Purisima Formation

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

The Purisima Formation is a geologic formation in California that preserves fossils dating from the Late Miocene to Late Pliocene. It stretches from Point Reyes to the Santa Cruz Mountains.

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