Jefferson City Formation

Jefferson City Formation
Stratigraphic range: Early Ordovician
Type	Formation
Underlies	Cotter Dolomite
Overlies	Roubidoux Formation[1]
Lithology
Primary	Dolomite
Other	Chert, sandstone
Location
Region	Arkansas, Missouri
Country	United States
Type section
Named for	Jefferson City, Cole County, Missouri[2]
Named by	Arthur Winslow

The Jefferson City Formation or Jefferson City Dolomite is a geologic formation in the Ozarks of Missouri and Arkansas. The Jefferson City is in part not differentiated from the Cotter Formation of northern Arkansas.[3] It preserves fossils dating back to the Ordovician period.

See also

• List of fossiliferous stratigraphic units in Missouri
• Paleontology in Missouri

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 145
2. Winslow, A. (1894). "Lead and zinc deposits, section 1". Geological Survey of Missouri. 6: 331, 373, 375.
3. "Ordovician of the Ozark Plateau". Archived from the original on 2014-07-14. Retrieved 2014-07-11.

• Various Contributors to the Paleobiology Database. "Fossilworks: Gateway to the Paleobiology Database". Archived from the original on 25 March 2022. Retrieved 17 December 2021.

36°37′30″N 90°49′50″W