Type Geological formation Country United States Named for Waubeka, Wisconsin | Underlies Thiensville Formation Primary Dolostone Overlies Racine Formation | |
Thickness 18 to 33 meters (59 to 108 feet) Region Eastern Wisconsin, at the boundary of the Wisconsin Arch and the Michigan Basin Extent Milwaukee, Ozaukee, and Sheboygan Counties, Wisconsin | ||
The Waubakee Formation (also referred to as the Waubakee Limestone or Waubakee Dolostone) is a unit of marine sedimentary rock found in eastern North America. Named for distinctive outcrops along the banks of the Milwaukee River near the village of Waubeka, Wisconsin, in the United States. The unit is composed primarily of fine-grained dolomicrite that is finely laminated and conspicuously unfossiliferous. Owing to the lack of useful index fossils, its age is not well constrained, though most scientists consider it the youngest Silurian stratigraphic unit in Wisconsin.
References
Waubakee Formation Wikipedia(Text) CC BY-SA