Geology and Geography
Geology and Geography
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Zion National Park.

The Virgin River, laden with sediment due to a rapid spring melt, flows across much of its floodplain within the Zion Canyon. Uppermost rocks visible in this photo include the ancient sand dunes of the Navaho Sandstone. Can you see a fault?

The Virgin River, laden with sediment due to a rapid spring melt, flows across much of its floodplain within the Zion Canyon. Uppermost rocks visible in this photo include the ancient sand dunes of the Navaho Sandstone. Can you see a fault?

Updated: Wednesday, January 12, 2011

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