Lava Flow Shapes the Grand Canyon | How the Earth Was Made (S2) | History

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July 23, 2025
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Lava Flow Shapes the Grand Canyon | How the Earth Was Made (S2) | History

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The landscape of Western Arizona has transformed from ancient mountains to prehistoric seas to a flat uplifted plane. Just 5.5 million years ago, the Grand Canyon was cut through this plateau. It happened so fast that geologists had to think again about the awesome power of the Colorado River. KARL KARLSTROM: It cuts through rock not by the water w... Read More

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