The Antelope Valley Limestone is a

limestone Limestone ( calcium carbonate ) is a type of carbonate sedimentary rock which is the main source of the material lime. It is composed mostly of the minerals calcite and aragonite, which are different crystal forms of . Limestone forms whe ...

geologic formation A geological formation, or simply formation, is a body of rock having a consistent set of physical characteristics ( lithology) that distinguishes it from adjacent bodies of rock, and which occupies a particular position in the layers of rock exp ...

of the

Pogonip Group The Pogonip Group is an Ordovician period geologic group located in southern Nevada and in Utah. Geology Its subunits in Nevada, from youngest/later to oldest/earlier, are: * Goodwin Limestone — thick * Ninemile Formation — thick * Antelop ...

in southern

Nevada Nevada ( ; ) is a U.S. state, state in the Western United States, Western region of the United States. It is bordered by Oregon to the northwest, Idaho to the northeast, California to the west, Arizona to the southeast, and Utah to the east. N ...

. It is found in the

Antelope Valley The Antelope Valley is located in northern Los Angeles County, California, and the southeast portion of Kern County, California, and constitutes the western tip of the Mojave Desert. It is situated between the Tehachapi, Sierra Pelona, and the ...

region of

Eureka County Eureka County is a County (United States), county in the U.S. state of Nevada. As of the 2020 United States Census, 2020 census, the population was 1,855, making it the second-least populous county in Nevada. Its county seat is Eureka, Nevada, E ...

and Nye County. It preserves

fossils A fossil (from Classical Latin , ) is any preserved remains, impression, or trace of any once-living thing from a past geological age. Examples include bones, shells, exoskeletons, stone imprints of animals or microbes, objects preserved in ...

dating back to the

Whiterock Stage The Whiterockian, often referred to simply as the Whiterock, is an earliest or lowermost stage of the Middle Ordovician. Although the Whiterockian or Whiterock Stage refers mainly to the early Middle Ordovician in North America, it is often used in ...

of the Ordovician period.

References

* * Ordovician geology of Nevada Limestone formations of the United States Geography of Eureka County, Nevada Geography of Nye County, Nevada Ordovician System of North America Geologic formations of Nevada Ordovician southern paleotropical deposits {{Ordovician-stub

See also

References