Stratigraphic range: Neogene & Quaternary
|Underlies||(is topmost formation)|
|Overlies||San Joaquin Formation|
|Thickness||up to 4,000 feet (1,200 m)|
|Region||San Joaquin Valley, California|
Its sediments consist mainly of unconsolidated deposits of clay, silt, sand, and gravel.
Many freshwater fossils are preserved in the formation, dating back to the Neogene and Quaternary Periods of the Cenozoic Era. They include the largest fossil assemblage of clams and snails known on the Pacific Coast.
- Neogene California
- List of fossiliferous stratigraphic units in California
- Paleontology in California
- 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.
- 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". Archived from the original on 31 July 2014. Retrieved 8 July 2014.
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