The Deep River Formation is a
geologic formation in
Montana. 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
Neogene
The Neogene ( ), informally Upper Tertiary or Late Tertiary, is a geologic period and system that spans 20.45 million years from the end of the Paleogene Period million years ago ( Mya) to the beginning of the present Quaternary Period Mya. ...
period.
Fauna
See also
*
List of fossiliferous stratigraphic units in Montana
This article contains a list of fossil-bearing stratigraphic units in the state of Montana, U.S.
Sites
See also
* Paleontology in Montana
References
*
{{DEFAULTSORT:Fossiliferous stratigraphic units in Montana
Montana
Stratigraphic u ...
*
Paleontology in Montana
References
*
Neogene Montana
{{Neogene-stub