The Funks Shale is a geologic formation in the Sacramento Valley of northern California.
It is found in the Sutter Buttes area of Sutter County, California.
It preserves fossils dating back to the Cretaceous period.
See also
List of fossiliferous stratigraphic units in California Paleontology in California
References
Google Books: The Sutter Buttes of California: A Study of Plio-Pleistocene Volcanism; Howel Williams, Garniss H. Curtis.