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San Joaquin Formation

From Wikipedia, the free encyclopedia
San Joaquin Formation
Stratigraphic range: Neogene
TypeGeologic formation
UnderliesTulare Formation
OverliesEtchegoin Formation
Location
RegionSan Joaquin Valley, California
CountryUnited States

The San Joaquin Formation is a Pliocene epoch geologic formation in the lower half of the San Joaquin Valley in central California.[1]

Geology

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With the underlying Etchegoin Formation, it is associated with the numerous oil fields in the central and southern San Joaquin Valley.[1] It is overlaid by the Tulare Formation.[1]

It preserves fossils dating back to the Neogene period of the Cenozoic Era.[2]

See also

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References

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  1. ^ a b c 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.
  • Bartow, J.A., 1991, The Cenozoic evolution of the San Joaquin Valley, California: U.S. Geological Survey Professional Paper 1501, 40 p.
  • Goudkoff, P.P., 1943, Correlation of oil field formations on west side of San Joaquin Valley, in Jenkins, O.P., ed., Geologic formations and economic development of the oil and gas fields of California: San Francisco, Calif., State of California, Department of Natural Resources, Division of Mines Bulletin No. 118, p. 247-252.