Topanga Canyon Formation

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.[1] It is primarily composed of hard sandstone with some inter-bedded siltstone.

Topanga Canyon Formation
Stratigraphic range: Neogene
TypeFormation
UnderliesModelo Formation
Location
RegionSanta Monica Mountains
Los Angeles County, California
CountryUnited States

Fossils

It preserves fossils dating back to the Miocene epoch of the Neogene period, during the Cenozoic Era.[2][3]

See also

References

  1. 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.
  2. Various Contributors to the Paleobiology Database. "Fossilworks: Gateway to the Paleobiology Database". Retrieved 17 December 2021.
  3. "Topanga Formation | Invertebrate Paleontology @ NHM".


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