Llajas Formation
The Llajas Formation is a non-marine to marine conglomerate geologic formation in Southern California.
It is found in the Transverse Ranges geologic province, within Los [Angeles County, California|Los Angeles County] and Ventura County. Locations include the Simi Hills, Simi Valley, and Santa [Susana Mountains].
;Fossils
It preserves fossils dating back to the early and middle Eocene epoch of the Paleogene period.