Purisima Formation

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 ~7–3 Ma PreꞒ Ꞓ O S D C P T J K Pg N ↓
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

Trace fossils in Purisima Formation sandstone at San Gregorio State Beach in California

See also

• Earth sciences portal
• California portal
• Paleontology portal

• List of fossiliferous stratigraphic units in California
• Paleontology in California