The Goodwin Limestone is a

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 ...

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 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 Ordovician period.

References

* Ordovician geology of Nevada Ordovician California Ordovician System of North America Geologic formations of California Geologic formations of Nevada Ordovician southern paleotropical deposits {{Ordovician-stub

See also

References