Purisima Formation

The Purisima Formation is a geologic formation in California. It preserves fossils dating from the Late Miocene to Late Pliocene.[1]

Purisima Formation
Stratigraphic range: Late Miocene-Early Pleistocene
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Outcrop of Purisima Formation sandstone at San Gregorio State Beach
TypeFormation
Lithology
PrimarySandstone, siltstone
OtherConglomerate, phosphorite
Location
RegionCalifornia
CountryUnited States
Trace fossils in Purisima Formation sandstone at San Gregorio State Beach in California. The trace fossils appear as a lighter colored sandstone than the surrounding material. The trace fossils, likely left by clams or worms, come in both circular and elongated oval shapes.
Trace fossils in Purisima Formation sandstone at San Gregorio State Beach in California

See also

References
  1. Gomez, Marisa (2021-02-25). "A Guide to the Fossils of Santa Cruz County". Santa Cruz Museum of Natural History. Retrieved 2022-08-10.


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