Chanac Formation
| Chanac Formation | |
|---|---|
| Stratigraphic range: Neogene | |
| Type | Geological formation | 
| Underlies | Etchegoin Formation, Kern River Beds Formation | 
| Overlies | Santa Margarita Formation | 
| Location | |
| Region | San Joaquin Valley, Kern County, California | 
| Country | United States | 
The Chanac Formation is a Cenozoic Era sandstone geologic formation in the southeastern San Joaquin Valley, within Kern County, California.