Purisima Formation
Geologic formation in California, United States
From Wikipedia, the free encyclopedia
The Purisima Formation is a geologic formation in California that preserves fossils dating from the Late Miocene to Late Pliocene.[1] It stretches from Point Reyes to the Santa Cruz Mountains.[2]
| Purisima Formation | |
|---|---|
| Stratigraphic range: Late Miocene-Early Pleistocene ~ | |
Outcrop of Purisima Formation sandstone at San Gregorio State Beach | |
| Type | Formation |
| Lithology | |
| Primary | Sandstone, siltstone |
| Other | Conglomerate, phosphorite |
| Location | |
| Region | California |
| Country | United States |
