| Coso Formation | |
|---|---|
| Stratigraphic range: Neogene | |
| Type | Formation |
| Location | |
| Region | Inyo County, California |
| Country | United States |
The Coso Formation is a geologic formation in the Coso Range of the Mojave Desert, in Inyo County, California. [1]
It preserves fossils dating back to the Neogene period. It yields fossil remains of many species of mammals, including of Equus simplicidens , the Hagerman Horse.
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