Otay Formation

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

• Geology portal
• California portal
• Mexico portal
• Paleontology portal

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

References

1. AAPG Datapages/Archives: Age and Stratigraphy of the Sweetwater and Otay Formations, San Diego County, California
2. Geiconsultants.com: Geologic Formations of Western San Diego County^{[permanent dead link]}; pg 5.

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". Archived from the original on 25 March 2022. Retrieved 17 December 2021.