| Topanga Canyon Formation | |
|---|---|
| Stratigraphic range: Neogene | |
| Type | Formation |
| Underlies | Modelo Formation |
| Location | |
| Region | Santa Monica Mountains Los Angeles County, California |
| Country | United States |
The Topanga Canyon Formation (/təˈpæŋɡə/ ) is a Miocene epoch geologic formation in the Santa Monica Mountains, Simi Hills, Santa Ana Mountains and San Joaquin Hills, in Los Angeles County, Ventura County, and Orange County, southern California. It is primarily composed of hard sandstone with some inter-bedded siltstone.
Fossils
It preserves fossils dating back to the Miocene epoch of the Neogene period, during the Cenozoic Era.
See also
- Miocene California
- List of fossiliferous stratigraphic units in California
- Paleontology in California
- Santa Monica Mountains-related topics
References
- USGS.gov: "Preliminary Geologic Map of the Simi 7.5' Quadrangle, Southern California, A Digital Database"; Open-File Report 97-259; compiled by R.F. Yerkes and R.H. Campbell; 1997.
- Various Contributors to the Paleobiology Database. "Fossilworks: Gateway to the Paleobiology Database". Retrieved 17 December 2021.
- "Topanga Formation | Invertebrate Paleontology @ NHM".
 | This article about a specific stratigraphic formation in California is a stub. You can help Misplaced Pages by expanding it. |
This article related to the Neogene period is a stub. You can help Misplaced Pages by expanding it. |