San Joaquin Formation Stratigraphic range: Neogene | |
---|---|
Type | Geologic formation |
Underlies | Tulare Formation |
Overlies | Etchegoin Formation |
Location | |
Region | San Joaquin Valley, California |
Country | United States |
The San Joaquin Formation is a Pliocene epoch geologic formation in the lower half of the San Joaquin Valley in central California .[1]
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]
Original source: https://en.wikipedia.org/wiki/San Joaquin Formation.
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Categories: [Pliocene geology]