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Glen Canyon - Colorado River terrace gravels

By Geology and Ecology of National Parks
This is a photo of Colorado River terrace gravels.
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Detailed Description

Colorado River terrace gravels crop out nearly 1,200 feet (360 m) above the Colorado River level (below the dam). These caliche-cemented gravels are probably Pliocene age, deposited before modern Glen Canyon formed (Doelling and Willis, 2006).

Sources/Usage

Public Domain.