Earth:San Pablo Formation
From HandWiki
| San Pablo Formation Stratigraphic range: Miocene | |
|---|---|
| Type | Geologic formation |
| Sub-units | Briones Sandstone, Cierbo Sandstone, Neroly Sandstone |
| Underlies | Pinole Tuff Formation |
| Thickness | 1,500 feet (460 m) |
| Location | |
| Region | Contra Costa County, California |
| Country | United States |
The San Pablo 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 on the south shore of San Pablo Bay, in western Contra Costa County.[1]
Geology
It is series of marine sandstones with tuffs and ashes. Its subunits, listed alphabetically, are Briones Sandstone, Cierbo Sandstone, Neroly Sandstone,[2] and underlies the Pinole Tuff Formation.[1]
It preserves fossils dating back to the Neogene period.[3]
See also
- Miocene California geology
- List of fossiliferous stratigraphic units in California
- Paleontology in California
References
- ↑ 1.0 1.1 1.2 Google Books: "Names and Definitions of the Geologic Units of California", Issues 825-830, pg 73.
- ↑ , pp. 255, https://pubs.usgs.gov/journal/1973/vol1issue3/report.pdf, Wikidata Q93281155
- ↑ ((Various Contributors to the Paleobiology Database)). "Fossilworks: Gateway to the Paleobiology Database". http://www.fossilworks.org/cgi-bin/bridge.pl?action=home.
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