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Obduction vs Subduction - What's the difference?

obduction | subduction |

In geology terms the difference between obduction and subduction

is that obduction is the overthrusting of continental crust by oceanic crust or rocks from the mantle, such that the oceanic crust is thrust onto the continental crust, as occurs at a convergent plate boundary when the continental crust is caught in a subduction zone while subduction is : The process in which one tectonic plate moves beneath another and sinks into the mantle at a convergent plate boundary.

As nouns the difference between obduction and subduction

is that obduction is the act of drawing or laying over, as a covering while subduction is the action of being pushed or drawn beneath another object.

obduction

English

Noun

  • (obsolete) The act of drawing or laying over, as a covering.
  • An autopsy.
  • (geology) The overthrusting of continental crust by oceanic crust or rocks from the mantle, such that the oceanic crust is thrust onto the continental crust, as occurs at a convergent plate boundary when the continental crust is caught in a subduction zone.
  • * 2012 , Joseph A. DiPietro, Landscape Evolution in the United States (ISBN 0123978068), page 340:
    • Ongoing accretion at a subduction zone, and the obduction of intact ophiolite slabs, are not considered to be collision.

    References

    *

    subduction

    English

    (wikipedia subduction)

    Noun

    (en noun)
  • The action of being pushed or drawn beneath another object.
    • (geology) The process in which one tectonic plate moves beneath another and sinks into the mantle at a convergent plate boundary.
  • The act of subducting or taking away.
    • (Bishop Hall)
  • Arithmetical subtraction.

    • Derived terms

    * subduction zone

    See also

    * obduction