Claremont Shale

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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

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]

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]

Paleobiota

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Mammals

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Cetaceans

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Genus Species Location Notes
Kampholophos Kampholophos serrulus Alameda Creek A dolphin.

Cartilaginous Fish

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Genus Species Location Notes
Galeocerdo Galeocerdo aduncus Alameda Creek A tiger shark.

Bony Fish

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Genus Species Location Notes
Ganolytes Ganolytes aratus Berkeley, Oakland A herring.
Lampanyctus Lampanyctus remifer Oakland A lanternfish.

Molluscs

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Scaphopods

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Genus Species Location Notes
Dentalium - Caldecott Tunnel A tusk-shell.

Bivalves

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Genus Species Location Notes
Lucinoma - Caldecott Tunnel A lucine.
Yoldia Yoldia submontereyensis Caldecott Tunnel A clam.

Plants

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Flowering Plants

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Genus Species Location Notes
Ocotea Ocotea coloradensis Oakland A laurel.

Algae

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Brown Algae(Kelps)

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Genus Species Location Notes
Paleocystophora Paleocystophora subopposita Oakland, Berkeley, Caldecott Tunnel A kelp.
Paleohalidrys Paleohalidrys occidentalis Oakland, Berkeley A kelp.

Red and Green Algae

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Genus Species Location Notes
Caulerpites Caulerpites denticulata Oakland, Berkeley A relative of Caulerpa.
Ulva Ulva latuca Oakland A sea lettuce.

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. ^ Lua error in Module:Citation/CS1/Configuration at line 2172: attempt to index field '?' (a nil value).