Tulare Formation

Short description: Geologic formation in central California, US

Tulare Formation
Stratigraphic range: Neogene & Quaternary

Type| Formation
Underlies| (is topmost formation)
Overlies| San Joaquin Formation
Thickness| up to 4,000 feet (1,200 m)
Location
Region| San Joaquin Valley, California
Country| United States

The Tulare Formation (/tʊˈlɛəri/ (listen)) is a Pliocene to Holocene epoch geologic formation in the central and southern San Joaquin Valley of central California .[1][2]

## Contents

* 1 Geology
* 1.1 Fossils
* 2 See also
* 3 References

## Geology

It overlies the San Joaquin Formation, and can be up to 4,000 feet (1,200 m) 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

* Neogene California
* List of fossiliferous stratigraphic units in California
* Paleontology in California

## References

1. ↑ 1.0 1.1 1.2 1.3 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"; Water-Resources Investigations Report 83-4000; by R.W. Page; 1983.
2. ↑ 2.0 2.1 USGS.gov: "Neogene Gas Total Petroleum System—Neogene Nonassociated Gas Assessment Unit of the San Joaquin Basin Province"; Chapter 22 of the Petroleum Systems and Geologic Assessment of Oil and Gas in the San Joaquin Basin Province, California; by Allegra Hosford Scheirer and Leslie B. Magoon.
3. ↑ ((Various Contributors to the Paleobiology Database)). "Fossilworks: Gateway to the Paleobiology Database". http://www.fossilworks.org/cgi-bin/bridge.pl?action=home.

* v
* t
* e

Quaternary Period

| Pleistocene Epoch| Holocene Epoch

|

* Early
* Middle
* Late

* Meghalayan
* Northgrippian
* Greenlandian
* Preboreal
* Boreal
* Atlantic
* Subboreal
* Subatlantic

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