Fernando Formation
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| Fernando Formation | |
|---|---|
| Stratigraphic range: Plio-Pleistocene | |
| Type | Geologic formation |
| Underlies | Pico Formation |
| Overlies | Repetto Formation |
| Lithology | |
| Primary | Mudstone, siltstone, sandstone |
| Location | |
| Region | Los Angeles Basin, Santa Monica Mountains Los Angeles County, California |
| Country | United States |
The Fernando Formation is a Plio-Pleistocene marine mudstone, siltstone and sandstone formation in the greater Los Angeles Basin, Ventura Basin,[1] and Santa Monica Mountains, in Los Angeles County of Southern California.
Geology
[edit | edit source]Outcrops of the formation in Santa Monica Mountains National Recreation Area have produced fossil shark teeth.[2][3]
Classification
[edit | edit source]The underlying Repetto Formation is equivalent in age to the Fernando Formation, and some researchers consider it as well as the overlying Pico Formation to be a junior synonym based on benthic foraminifera stages.[4] Other researchers maintain that the Repetto and Pico Formations are distinct stratigraphic units, and that the use of the name "Fernando Formation" should be stopped due to several issues with stratigraphic correlation and access to the type section.[5]
See also
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References
[edit | edit source]- ^ Liddicoat, 2001
- ^ Hunt, Santucci, and Kenworthy (2006). "Santa Monica Mountains National Recreation Area", page 67.
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- ^ Blake, Gregg H. 1991. "Review of the Neogene biostratigraphy and stratigraphy of the Los Angeles Basin and implications for basin evolution," In: Biddle, Kevin T. (ed), "Active Margin Basins", AAPG Memoir 52, 319pp.
- Geologic formations of California
- Fossiliferous stratigraphic units of the United States
- Paleontology in California
- Pliocene California
- Pleistocene California
- Sandstone formations of the United States
- Siltstone formations of the United States
- Mudstone formations of the United States
- Geology of Los Angeles County, California
- Natural history of the Santa Monica Mountains
- United States geologic formation stubs