Menard Limestone
| Menard Limestone | |
|---|---|
| Stratigraphic range: Mississippian | |
| Type | Formation |
| Unit of | Buffalo Wallow Group |
| Sub-units | Allard Limestone Member, Scottsburg Limestone Member, and Walche Limestone Member[1] |
| Underlies | Palestine Formation |
| Overlies | Waltersburg Formation |
| Area | Illinois Basin |
| Lithology | |
| Primary | Limestone and shale |
| Location | |
| Region | Adjacent parts of Illinois, Indiana, and Kentucky |
| Country | United States |
| Extent | Southern Illinois, southwestern Indiana, and western Kentucky |
| Type section | |
| Named for | Menard, Randolph Co., Illinois[2] |
| Named by | Weller (1913)[2] |
The Menard Limestone is a geologic formation in the Illinois Basin of southern Illinois, southwestern Indiana, and western Kentucky.[1][3]
The type section of both the Walche Limestone Member and the Scottsburg Limestone Member are exposures in Walche's Cut, a railway cutting on the Illinois Central Railroad.[4][5][6]
References
- ^ a b Stamm, N. 2020b, Geologic Unit: Menard, National Geologic Map Database, Geolex, United States Geological Survey, Reston, Virgina.
- ^ a b Weller, Stuart, 1913, Stratigraphy of the Chester group in southwestern Illinois: Illinois Academy of Science Transactions, vol. 6, p. 118-129.
- ^ Willman, H.B., Atherton, Elwood, Buschbach, T.C., Collinson, Charles, Frye, J.C., Hopkins, M.E., Lineback, J.A., and Simon, J.A., 1975, Handbook of Illinois stratigraphy: Illinois Geological Survey Bulletin, no. 95, 261 p.
- ^ "Walche Limestone Member". igws.indiana.edu.
- ^ Swann, David Henry (November 17, 1963). "Classification of Genevievian and Chesterian (late Mississippian) rocks of Illinois" – via www.ideals.illinois.edu.
{{cite journal}}: Cite journal requires|journal=(help) - ^ Droste, J. B., and Keller, S. J., 1995, Subsurface stratigraphy and distribution of oil fields of the Buffalo Wallow Group (Mississippian) in Indiana: Indiana Geological Survey Bulletin 63, 24 p.
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