The Harold Formation is a geologic formation in the Central Mojave Desert, west of Victorville and north of the San Gabriel Mountains, in eastern San Bernardino County, Southern California. Quake.ca.gov: Geologic Map of the San Bernardino Quadrangle, California Geological Survey.
Geology The formation, with Shoemaker Gravel in other areas, overlies the Pliocene epoch Crowder Formation.Caltech Thesis: "Neotectonics of the north frontal fault system of the San Bernardino Mountains, southern California : Cajon Pass to Lucerne Valley", Meisling, Kristian Erik (1984), Dissertation (Ph.D.), California Institute of Technology.
The Harold Formation preserves Cenozoic Era fossils.
See also
List of fossiliferous stratigraphic units in California Paleontology in California
References