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)
TypeFormation
Unit ofAdmire Group[1]
Sub-unitsFive Point Limestone,
Hamlin Shale,
West Branch Shale
Lithology
PrimaryShale
OtherLimestone
Location
RegionKansas, Oklahoma, Nebraska
CountryUnited States
Type section
Named forJanesville Township of Greenwood County, Kansas[1]

See also

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References

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  1. ^ a b c "Geologic Unit: Speiser". National Geologic Database. Geolex — Unit Summary. United States Geological Survey. Retrieved 2020-12-24.