The Tejon Formation is a Paleogene period geologic formation in California.

Tejon Formation
Stratigraphic range: Paleogene
TypeFormation
UnderliesIone Formation (regionally)
OverliesMartinez Formation (regionally),
Chico Formation (regionally)
Thickness2,100–2,300 feet (640–700 m)
Lithology
Primaryconglomerate, shale
Location
RegionCalifornia
CountryUnited States
Type section
Named forFort Tejon

Geology

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The formation regionally overlies the Martinez Formation or the Chico Formation.[1] Paleontology in the Tejon Formation indicates a more tropical climate than during the Martinez Formation's period, with fauna that flourished in its littoral conditions.[1]

Occurrences

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It is predominantly found in the Fort Tejon area of the San Emigdio Mountains and Tehachapi Mountains in Kern County, and around Martinez in Contra Costa County.[1]

Areas it surfaces, south to north, include:[1]

Fossils

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It preserves prehistoric plant and fauna fossils dating back to the Paleogene period of the Cenozoic Era.[2]

Species

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Species (1897 taxa names) found only in the Tejon Formation include:[1]

See also

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References

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  1. ^ a b c d e Google Books: "The stratigraphic and faunal relations of the Martinez formation to the Chico and Tejon of Southern California", Clarence A. Waring; Stanford University Dept. of Geology; Jun 4, 2011 . accessed 1.16.2016.
  2. ^ Various Contributors to the Paleobiology Database. "Fossilworks: Gateway to the Paleobiology Database". Retrieved 17 December 2021.