Ocotillo Formation
| Ocotillo Formation | |
|---|---|
| Stratigraphic range: Pliocene | |
| Type | Geologic formation |
| Underlies | Palm Spring Formation |
| Overlies | Brawley Formation |
| Location | |
| Region | Colorado Desert, California |
| Country | United States |
| Type section | |
| Named for | Ocotillo, California |
The Ocotillo Formation is a Pliocene fluvial-alluvial fan geologic formation in the Colorado Desert of Southern California.[1]
It occurs in western Imperial County and eastern San Diego County.[2]
Geology[edit]
The formation overlies the Brawley Formation and the Palm Spring Formation. In the Mecca Hills, it is younger than 765,000 years.
Fossils[edit]
It preserves fossils and petrified wood, from the Pliocene Epoch of the Neogene Period, within Anza-Borrego Desert State Park.[1][3]
See also[edit]
- Pliocene California
- List of fossiliferous stratigraphic units in California
- Paleontology in California
References[edit]
- ^ a b National Park Service: "The FISH CREEK CANYON ICHNOFAUNA: a PLIOCENE (BLANCAN) Vertebrate Footprint Assemblage from Anza-Borrego Desert State Park, California"; by Paul Remeika.
- ^ Kirby, S. M.; Janecke, S. U.; Dorsey, R. J.; Housen, B. A.; Langenheim, V. E.; McDougall, K. A.; Steely, A. N. (January 2007). "Pleistocene Brawley and Ocotillo Formations: Evidence for Initial Strike-Slip Deformation along the San Felipe and San Jacinto Fault Zones, Southern California". The Journal of Geology. 115 (1): 43–62. Bibcode:2007JG....115...43K. doi:10.1086/509248. JSTOR 509248. S2CID 128487198.
- ^ Various Contributors to the Paleobiology Database. "Fossilworks: Gateway to the Paleobiology Database". Retrieved 17 December 2021.
Further reading[edit]
- Weber, F. Harold (1963). Geology and mineral resources of San Diego County, California. California Division of Mines and Geology. p. 33.
- Hoetker, Geoffrey M.; Gobalet, Kenneth W. (2 August 1999). "Fossil Razorback Sucker (Pisces: Catostomidae, Xyrauchen texanus) from SoutheasternCalifornia". Copeia. 1999 (3): 755–759. doi:10.2307/1447609. JSTOR 1447609.
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