Osgood Formation
The Osgood Formation, also known as the Osgood Shale is a geologic formation in Indiana, Kentucky, and Ohio. It preserves fossils dating back to the Silurian period.
| Osgood Formation | |
|---|---|
| Stratigraphic range: Sheinwoodian | |
| Type | Formation |
| Underlies | Laurel Limestone |
| Overlies | Brassfield Formation and Dayton Formation |
| Location | |
| Country | United States |
| Extent | Indiana, Kentucky, Mississippi, and Ohio |
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