Navajo Sandstone Soft Sediment Deformation
38o 17.059' N
111o 09.854' W
This is another example of soft sediment deformation in the Navajo sandstone called a pop up/flower structure (Morris et al. 2003). This structure may have been caused by overpressurized pore pressures and strong ground motion (e.g., possible Jurassic seismic activity).
Figure 1: Large Navajo Sandstone soft sediment deformation feature (“pop up/flower structure”).
Figure 2: A closer view of the “pop-up/flower structure “ shows the deformation of the cross stratification this is continuous across the top of the fold.
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Disclaimer: The information is property of the University of Utah. Unless cited, images and files found on this site have been taken or created by the Geology and Geophysics Department at the University of Utah. Any use of these images should be cited appropriately. The stratigraphic column is from: Mathis, A. C. 2000. Capitol Reef National Park and Vicinity Geologic Road Logs, Utah, in: P.B. Anderson and D.A. Sprinkel (eds.) Geologic Road, Trail, and Lake Guides to Utah’s Parks and Monuments Utah Geological Association Publication 29. http://www.utahgeology.org/uga29Titles.htm
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