- Source: Harrodsburg Limestone
The Harrodsburg Limestone is a geologic formation, a member of the Sanders Group of Indiana Limestone, of Mississippian age. It was named for Harrodsburg in southern Monroe County, Indiana by T. C. Hopkins and C. E. Siebenthal ("The Bedford Oolitic Limestone of Indiana" - 1897). It is made up primarily of calcarenite and calcirudite. It also may include some beds of dolomite and shale.
Harrodsburg Limestone is found throughout the part of the Illinois Basin running through southern Indiana.
See also
List of fossiliferous stratigraphic units in Indiana
List of fossiliferous stratigraphic units in Kentucky
References
Various Contributors to the Paleobiology Database. "Fossilworks: Gateway to the Paleobiology Database". Archived from the original on 25 March 2022. Retrieved 17 December 2021.
External links
Indiana Geological Survey explanation of Harrodsburg Limestone