The Arikaree Formation, also Arikaree Group or Arikaree Sandstone is a geological unit in the central High Plains of the western United States. It preserves fossils dating to the late Oligocene to early Miocene.[1]

See also

References

  1. ^ a b c d e "Geologic Unit: Arikaree". National Geologic Database. Geolex — Unit Summary. United States Geological Survey. Retrieved 2024-02-24.


Allikas: https://en.wikipedia.org/wiki/Arikaree_Formation
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