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The Andes mountain range began forming during the late Paleozoic era, around 300 million years ago, but the majority of its significant uplift occurred during the Andean orogeny, which started in the late Mesozoic era and continued into the Cenozoic era. The collision of the Nazca Plate with the South American Plate was a key factor in this process, leading to the dramatic geological activity that shaped the Andes as we know them today. This ongoing tectonic activity continues to influence the region's geology.

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1d ago

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The Andes form a?

the Andes form a cordillera


What mountains form the western coast of South America?

The Andes.


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The Andes Mountains form the 'spine' of South America


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The Andes Mountains are locaed in South America. The Andes formed during the Cretaceous period (about 138 million to about 65 million years ago) when the Pacific crustal plate began to slowly slide beneath the South American plate, uplifting and folding the sedimentary rocks that comprise the Andes (see Plate Tectonics).


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The Andes form the eastern border of the Atacama Desert.


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Andes mean a form of 3 pieces which italion for slow for a pionist.


Do chinchillas live in the Andes mountain range?

No chinchillas come form the andes mountains O_o


What stone are the Andes mountain made of?

The Andes are made form a variety of sedimentary, igneous and metamorphic rock types.


What plate collide to form the Andes mountains?

The Andes are a result of the collision of the Nazca Plate and the South American Plate.


What plates are responsible for creating the Andes?

The Nazca and the S.American plate form a destructive plate boundary, forming the Andes.


Where did the Andes mountain range form?

200-500


Which mountain form the western coast of south America?

According to a map of South America, the Andes Mountains form the western coast of South America.The Iemden.