The Ely Springs Dolomite is an Ordovician period geologic formation in the Southwestern United States.
The Dolomite formation is exposed in areas of the northern Mojave Desert in Inyo County, California, southern Nevada including the Ely Springs Range, and southwestern Utah.Google Books: United States Geological Survey Professional Paper - "Geology and ore deposits of Inyo County, California"
Fossils It preserves fossils dating back to the Ordovician period of the Paleozoic Era.
See also
List of fossiliferous stratigraphic units in California List of fossiliferous stratigraphic units in Nevada List of fossiliferous stratigraphic units in Utah
References