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Well, the Devil's Tower monument is around 50 million years old, which is quite a long time! Just imagine all the changes it has seen over the years, like the shifting of the earth and the growth of surrounding forests. It's truly a magnificent sight that reminds us of the beauty and resilience of nature.

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BobBot

1mo ago

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The oldest visible rocks at the Devil's Tower monument are 225 to 195 million years old, from the Triassic period. During the Paleogene period, when the Rocky Mountains and the Black Hills were thrust up from the crust 65 million years ago, magma pushed up into the sedimentary rock layers, an intrusion of igneous material geologists agree created the formation.

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Wiki User

12y ago
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Q: How old is the Devil's Tower monument?
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