Tulare Formation
{{Short description|Geologic formation in central California, US}}
{{Infobox rockunit
| name = Tulare Formation
| image =
| caption =
| type = Formation
| age = Neogene & Quaternary
| period = Holocene
| prilithology =
| otherlithology =
| namedfor =
| namedby =
| region = San Joaquin Valley, California
| country = United States
| coordinates =
| unitof =
| subunits =
| underlies = (is topmost formation)
| overlies = San Joaquin Formation
| thickness = up to {{convert|4000|ft|m}}
| extent =
| area =
| map =
| map_caption =
}}
The Tulare Formation ({{IPAc-en|audio=En-us-tulare.ogg|t|ʊ|ˈ|l|ɛər|i}}) is a Pliocene to Holocene epoch geologic formation in the central and southern San Joaquin Valley of central California.[https://pubs.er.usgs.gov/publication/wri834000 USGS.gov: "Geology of the Tulare Formation and other continental deposits, Kettleman City area, San Joaquin Valley, California, with a section on ground-water management considerations and use of texture maps"]; Water-Resources Investigations Report 83-4000; by R.W. Page; 1983.[http://pubs.usgs.gov/pp/pp1713/22/pp1713_ch22.pdf USGS.gov: "Neogene Gas Total Petroleum System—Neogene Nonassociated Gas Assessment Unit of the San Joaquin Basin Province"]; Chapter 22 of the Petroleum Systems and Geologic Assessment of Oil and Gas in the San Joaquin Basin Province, California; by Allegra Hosford Scheirer and Leslie B. Magoon.
Geology
It overlies the San Joaquin Formation, and can be up to {{convert|4000|ft|m}} thick.
Its sediments consist mainly of unconsolidated deposits of clay, silt, sand, and gravel.
=Fossils=
Many freshwater fossils are preserved in the formation, dating back to the Neogene and Quaternary Periods of the Cenozoic Era.{{cite web|title= Fossilworks: Gateway to the Paleobiology Database|author= ((Various Contributors to the Paleobiology Database))|url= https://www.fossilworks.org|access-date= 17 December 2021|df= }} They include the largest fossil assemblage of clams and snails known on the Pacific Coast.
See also
{{Portal|Earth sciences|California|Paleontology}}
- {{C|Neogene California}}
- List of fossiliferous stratigraphic units in California
- Paleontology in California
References
{{Reflist}}
{{Clear}}
{{Neogene Footer}}
{{Quaternary Footer}}
Category:Pleistocene California
Category:Quaternary California
Category:Geography of the San Joaquin Valley
Category:Geology of Fresno County, California
Category:Geology of Kern County, California
Category:Geology of Tulare County, California
Category:Geography of Kings County, California
Category:Geologic formations of California
{{California-geologic-formation-stub}}
{{Neogene-stub}}