Sweetwater Formation Explained

Sweetwater Formation
Type:	Formation
Age:	Paleogene
Region:	California
Country:	United States

The Sweetwater Formation is a geologic formation in California. It preserves fossils from the Late Eocene period.^[1] It underlies the Otay Formation, which reserves fossils of the Oligocene to Miocene periods of the Cenozoic Era.

It is located in the Peninsular Ranges province. The formation is composed of the angular-conglomerate, gritstone, sandstone and mudstone facies.^[2]

See also

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

References

• Web site: Fossilworks: Gateway to the Paleobiology Database. ((Various Contributors to the Paleobiology Database)). 17 December 2021.

Notes and References

1. Walsh . Stephen L. . Demere . Thomas A. . 1991 . Age and Stratigraphy of the Sweetwater and Otay Formations, San Diego County, California . en-US . 131–148.
2. Scheidemann . Robert C. Jr. . Kuper . Herman T. . 1979 . Stratigraphy and Lithofacies of the Sweetwater and Rosarito Beach Formations, Southwestern San Diego County, California and Northwestern Baja California, Mexico . en-US . 107–118.