Tulare_Formation

Tulare Formation

Tulare Formation

Geologic formation in central California, US


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]

Quick Facts Type, Underlies ...

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


References

  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.
  2. Various Contributors to the Paleobiology Database. "Fossilworks: Gateway to the Paleobiology Database". Retrieved 17 December 2021.



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