The Pogonip Group is an
Ordovician
The Ordovician ( ) is a geologic period and System (geology), system, the second of six periods of the Paleozoic Era (geology), Era, and the second of twelve periods of the Phanerozoic Eon (geology), Eon. The Ordovician spans 41.6 million years f ...
period
Period may refer to:
Common uses
* Period (punctuation)
* Era, a length or span of time
*Menstruation, commonly referred to as a "period"
Arts, entertainment, and media
* Period (music), a concept in musical composition
* Periodic sentence (o ...
geologic group
In geology, a group is a lithostratigraphic unit consisting of a series of related formations that have been classified together to form a group. Formations are the fundamental unit of stratigraphy. Groups may sometimes be combined into superg ...
located in southern
Nevada
Nevada ( ; ) is a landlocked state in the Western United States. It borders Oregon to the northwest, Idaho to the northeast, California to the west, Arizona to the southeast, and Utah to the east. Nevada is the seventh-most extensive, th ...
and in
Utah
Utah is a landlocked state in the Mountain states, Mountain West subregion of the Western United States. It is one of the Four Corners states, sharing a border with Arizona, Colorado, and New Mexico. It also borders Wyoming to the northea ...
.
Geology
Its subunits in Nevada, from youngest/later to oldest/earlier, are:
*
Goodwin Limestone — thick
*
Ninemile Formation — thick
*
Antelope Valley Limestone — thick
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 ...
dating back to the
Early Ordovician stage of the
Ordovician
The Ordovician ( ) is a geologic period and System (geology), system, the second of six periods of the Paleozoic Era (geology), Era, and the second of twelve periods of the Phanerozoic Eon (geology), Eon. The Ordovician spans 41.6 million years f ...
period.
See also
*
List of fossiliferous stratigraphic units in Nevada
This article contains a list of fossil-bearing stratigraphic units in the state of Nevada, U.S.
Sites
See also
* Paleontology in Nevada
References
*
{{DEFAULTSORT:Fossiliferous stratigraphic units in Nevada
Nevada
Stratigraphic units
...
*
List of fossiliferous stratigraphic units in Utah
This article contains a list of fossil-bearing stratigraphic units in the state of Utah, U.S.
Sites
See also
* Paleontology in Utah
References
*
{{DEFAULTSORT:Fossiliferous stratigraphic units in Utah
Utah
Stratigraphic units
A strat ...
References
Geologic groups of Nevada
Geologic groups of Utah
Lower Ordovician Series
Ordovician geology of Nevada
Ordovician geology of Utah
Ordovician System of North America
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