| Salem Formation | |
|---|---|
| Stratigraphic range: Mississippian | |
| _(45624979264).jpg.webp) Fossil red algae on Salem Limestone from Kentucky | |
| Type | Formation | 
| Unit of | Sanders Group, Meramec Group | 
| Underlies | St. Louis Limestone | 
| Overlies | Harrodsburg Limestone[1] Warsaw Formation[2] | 
| Lithology | |
| Primary | Limestone | 
| Location | |
| Region | Illinois, Indiana, Kentucky, and Missouri | 
| Country | United States | 
| Type section | |
| Named for | Salem, Washington County, Indiana[2] | 
The Salem Formation is a geologic formation in Illinois, Indiana, Kentucky, and Missouri. It preserves fossils dating back to the Mississippian subperiod. This formation is quarried and used as a building material, known as "Indiana limestone", also called Bedford limestone.
See also
References
- Various Contributors to the Paleobiology Database. "Fossilworks: Gateway to the Paleobiology Database". Retrieved 17 December 2021.
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