| 词条 | Purisima Formation |
| 释义 |
| name = Purisima Formation | image = Purisima Formation sandstone at San Gregorio State Beach.jpg | caption = Outcrop of Purisima Formation sandstone at San Gregorio State Beach | type = Formation | age = Late Miocene-Early Pleistocene ~{{fossil range|11.5|2.5}} | period = Neogene | prilithology = Sandstone, siltstone | otherlithology = Conglomerate, phosphorite | namedfor = | namedby = | region = California | country = United States | coordinates = | unitof = | subunits = | underlies = | overlies = | thickness = | extent = | area = | map = | map_caption = }} The Purisima Formation is a geologic formation in California. It preserves fossils dating from the Late Miocene to Early Pleistocene.[1] See also{{Portal|Earth sciences|California|Paleontology|Neogene|Prehistory of North America}}
References1. ^Purisima Formation at Fossilworks.org External links
7 : Geologic formations of the United States|Sandstone formations of the United States|Fossiliferous stratigraphic units of the United States|Neogene California|Paleontology in California|Siltstone formations|Conglomerate formations |
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