Earth:Briones Formation
From HandWiki
Briones Formation Stratigraphic range: Miocene | |
---|---|
Type | Geologic formation |
Underlies | San Pablo Formation |
Location | |
Region | Contra Costa County, California |
Country | United States |
Type section | |
Named for | Briones Hills |
The Briones Formation is a Late/Upper Miocene epoch geologic formation of the East Bay region in the San Francisco Bay Area, California .[1]
It is found in western Contra Costa County.[1]
It preserves fossils dating back to the Late/Upper Miocene epoch of the Neogene period.[2]
See also
- Miocene California geology
- List of fossiliferous stratigraphic units in California
- Paleontology in California
References
- ↑ 1.0 1.1 Google Books: "Names and Definitions of the Geologic Units of California", Issues 825-830, pg 73.
- ↑ Various Contributors to the Paleobiology Database. "Fossilworks: Gateway to the Paleobiology Database". Archived from the original on 31 July 2014. https://web.archive.org/web/20140731140924/http://fossilworks.org/. Retrieved 8 July 2014.