Claremont Shale
Appearance
| Claremont Shale | |
|---|---|
| Stratigraphic range: Miocene epoch , Neogene Period | |
| Type | Geologic formation |
| Unit of | Monterey Formation Group |
| Underlies | Oursan Sandstone |
| Overlies | Sobrante Sandstone |
| Location | |
| Region | Berkeley Hills Alameda County California |
| Country | United States |
| Type section | |
| Named for | Claremont 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
[edit]Mammals
[edit]Cetaceans
[edit]| Genus | Species | Location | Notes |
|---|---|---|---|
| Kampholophos | Kampholophos serrulus | Alameda Creek | A dolphin. |
Fish
[edit]Cartilaginous Fish
[edit]| Genus | Species | Location | Notes |
|---|---|---|---|
| Galeocerdo | Galeocerdo aduncus | Alameda Creek | A tiger shark. |
Bony Fish
[edit]| Genus | Species | Location | Notes |
|---|---|---|---|
| Ganolytes | Ganolytes aratus | Berkeley, Oakland | A herring. |
| Lampanyctus | Lampanyctus remifer | Oakland | A lanternfish. |
Molluscs
[edit]Scaphopods
[edit]| Genus | Species | Location | Notes |
|---|---|---|---|
| Dentalium | - | Caldecott Tunnel | A tusk-shell. |
Bivalves
[edit]| Genus | Species | Location | Notes |
|---|---|---|---|
| Lucinoma | - | Caldecott Tunnel | A lucine. |
| Yoldia | Yoldia submontereyensis | Caldecott Tunnel | A clam. |
Plants
[edit]Flowering Plants
[edit]| Genus | Species | Location | Notes |
|---|---|---|---|
| Ocotea | Ocotea coloradensis | Oakland | A laurel. |
Algae
[edit]Brown Algae(Kelps)
[edit]| Genus | Species | Location | Notes |
|---|---|---|---|
| Paleocystophora | Paleocystophora subopposita | Oakland, Berkeley, Caldecott Tunnel | A kelp. |
| Paleohalidrys | Paleohalidrys occidentalis | Oakland, Berkeley | A kelp. |
Red and Green Algae
[edit]| Genus | Species | Location | Notes |
|---|---|---|---|
| Caulerpites | Caulerpites denticulata | Oakland, Berkeley | A relative of Caulerpa. |
| Ulva | Ulva latuca | Oakland | A sea lettuce. |
See also
[edit]References
[edit]- 1 2 USGS.gov: "Upper Cretaceous and Lower Tertiary Rocks Berkeley and San Leandro Hills, California", by J. E. Case, GEOLOGICAL SURVEY BULLETIN 1251-J, 1968.
- ↑ Various Contributors to the Paleobiology Database. "Fossilworks: Gateway to the Paleobiology Database". Retrieved 17 December 2021.
Categories:
- Geology of Contra Costa County, California
- Berkeley Hills
- Geologic formations of California
- Shale formations of the United States
- Miocene California
- Geology of Alameda County, California
- Natural history of the California Coast Ranges
- Miocene Series of North America
- California geologic formation stubs
- Neogene stubs