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Subduction
This model explains subduction, a process where one tectonic plate sinks beneath another. It showcases its effects with the example of the Peru-Chile Trench and the Andes Cordillera in South America.
Open the resourceQuestions about this 3D model
What is subduction?
Subduction occurs when two tectonic plates converge and one sinks beneath the other into the mantle. This process helps explain deep ocean trenches at some plate boundaries.
How is subduction related to the Andes?
Along the west coast of South America, the Nazca Plate sinks beneath the South American Plate. This convergence contributes to the formation of the Andes and to the region’s earthquake and volcanic activity.