Hidden Valley Dolomite

Hidden Valley Dolomite
Stratigraphic range: Silurian—Devonian
Hidden Valley Dolomite; Stratigraphic range: Silurian—Devonian
Type	Geologic formation
Underlies	Lost Burro Formation
Overlies	Ely Springs Dolomite
Thickness	1,000–1,300 feet (300–400 m)
Lithology
Primary	Dolomite
Location
Region	Mojave Desert; California
Country	United States
Type section
Named for	Hidden Valley
Named by	McAllister (1952)

The Hidden Valley Dolomite is a Silurian−Devonian geologic formation in the northern Mojave Desert of California, in the western United States.

Locations where it is exposed include sections of the southern Inyo Mountains and the Talc City Hills.^[1]

Hidden Valley Dolomite overlies the Ely Springs Dolomite formation, and underlies the Lost Burro Formation.^[1]

Paleontology[]

Outcrops of the Hidden Valley Dolomite formation's Lippincott Member in Death Valley National Park have produced fossils of the fishes Panamintaspis snowi and Blieckaspis priscillae along with the remains of other jawless fishes and a small arthrodire placoderm.^[2]^[3]

^ ^a ^b Google Books: United States Geological Survey Professional Paper - "Geology and ore deposits of Inyo County, California"
^ "Death Valley National Park," Hunt, Santucci, and Kenworthy (2006); page 63.
^ Hunt, ReBecca K., Vincent L. Santucci and Jason Kenworthy. 2006. "A preliminary inventory of fossil fish from National Park Service units." in S.G. Lucas, J.A. Spielmann, P.M. Hester, J.P. Kenworthy, and V.L. Santucci (ed.s), Fossils from Federal Lands. New Mexico Museum of Natural History and Science Bulletin 34, pp. 63–69.

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