Checkerboard Mesa, Zion National Park (UT)

Just east of the Mt. Carmel Tunnel lies Checkerboard Mesa, a remarkable example of crossbedding in Navajo sandstone, a mesa which you can't help but notice along the highway. Over eons in what used to be a great desert, shifting sands deposited one layer after another, their orientations determined by winds, all eventually cemented over... Continue Reading →

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