Roubidoux Formation
The Roubidoux Formation is a geologic formation in the Ozarks of Missouri and in Virginia. It preserves fossils dating back to the Ordovician period.
| Roubidoux Formation | |
|---|---|
| Stratigraphic range: Ordovician | |
|  Outcrop of Roubidoux sandstone in the Missouri Ozarks | |
| Type | Formation | 
| Underlies | Jefferson City Formation in the Missouri Ozarks | 
| Overlies | Gasconade Formation[1] | 
| Thickness | 100 to 300 feet[2] | 
| Lithology | |
| Primary | Sandstone | 
| Other | dolomite, chert | 
| Location | |
| Coordinates | 36.90°N 92.57°W | 
| Region | Missouri, Virginia | 
| Country | United States | 
| Type section | |
| Named for | Roubidoux Creek, Texas and Pulaski counties, Missouri[2] | 
Paleofauna
    
    
See also
    
    
References
    
- 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 244-245
- Thompson, Thomas L., Paleozoic Succession in Missouri: Part 2 Ordocician System, Report of Investigation No. 70, 1991, Missouri Department og Natural Resources, Rolla, MO, pp. 30-37
- Stinchcomb, Bruce; Angeli, Nicholas (2002). "New Cambrian and Lower Ordovician monoplacophorans form the Ozark Uplift, Missouri". Journal of Paleontology. 76 (6): 965–974.
- Various Contributors to the Paleobiology Database. "Fossilworks: Gateway to the Paleobiology Database". Retrieved 17 December 2021. {{cite web}}:|author=has generic name (help)
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