Bond Formation

The Bond Formation is a geologic formation in Illinois, Kentucky and Indiana. It preserves fossils dating back to the Carboniferous period.

Bond Formation
Stratigraphic range: Pennsylvanian
Erisocrinus fossil from the Bond Formation
Type	Formation
Unit of	McLeansboro Group
Sub-units	Lasalle Limestone Member
Underlies	Mattoon Formation
Overlies	Patoka Formation
Location
Region	Illinois, Kentucky and Indiana
Country	United States

Illinois Basin stratigraphy incl. Bond Formation

See also

• List of fossiliferous stratigraphic units in Illinois