Retrieving "Suture Zone" from the archives

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1. Continental Collision

   Linked via "suture zone"

   When a passive continental margin encounters an active subduction zone, the oceanic lithosphere previously separating the continents is entirely consumed. As the two continental bodies meet, convergence does not cease but is accommodated through complex mechanical responses. The primary mechanism is crustal stacking, where slices of crust are thrust over one another along numerous low-angle faults, known as decollements or thrust faults.
   The degr…

2. South American Plate

   Linked via "suture zones"

   Intraplate Seismicity and Features
   While the edges define plate interaction, the interior of the South American Plate is not entirely tectonically quiescent. Intraplate seismicity, though significantly lower in magnitude than that along the Andes, is noted, primarily concentrated along ancient suture zones inherited from Gondwana breakup.
   The Paraná Basin Anomaly