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How the Grand Canyon was formed.
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Then, the Colorado river poured into a basin which formed a giant lake.
A long long time ago...
There was a mountain range the size of the Himalayan mountains. That erodied away. This was where the Grand Canyon is now.
Then oceans came and dropped of different sediment which created different layers
The tectonic plates pushed the plain straight up to create a plateau.
The water and the rocks that the water carried carved the canyon 1 foot per 1000 years!
The lake then rose and spilled over the plateau. The water was so powerful that it carved the canyon.
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