zone, where the Pacific Plate is being subducted beneath the smaller Mariana Plate
  • 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





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