San Joaquin Formation

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]

• Geology of Kern County, California
• Neogene California
• List of fossiliferous stratigraphic units in California
• Paleontology in California

• 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.

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