MSGID: 1:317/3 63c833db   
   PID: hpt/lnx 1.9.0-cur 2019-01-08   
   TID: hpt/lnx 1.9.0-cur 2019-01-08   
    EPOD - a service of USRA   
      
   The Earth Science Picture of the Day (EPOD) highlights the diverse processes   
   and phenomena which shape our planet and our lives. EPOD will collect and   
   archive photos, imagery, graphics, and artwork with short explanatory   
   captions and links exemplifying features within the Earth system. The   
   community is invited to contribute digital imagery, short captions and   
   relevant links.   
      
      
    Mushroom Rock State Park   
      
      January 18, 2023   
      
      
       JamesVanG_mushroom rock_1b   
      
      Photographer:  James J. Van Gundy   
      
      Summary Author:  James J. Van Gundy   
      The photo above shows one of the several unusual rock formations in   
       Mushroom Rock State Park near Brookville, Kansas. The “mushrooms,”   
      which are also termed  hoodoos, and their related features are the   
      result of differential weathering and erosion of  mid-to-late   
      Cretaceous-age  Dakota sandstone, widespread in the western United   
      States. Often associated with Dakota Sandstone are  artesian   
      aquifers, oil and gas-producing horizons, and important occurrences of   
       dinosaur footprints and  Mesozoic plant fossils. This sandstone   
      is also responsible for the Dakota  hogback ridges seen along the   
      eastern margins of the Rocky Mountains in Colorado and Wyoming. Photo   
      taken on September 10, 2014.   
      
      Mushroom Rock State Park, Kansas Coordinates: 38.724593, -98.030644   
      
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       More...   
      
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        *  This Dynamic Earth   
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        *  MyShake - University of California, Berkeley   
        *  USGS Ask a Geologist   
        *  USGS/NPS Geologic Glossary   
        *  USGS Volcano Hazards Program   
      
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      Earth Science Picture of the Day is a service of the  Universities   
      Space Research Association.   
      
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