SEDIS - Thesaurus
Richmond Group  | |
|---|---|
| BT | Chronostratigraphic Units |
| .Phanerozoic | |
| ..Paleozoic | |
| ...Ordovician | |
| ....Upper Ordovician | |
| .....Richmond Group | |
| RT | Kentucky |
| Missouri | |
| Illinois | |
| Indiana | |
| Ohio | |
| Fernvale Formation | |
| Juniata Formation | |
| Queenston Shale | |
| SN | Includes Queenston Shale, Arnheim Formation, Waynesville Formation, Liberty Formation, Whitewater Formation, Sequatchie Formation, Fernvale Limestone, Marnie Shale, Oswego Sandstone, Juniata Formation, Saluda Formation, Elkhorn Formation. |
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