Ordovician - Ancell Group

Steven Dutch, Professor Emeritus, Natural and Applied Sciences, University of Wisconsin - Green Bay

Ordovician- Ancell Group
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Ordovician - Ancell Group

The Ancell Group is thin in Wisconsin and dominated by the St. Peter Sandstone, the archetypical ultra-mature quartz sandstone. It is discontinuous and absent in some areas.

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Created 11 Sep 1997, Last Update 11 January 2020