Earth:Lost Burro Formation

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Lost Burro Formation
Stratigraphic range: Middle to Upper Devonian
TypeGeologic formation
UnderliesTin Mountain Limestone
OverliesHidden Valley Dolomite
Lithology
PrimaryDolomite
Location
RegionMojave Desert
California
CountryUnited States
Type section
Named forLost Burro Gap
Named byMcAllister (1952)

The Lost Burro Formation is a Middle to Upper/Late Devonian geologic formation in the Mojave Desert of California in the Western United States.

Geology

The Dolomite formation is exposed in sections of the Darwin Hills, the Santa Rosa Hills, the Talc City Hills, the Inyo Mountains near the Cerro Gordo Mines, the Panamint Range near Towne Pass, and the Argus Range. [1]

Fossils

Outcrops of the formation in Death Valley National Park have produced fossils of the placoderm Dunkleosteus terrelli, a small cladodont shark, the crushing tooth of a cochliodont, and the pteraspidid Blieckaspis priscillae.[2] [3]

References

  1. Google Books: United States Geological Survey Professional Paper - "Geology and ore deposits of Inyo County, California"
  2. "Death Valley National Park," Hunt, Santucci, and Kenworthy (2006); page 63.
  3. 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.