Cotter Formation

From Handwiki
Short description: Geologic formation in the United States
Cotter Formation
Stratigraphic range: Ordovician
TypeFormation
UnderliesPowell Formation
OverliesJefferson City Formation
Lithology
PrimaryDolomite
OtherChert, sandstone, shale
Location
RegionArkansas, Missouri, Oklahoma, Virginia
CountryUnited States
Type section
Named forCotter, Baxter County, Arkansas
Named byEdward Oscar Ulrich[1]

The Cotter Formation is a geologic formation in Arkansas,[2] Missouri,[3] Oklahoma[4] and in Virginia. It preserves fossils dating back to the Ordovician period.

See also

  • List of fossiliferous stratigraphic units in Arkansas
  • List of fossiliferous stratigraphic units in Virginia
  • Paleontology in Arkansas
  • Paleontology in Virginia

References

  1. ↑ Purdue, A.H.; Miser, Hugh D. (1916). "Description of the Eureka Springs and Harrison quadrangles". U.S. Geological Survey Geologic Atlas of the United States 202: 4. https://pubs.usgs.gov/gf/202/text.pdf. 
  2. ↑ "Cotter Dolomite". http://www.geology.ar.gov/geology/ozark_ordovician.htm. 
  3. ↑ 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 72-3
  4. ↑ McFarland, John David (2004). "Stratigraphic summary of Arkansas". Arkansas Geological Commission Information Circular 36: 3–4. http://geology.ar.gov/pdf/IC-36_v.pdf. Retrieved 2018-01-10. 
  • ((Various Contributors to the Paleobiology Database)). "Fossilworks: Gateway to the Paleobiology Database". http://www.fossilworks.org/cgi-bin/bridge.pl?action=home. 




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Categories: [Dolomite formations]

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