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GeoSnaps - Image of the Day

Geologic snapshots capturing Arizona’s geologic setting and mining history with a picture of the day from 1 January through 31 December 2013.

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Thursday, January 3, 2013
Chapin Wash Formation

Folding of a layer of conglomerate and sandstone in the Miocene Chapin Wash Sandstone in the Rawhide Mountains, Mohave County, was likely due to slip while the sediments were still poorly consolidated and probably wet. This is called “soft-sediment deformation” and could have happened during an earthquake. (Photo by Jon Spencer, 2012.)

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