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Geologic formation in Kansas, Oklahoma, and Nebraska From Wikipedia, the free encyclopedia
The Janesville Shale or Janesville Formation is a geologic formation in Kansas, Oklahoma, and Nebraska dating to the late Carboniferous period.[1]
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] |
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