The San Joaquin Formation is a Pliocene epoch geologic formation in the lower half of the San Joaquin Valley in central California.[1]
| San Joaquin Formation | |
|---|---|
| Stratigraphic range: Neogene | |
| Type | Geologic formation |
| Underlies | Tulare Formation |
| Overlies | Etchegoin Formation |
| Location | |
| Region | San Joaquin Valley, California |
| Country | United States |
Geology
editWith 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
edit
References
edit- ^ 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.
- ^ 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.
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