Big Clifty Formation

The Big Clifty Formation is a geologic formation in Indiana.^[2] It preserves fossils dating back to the Carboniferous period.^[3]

Big Clifty Formation
Stratigraphic range: Mississippian
Type	Formation
Unit of	Stephensport Group[1]
Underlies	Haney Limestone
Overlies	Beech Creek Limestone
Location
Region	Indiana
Country	United States

In Illinois and Kentucky, the Big Clifty is referred to as the Big Clifty Sandstone and has been assigned to the Golconda Formation.^[4]

See also

• List of fossiliferous stratigraphic units in Indiana