How long did it take for the grand canyon to form?

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asked Dec 8, 2020 1.4k views

2 Answers

Lars Steen · Answer 1 · 2020-12-09T02:29:57+0000

Beginning about 17 million years ago, the mountain range that fed the ancient northeast river system was destroyed by faulting, as the Basin and Range was created southwest of Grand Canyon.

How long did it take for the grand canyon to form?

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