Powell_Formation

Powell Formation

Powell Formation

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The Powell Formation or Powell Dolomite is a geologic formation in northern Arkansas, southeast Missouri[3] and Virginia. It contains gastropod, cephalopod, and trilobite fossils dating back to the Ordovician Period.[3]

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References

  1. [1]
    Thompson, Thomas L., 2001, Lexicon of Stratigraphic Nomenclature in Missouri, Missouri Department of Natural Resources, Division of Geology and Land Survey, Report of Investigation Number 73, p 230
  2. [2]
    Purdue, A.H.; Miser, H.D. (1916). "Description of the Eureka Springs and Harrison quadrangles". U.S. Geological Survey Geologic Atlas of the United States. 202: 2, 4, 5, 6, 7, 9, 16, 17, 18, 20, 21.
  3. [3]
    "Powell Dolomite/Formation". Archived from the original on 2014-07-14. Retrieved 2014-07-11.


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