Earth, Molnar 2015 Andes
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Where are the Central Andes located and what major feature do they contain?
The Central Andes are in Peru, Bolivia, Chile, and Argentina, and contain the Altiplano, the highest plateau outside eastern Asia.
What causes volcanism and mountain building in the Central Andes?
The oceanic Nazca Plate subducts beneath the west coast of South America, causing volcanism, compression, and crustal thickening.
What major landforms are found in the Andes and how do they form?
A fold and thrust belt forms on the eastern side, while resistant rock layers create a ridge and valley landscape through differential erosion.
What happens at oceanic-oceanic subduction zones?
No major mountain ranges form because the overriding plate simply overlaps the underthrusting plate.