| Otay Formation | |
|---|---|
| Stratigraphic range: Oligocene-Miocene | |
| Type | Formation |
| Overlies | Sweetwater Formation |
| Location | |
| Region | California Baja California |
| Country | United States, Mexico |
The Otay Formation is a geologic formation in San Diego County, California (United States) and northern Baja California state (Mexico). [1] [2] It is within the Peninsular Ranges province. [1]
It preserves fossils of the Oligocene to Miocene periods of the Cenozoic Era. [1] Fossils in the Sweetwater Formation that underlies the Otay Formation are of the Late Eocene period. [1]
