Eastern Mojave Vegetation Moat around rock on Table Top.  
 

 

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  Moat around rock on Table Top.
Small moats in the soils around rocks as shown in this photograph are common on Table Top. How the moats form is uncertain. However, it has been found that coarse particles will emerge from desert soils after as few as 4 wetting and drying cycles (Cook and Warren, 1973, p. 128). Once a rock like this emerges at the surface, continued rain runoff from the surface of the rock may wash the very fine particles away from the rock and cause a localized deflation around its edges.

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Date and time this page was prepared: 8/11/2018 2:30:16 PM