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Eau Claire Formation: Difference between revisions

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[[Category:Cambrian System of North America]]
[[Category:Cambrian System of North America]]
[[Category:Cambrian southern paleotemperate deposits]]
[[Category:Cambrian southern paleotemperate deposits]]
[[Category:Cambrian southern paleotropical deposits]]





Revision as of 17:44, 29 March 2017

Eau Claire Formation
Stratigraphic range: Cambrian
TypeFormation
UnderliesGalesville Sandstone or Potosi Dolomite
OverliesMount Simon Sandstone
Thickness400 to 1000 feet in Indiana[1]
Lithology
PrimarySandstone
OtherSiltstone, shale, dolomite
Location
RegionIndiana, Illinois, Wisconsin, Michigan, western Ohio, and western Kentucky. Equivalent to the Bonneterre Formation in Missouri[1]
CountryUnited States
Type section
Named forOutcrops along the Eau Claire River, Eau Claire County, Wisconsin[1]
Named byE. O. Ulrich

The Eau Claire Formation is a geologic formation in the north central United States. It preserves trilobite fossils from the Cambrian Period.[1]

See also

References

  1. ^ a b c d "Eau Claire Formation". Indiana Geological Survey. Retrieved 2015-05-18.