Chainman Formation
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| Chainman Formation | |
|---|---|
| Stratigraphic range: Carboniferous | |
| Type | Formation |
| Lithology | |
| Primary | shale |
| Location | |
| Region | Nevada |
| Country | United States |
The Chainman Formation is a geologic formation in Nevada. It preserves fossils dating back to the Carboniferous period.