| Janesville Shale | |
|---|---|
| Stratigraphic range: Late Carboniferous (Virgilian) | |
| Type | Formation |
| Unit of | Admire Group [1] |
| Sub-units | Five Point Limestone, Hamlin Shale, West Branch Shale |
| Lithology | |
| Primary | Shale |
| Other | Limestone |
| Location | |
| Region | Kansas, Oklahoma, Nebraska |
| Country | United States |
| Type section | |
| Named for | Janesville Township of Greenwood County, Kansas [1] |
The Janesville Shale or Janesville Formation is a geologic formation in Kansas, Oklahoma, and Nebraska dating to the late Carboniferous period. [1]