Forbes Shale


The Forbes Shale is a geologic formation in the Sacramento Valley of northern California, United States. It is found in the Sutter Buttes area of Sutter [County, California]. It preserves fossils dating back to the Coniacian stage of the Late Cretaceous period.

Fossil content

The following fossils were reported from the formation:
;Bivalves
;Gastropods
;Ammonites