Tulare Formation
| 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/ ⓘ) is a Pliocene to Holocene epoch geologic formation in the central and southern San Joaquin Valley of central California.[1][2]
Geology
[edit]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
[edit]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
[edit]
References
[edit]- 1 2 3 4 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.
- 1 2 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.
- ↑ Various Contributors to the Paleobiology Database. "Fossilworks: Gateway to the Paleobiology Database". Retrieved 17 December 2021.
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Categories:
- Neogene California
- Pleistocene California
- Quaternary California
- Geography of the San Joaquin Valley
- Geology of Fresno County, California
- Geology of Kern County, California
- Geology of Tulare County, California
- Geography of Kings County, California
- Holocene geology
- Pleistocene geology
- Pliocene geology
- Geologic formations of California
- California geologic formation stubs
- Neogene stubs