Tulare Formation Explained

Tulare Formation
Type:	Formation
Age:	Neogene & Quaternary
Period:	Holocene
Region:	San Joaquin Valley, California
Country:	United States
Underlies:	(is topmost formation)
Overlies:	San Joaquin Formation
Thickness:	up to 4000feet

The Tulare Formation is a Pliocene to Holocene epoch geologic formation in the central and southern San Joaquin Valley of central California.^{[1] [2]}

Geology

It overlies the San Joaquin Formation, and can be up to 4000feet thick.^{[1] [2]}

Its sediments consist mainly of unconsolidated deposits of clay, silt, sand, and gravel.^[1]

Fossils

Many freshwater fossils are preserved in the formation, dating back to the Neogene and Quaternary Periods of the Cenozoic Era.^[3] They include the largest fossil assemblage of clams and snails known on the Pacific Coast.^[1]

See also

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

References

Notes and References

1. https://pubs.er.usgs.gov/publication/wri834000 USGS.gov: "Geology of the Tulare Formation and other continental deposits, Kettleman City area, San Joaquin Valley, California, with a section on ground-water management considerations and use of texture maps"
2. http://pubs.usgs.gov/pp/pp1713/22/pp1713_ch22.pdf USGS.gov: "Neogene Gas Total Petroleum System—Neogene Nonassociated Gas Assessment Unit of the San Joaquin Basin Province"
3. Web site: Fossilworks: Gateway to the Paleobiology Database. ((Various Contributors to the Paleobiology Database)). 17 December 2021.