Pinole Tuff Formation
Stratigraphic range: Neogene

Type| Geologic formation
Underlies| Orinda Formation,
Monterey Formation Group units
Overlies| Neroly Formation
San Pablo Formation
Thickness| 270 metres (890 ft)
Lithology
Primary| Tuff, breccia
Location
Region| Contra Costa County
California
Country| United States
Type section
Named for| Pinole, California

The Pinole Tuff Formation is a geologic formation of the East Bay region of the San Francisco Bay Area in California .

It is found near Pinole and Rodeo area at San Pablo Bay and the Briones Hills of western Contra Costa County.

Fossils

It preserves fossils, including Oncorhynchus rastrosus[1] and fragments of a proto-hipparion prehistoric horse, dating back to the Neogene period.

## See also

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

## References

1. ↑ Cavender, Ted M.; Miller, Robert Rush (1972). "Smilodonichthys Rastrosus: A New Pliocene Salmonid Fish from Western United States". Bulletin of the Museum of Natural History (University of Oregon) 18.

* ((Various Contributors to the Paleobiology Database)). "Fossilworks: Gateway to the Paleobiology Database". http://www.fossilworks.org/cgi-bin/bridge.pl?action=home.

0.00

(0 votes)

Original source: https://en.wikipedia.org/wiki/Pinole Tuff Formation. Read more

|

Retrieved from "https://handwiki.org/wiki/index.php?title=Earth:Pinole_Tuff_Formation&oldid=2338918"