Topanga Canyon Formation

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

The Topanga Canyon Formation (/təˈpæŋɡə/ Audio file "En-us-Topanga.ogg" not found) 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.

Fossils

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

See also

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References

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  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.
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