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Are the oldest rocks in the world exposed at Grand Canyon?

April 26, 2017grand canyon oldest rocks world

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Are the oldest rocks in the world exposed at Grand Canyon?

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No. Although the oldest rocks at Grand Canyon (2000 million years old) are fairly old by any standard, the oldest rocks in the world are closer to 4000 million years old. The oldest exposed rocks in North America, which are among the oldest rocks in the world, are in northern Canada.

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No. Although the oldest rocks at Grand Canyon (2000 million years old) are fairly old by any standard, the oldest rocks in the world are closer to 4000 million years old. The oldest exposed rocks in North America, which are among the oldest rocks in the world, are in northern Canada.