Ste. Genevieve Limestone
The Ste. Genevieve Limestone is a geologic formation named for Ste. Genevieve, Missouri where it is exposed and was first described. It is a thick-bedded limestone that overlies the St. Louis Limestone. Both are Mississippian in age. The St. Louis Limestone is Meramecian and the Ste. Genevieve is the base of the Chesterian series.[1]
| Ste. Genevieve Limestone Stratigraphic range: Mississippian Sub-period | |
|---|---|
_3_(40390410601).jpg.webp) Ste. Genevieve Limestone, lining Sidesaddle Pit (Black Snake Avenue, Mammoth Cave, Kentucky) | |
| Type | Geological formation |
| Unit of | Blue River Group |
| Sub-units | Fredonia Member |
| Underlies | Aux Vases Sandstone and Paoli Limestone |
| Overlies | St. Louis Limestone[1] |
| Thickness | up to 85 feet (26 m)[2] |
| Lithology | |
| Primary | Limestone |
| Other | Sandstone, chert[2] |
| Location | |
| Region | Missouri, Kentucky, Illinois, Indiana |
| Country | United States |
| Type section | |
| Named for | Ste. Genevieve, Missouri[1] |
| Named by | Shumard |
| Year defined | 1859 |
It is a primary producer in the Illinois Basin and has produced commercial oil and gas in Warren County, Kentucky.
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. 249
- Howe, W. B. and J. W. Koenig, The Stratigraphic Section in Missouri, Missouri Geological Survey, 1961, p. 70
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