Andean subduction system
E50874
The Andean subduction system is a major tectonic convergent margin along western South America where an oceanic plate descends beneath the continent, driving Andean mountain building, volcanism, and seismic activity.
Aliases (3)
Statements (50)
| Predicate | Object |
|---|---|
| instanceOf |
convergent plate margin
→
subduction zone → tectonic system → |
| activeDuring |
Cenozoic
→
|
| associatedWith |
Andean volcanic arc
→
Andes Mountains → Austral Volcanic Zone of the Andes → Central Volcanic Zone of the Andes → Northern Volcanic Zone of the Andes → Peru–Chile Trench → Peru–Chile megathrust → Southern Volcanic Zone of the Andes → copper ore deposits in the Andes → porphyry copper systems → skarn deposits → |
| boundedBy |
Nazca Plate to the west
→
South American continental interior to the east → |
| causes |
arc volcanism in the Andes
→
seismic activity in the Andes → |
| controls |
distribution of Andean volcanism
→
topography of the Andes → |
| drives |
Andean mountain building
→
Andean orogeny → |
| extendsFrom |
Venezuela
→
|
| extendsTo |
Tierra del Fuego
→
|
| hasFeature |
flat-slab segments
→
steep-slab segments → |
| hasOverridingPlate |
South American Plate
→
|
| hasProcess |
arc magmatism
→
back-arc extension in some segments → forearc deformation → mantle wedge hydration → oceanic lithosphere subduction → |
| hasSubductingPlate |
Antarctic Plate
→
Nazca Plate → |
| influences |
Andean back-arc deformation
→
Andean climate patterns → Andean foreland basins → Andean mineralization → |
| initiated |
Mesozoic
→
|
| locatedIn |
western margin of South America
→
|
| marginType |
oceanic–continental convergent margin
→
|
| produces |
crustal shortening in the Andes
→
crustal thickening beneath the Andes → megathrust earthquakes → tsunamigenic earthquakes → |
| studiedIn |
plate tectonics
→
seismology → structural geology → volcanology → |
Referenced by (4)
| Subject (surface form when different) | Predicate |
|---|---|
|
Andean orogeny
("Benioff zone beneath the Andes")
→
Peru–Chile Trench region ("Benioff seismic zone beneath South America") → |
associatedWith |
|
Andean subduction system
("Andean back-arc deformation")
→
|
influences |
|
Nazca Plate
→
|
partOfSystem |