The Trempealeau Formation is an Upper Cambrian[2] geologic formation in Wisconsin. It contains graptolites.[3]
Trempealeau Formation | |
---|---|
Stratigraphic range: | |
Type | Formation |
Lithology | |
Primary | Dolomite[1] |
Location | |
Region | Wisconsin |
Country | United States |
See also
editReferences
edit- ^ 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.
- ^ "Trempealeau Formation". USGS.
- ^ Rudolf Ruedemann (1947). Graptolites of North America. ISBN 9780813710198.