The Rockford Limestone is a
geologic formation in
Indiana. 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
Carboniferous
The Carboniferous ( ) is a geologic period and system of the Paleozoic that spans 60 million years from the end of the Devonian Period million years ago ( Mya), to the beginning of the Permian Period, million years ago. The name ''Carbonifero ...
period.
See also
*
List of fossiliferous stratigraphic units in Indiana
References
*
Carboniferous Indiana
Carboniferous southern paleotemperate deposits
{{Indiana-geologic-formation-stub