| State | Illinois |
|---|---|
| Name | Upper Pope Group (Tar Springs Sandstone through Kinkaid Limestone) |
| Geologic age | Mississippian (Serpukhovian) |
| Lithologic constituents | Major
Sedimentary > Carbonate > Limestone (Bed)Limestone can be shaly or argillaceous, also can be cherty.
Sedimentary > Clastic > Mudstone > Shale (Bed, Calcareous, Carbonaceous)Shale can be silty and calcareous, also carbonaceous.
Sedimentary > Clastic > Sandstone (Bed)
|
| Comments | According to the stratigraphic column, the Pope Group only occurs in southern Illinois (south of 40 degrees north latitude). The upper part of the Pope Group is comprised, from oldest to youngest, of the Tar Springs Sandstone (0-150’), Vienna Limestone (0-60’), Waltersburg Formation (0-100’), Menard Limestone (0-150’, includes the Walche Limestone, Scottsburg Limestone, and Allard Limestone Members), Palestine Sandstone (0-120’), Clore Formation (0-150’, includes the Cora Limestone, Tygett Sandstone, and Ford Station Limestone Members), Degonia Sandstone (0-150’), and Kinkaid Limestone (0-230’, includes the Negli Creek Limestone, Cave Hill Shale, Goreville Limestone, and Grove Church Shale Members). |
| Stratigraphic units | Vienna Limestone, Waltersburg Formation, Menard Limestone (Walche Limestone, Scottsburg Limestone, Allard Limestone Members), Palestine Sandstone, Clore Formation (Cora Limestone, Tygett Sandstone, Ford Station Limestone Mbrs), Degonia Sandstone, and the Negli Creek Limestone, Cave Hill Shale, Goreville Limestone, and Grove Church Shale Members (of the Kincaid Limestone). |
| References | Kolata, D.R., comp., 2005, Bedrock Geology of Illinois: Champaign, Ill., Illinois State Geological Survey, Illinois Map Series 14, scale 1:500,000.USGS Geologic Names lexicon found at: http://ngmdb.usgs.gov/Geolex/https://ngmdb.usgs.gov/Geolex/search |
| NGMDB product | |
| Counties | Gallatin - Hardin - Jackson - Johnson - Massac - Pope - Randolph - Saline - Union |