San Pablo Formation
San Pablo Formation Stratigraphic range: Miocene | |
---|---|
Type | Geologic formation |
Sub-units | Briones 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, , ,[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[]
- ^ a b c Google Books: "Names and Definitions of the Geologic Units of California", Issues 825-830, pg 73.
- ^ K. J. Murata; Karen R. Whiteley (1973). "Zeolites in the Miocene Briones Sandstone and related formations of the central Coast Ranges, California" (PDF). Journal of Research of the U.S. Geological Survey. 1 (3): 255. ISSN 0091-374X. Wikidata Q93281155.
- ^ Various Contributors to the Paleobiology Database. "Fossilworks: Gateway to the Paleobiology Database". Retrieved 17 December 2021.
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Categories:
- Miocene California
- Geology of Contra Costa County, California
- San Pablo Bay
- Geologic formations of California
- Messinian
- Tortonian
- Tuff formations
- Miocene Series of North America
- California geologic formation stubs
- Neogene stubs