Rock Types of Wisconsin

Steven Dutch University of Wisconsin - Green Bay

wirktype.gif (6204 bytes) The map at left is simplified from the Geologic Map of Wisconsin and shows the distribution of igneous, sedimentary and metamorphic rocks in Wisconsin.
wilith.gif (11789 bytes) The map at left, also simplified from the Geologic Map of Wisconsin, shows the distribution of principal rock varieties in Wisconsin.

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Created 10 Sept 1997, Last Update 10 Sept 1997