Cotter Formation
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| Cotter Formation | |
|---|---|
| Stratigraphic range: Ordovician | |
| Type | Formation |
| Underlies | Powell Formation |
| Overlies | Jefferson City Formation |
| Lithology | |
| Primary | Dolomite |
| Other | Chert, sandstone, shale |
| Location | |
| Region | Arkansas, Missouri, Oklahoma, Virginia |
| Country | United States |
| Type section | |
| Named for | Cotter, Baxter County, Arkansas |
| Named by | Edward 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
[edit | edit source]- List of fossiliferous stratigraphic units in Arkansas
- List of fossiliferous stratigraphic units in Virginia
- Paleontology in Arkansas
- Paleontology in Virginia
References
[edit | edit source]- ^ Lua error in Module:Citation/CS1/Configuration at line 2172: attempt to index field '?' (a nil value).
- ^ Lua error in Module:Citation/CS1/Configuration at line 2172: attempt to index field '?' (a nil value).
- ^ 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
- ^ Lua error in Module:Citation/CS1/Configuration at line 2172: attempt to index field '?' (a nil value).
- Lua error in Module:Citation/CS1/Configuration at line 2172: attempt to index field '?' (a nil value).
 | This article about a specific stratigraphic formation in the United States is a stub. You can help Wikipedia by expanding it. |
Categories:
- Ordovician United States
- Dolomite formations of the United States
- Ordovician Arkansas
- Ordovician Missouri
- Ordovician geology of Virginia
- Ordovician geology of New York (state)
- Ordovician geology of Oklahoma
- Ordovician Tennessee
- Ordovician System of North America
- Ordovician southern paleotropical deposits
- Chert formations
- Sandstone formations of the United States
- Shale formations of the United States
- Geologic formations of Arkansas
- Geologic formations of Missouri
- Geologic formations of Oklahoma
- Geologic formations of Virginia
- United States geologic formation stubs