Smithville Formation

Last updated
Smithville Formation
Stratigraphic range: Ordovician
Type Formation
Sub-unitsBlack Rock Limestone Member
Underlies Everton Formation
Overlies Powell Formation
Lithology
Primary dolomite
Location
Region Arkansas
Country United States
Type section
Named for Smithville, Lawrence County, Arkansas [1]
Named by Edward Oscar Ulrich [2]

The Smithville Formation or Smithville Dolomite is a geologic formation in Arkansas. It preserves fossils dating back to the Ordovician period.

See also

References

  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 267
  2. ↑ McKnight, E. T. (1935). "Zinc and lead deposits of northern Arkansas" (PDF). U.S. Geological Survey Bulletin. 853: 311. Retrieved 3 June 2018.


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