Fernando Formation

Fernando Formation
Stratigraphic range: Plio-Pleistocene
TypeGeologic formation
UnderliesPico Formation
OverliesRepetto Formation
Lithology
PrimaryMudstone, siltstone, sandstone
Location
RegionLos Angeles Basin, Santa Monica Mountains
Los Angeles County, California
CountryUnited States

The Fernando Formation is a Plio-Pleistocene marine mudstone, siltstone and sandstone formation in the greater Los Angeles Basin, Ventura Basin, and Santa Monica Mountains, in Los Angeles County of Southern California.

Some literature recognizes two separate formations in place of the Fernando Formation: the older Repetto Formation and younger Pico Formation.