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Subduction of nazca plate beneath TE south American plate since nazca plate is an oceanic plate, which means it is more dense than the south American plate, which is continental. Oceanic plates have 3.0g/cm^3 of density. Continental have 2.8g/cm^3 of density. Denser plate always sinks beneath less dense plates :)

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13y ago

The subduction of the Nazca plate beneath the South American plate.

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13y ago

subduction boundaries

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Q: Peru-Chile Trench and Andes Mountains
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Related questions

What boundary is Peru Chile Trench and Andes Mountains?

The Trench and Andes are on the boundaries of the Nazca and South American Plates. Both of those landforms are the result of a subducting Nazca Plate.


What boundary is Peru-Chile Trench and Andes Mountains?

The Trench and Andes are on the boundaries of the Nazca and South American Plates. Both of those landforms are the result of a subducting Nazca Plate.


What is the cause of the Peru Chile Trench and the Andes Mountains?

The subduction of the Nazca plate beneath the South American plate.


What is the prominent mountain range of south America?

The main mountain range is the Andes Mountains.


What type of mountains are the Andes range?

The Andes Mountains are Folded Mountains.


What are the 5 tallest volcanoes in the western hemisphere and what mountain range are they in?

The Andes Mountains The Andes Mountains The Andes Mountains


What chain of mountains lies between Chile and Argentina?

The Andes Mountains


Mountains to the west of south America?

The Andes Mountains


What mountains on the western edge of south America are the?

The Andes Mountains form the 'spine' of South America


What are human features from the Andes Mountains?

What are human features from the Andes Mountains?


How can you use the word Andes mountains in a sentence?

The headwaters of the great Amazon river are in the Andes mountains. The Inca people lived high in the Andes mountains. The American Rocky mountains are suppposedly part of the same chain as the Andes mountains.


Rocky Mountains is to US as Andes mountains is to?

Actually, you should reword your question to "The Rocky Mountains are to North America as the Andes Mountains are to?"The answer would be South America. Both the Rockies and the Andes are found in several countries.