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]

Fossils

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]

See also

• List of fossiliferous stratigraphic units in California
• Paleontology in California
• List of fossiliferous stratigraphic units in Mexico

References

Further reading

• "General Plan Final Program EIR: 3.11 Paleontological Resources" (PDF). City of San Diego.

External links

• Various Contributors to the Paleobiology Database. "Fossilworks: Gateway to the Paleobiology Database". Retrieved 17 December 2021.