'Huge staircase (Grand Staircase)' in the region called the Colorado Plateau (Colorado Plateau) turned up a little explanation of the sections ... ^ ^ Layers are shown in cross-section of about 2 billion years ago, 100 million years until the shallow waters where the order was made to a total thickness of sedimentary rocks is more than 3,000 m.
It is made of a thick sedimentary layers and the Colorado Plateau, which is bump, bump, on the river and washed out after the rain and snow This will create a huge staircase. Here's where the leftmost high deposits and the youngest of Bryce Canyon, Bryce Canyon, Zion Canyon, most of the downstairs, upstairs is being It can be seen that. Also, surprisingly, the lowest in Zion Canyon deposits, such as the top floor of the Grand Canyon is called. (Click on the picture to enlarge) This two billion years on this earth so all deposits are exposed in cross-section where you can observe here on Earth, said to be the only western United States.
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