Type Geologic formation Overlies Sobrante Sandstone | Underlies Oursan Sandstone Country United States | |
Unit of Monterey Formation Group Named for Claremont Canyon Regional Preserve Regions Berkeley Hills, Alameda County, California, California | ||
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.
It is found within the Claremont Canyon area of the Berkeley Hills in Alameda County and Contra Costa County.
The Claremont Shale formation preserves fossils dating back to the Miocene epoch of the Neogene period.
References
Claremont Shale Wikipedia(Text) CC BY-SA