Briones Sandstone

The Briones Formation is a Late/Upper Miocene epoch geologic formation of the East Bay region in the San Francisco Bay Area, California.[1]

Briones Formation
Stratigraphic range: Miocene
TypeGeologic formation
UnderliesSan Pablo Formation
Location
RegionContra Costa County,
California
CountryUnited States
Type section
Named forBriones Hills

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

References

  1. Google Books: "Names and Definitions of the Geologic Units of California", Issues 825-830, pg 73.
  2. Various Contributors to the Paleobiology Database. "Fossilworks: Gateway to the Paleobiology Database". Archived from the original on 31 July 2014. Retrieved 8 July 2014.


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