The Ocotillo Formation is a Pliocene fluvial-alluvial fan geologic formation in the Colorado Desert of Southern California.National Park Service: "The FISH CREEK CANYON ICHNOFAUNA: a PLIOCENE (BLANCAN) Vertebrate Footprint Assemblage from Anza-Borrego Desert State Park, California"; by Paul Remeika.
It occurs in western Imperial County and eastern San Diego County.
Geology The formation overlies the Brawley Formation and the Palm Spring Formation. In the Mecca Hills, it is younger than 765,000 years.
Fossils It preserves fossils and petrified wood, from the Pliocene Epoch of the Neogene Period, within Anza-Borrego Desert State Park.
See also
List of fossiliferous stratigraphic units in California Paleontology in California
References
Further reading