The Friars Formation is a geologic formation in San Diego County, California.Geiconsultants.com: Geologic Formations of Western San Diego County, by Jeffrey D. Brown, R.G., C.E.G. − circa 1996.
Geology It is the uppermost unit of the La Jolla Group. The rocks are nonmarine and lagoonal sandstone and claystone, named for exposures along the north side of Mission Valley near Friars Road.
It reaches a maximum thickness of between Mission Valley and Carmel Valley.
Fossils It preserves fossils dating back to the middle and late Eocene epoch of the Paleogene period, during the Cenozoic Era.
See also
List of fossiliferous stratigraphic units in California Paleontology in California
References
Further reading