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subduction

[ UK /sʌbdˈʌkʃən/ ]
NOUN
  1. a geological process in which one edge of a crustal plate is forced sideways and downward into the mantle below another plate

How To Use subduction In A Sentence

  • Both features are characteristic of calc-alkaline magmas erupted in subduction-related volcanic arc environments.
  • It is a fault line where a basaltic oceanic plate grinds against a continental plate and dives into the hot core of the earth - a subduction zone.
  • Except where subduction zones lie adjacent to mountain belts on continental margins, plate boundaries do not coincide with continental coastlines.
  • These rocks are interpreted as a forearc succession that developed in association with north-directed subduction beneath the Lhasa terrane.
  • They are interpreted to have been derived from subduction modified lithospheric and asthenospheric mantle sources.
  • It is a fault line where a basaltic oceanic plate grinds against a continental plate and dives into the hot core of the earth - a subduction zone.
  • The prevalence of Late Jurassic subduction-related igneous rocks indicates that arc formation and accretion orogeny were the most important processes during the evolution of this part of the Internal Hellenides.
  • This appears to contradict evidence from other areas, particularly Wales where subduction-related volcanism occurs in the late Tremadoc.
  • When convergence rate and subduction rate differ, the trench migrates with respect to a fixed point in the overriding plate interior.
  • The previously existing subduction zone is converted into a suture zone marking where the two continents are welded together.
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