The Claremont Shale is a Miocene epoch geologic formation in the Berkeley Hills of the East Bay region of the San Francisco Bay Area, California.[1]

Claremont Shale
Stratigraphic range: Miocene epoch ,
Neogene Period
TypeGeologic formation
Unit ofMonterey Formation Group
UnderliesOursan Sandstone
OverliesSobrante Sandstone
Location
RegionBerkeley Hills
Alameda County

California
CountryUnited States
Type section
Named forClaremont Canyon

It is found within the Claremont Canyon area of the Berkeley Hills in Alameda County and Contra Costa County.[1]

The Claremont Shale formation preserves fossils dating back to the Miocene epoch of the Neogene period.[2]

See also

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References

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  1. ^ a b USGS.gov: "Upper Cretaceous and Lower Tertiary Rocks Berkeley and San Leandro Hills, California", by J. E. Case, GEOLOGICAL SURVEY BULLETIN 1251-J, 1968.
  2. ^ Various Contributors to the Paleobiology Database. "Fossilworks: Gateway to the Paleobiology Database". Retrieved 17 December 2021.