| Monarch Mill Formation | |
|---|---|
| Stratigraphic range: Neogene | |
| Fossils from the Monarch Mill Formation | |
| Type | Formation |
| Location | |
| Region | Nevada |
| Country | United States |
The Monarch Mill Formation is a geologic formation in Nevada, United States. It preserves fossils dating back to the Neogene period. [1] [2]