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Geologic formation in Indiana, Kentucky and Ohio From Wikipedia, the free encyclopedia
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[1] | |
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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