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3 votes
Which plate tectonics setting is creating each of these: the Rocky Mountains, the Cascades and the Basin and Range?

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User Entonio
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1 Answer

5 votes
During the Cenozoic, the crust that had once been joined as Pangaea has mostly been moving apart. Subduction of the Farallon plate has resulted in the formation of the Rocky Mountains and the San Andreas Fault.
answered
User Jon Ursenbach
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9.0k points
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