The Trempealeau Formation is an Upper Cambrian[2] geologic formation in Wisconsin. It contains graptolites.[3]

Trempealeau Formation
Stratigraphic range: Upper Cambrian
TypeFormation
Lithology
PrimaryDolomite[1]
Location
Region Wisconsin
Country United States

See also

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References

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  1. ^ Randall L Milstein (1989). "Subsurface Stratigraphy of Cambrian Rocks in the Southern Peninsula of Michigan: Michigan Basin" (PDF). Lansing, Michigan: Michigan Department of Natural Resources.
  2. ^ "Trempealeau Formation". USGS.
  3. ^ Rudolf Ruedemann (1947). Graptolites of North America. ISBN 9780813710198.