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Steven Dutch, Natural and Applied Sciences, University
of Wisconsin - Green Bay
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Ordovician- Sinnipee Group Start Series Previous (Earlier) Next (Later) View Text |
Ordovician - Sinnipee Group
The Sinnipee group consists of three formations, all dolostone. From top to bottom they are the Galena, Decorah and Platteville. They form escarpments here and there but are not as prominent as the Niagara Escarpment because of burial by glacial deposits.
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Created 11 Sep 1997, Last Update 17 July 2003
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