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Lost Burro Formation
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
,
Santa Rosa Hills
,
Talc City Hills
,
Inyo Mountains
near the
Cerro Gordo Mines
,
Panamint Range
near
Towne
Pass
, and the
Argus Range
.
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
.