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]