Dakota Sandstone

Dakota Sandstone
Dakota Sandstone
Stratigraphic range: Early Cretaceous
Type Geological formation
Location
Region North America
Dakota Sandstone.jpg

The Dakota Sandstone (also Cockrum Sandstone and Dakota Formation, more formally the Dakota Group) is a general term for an ill-defined early Cretaceous formation of the Rocky Mountains and Great Plains. It consists of sandy, shallow-marine deposits with intermittent mud flat sediments, and occasional stream deposits.[1][2] It is an important aquifer in some areas of the Great Plains.[2][3] It is frequently a porous sandstone and can reach thicknesses of more than 30 meters.

Notes

  1. ^ "Geology of the Quarry: Dakota Sandstone" Dinosaur National Monument, National Park Service
  2. ^ a b McLaughlin, Thad G. (1942) "Water-bearing Formations, continued: Cretaceous System: Dakota Group" Geology and Ground-Water Resources of Morton County, Kansas
  3. ^ Wang, Herb (2003) "Saga of the Dakota Sandstone"

References

External links


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