Brown Early Proterozoic tectonic style in centra! Wisconsin . R. S. Maass Lower Proterozoic stratified rocks... granites, and related rocks of southcentral Wisconsin, U.S.A. Eugene I. Smith The Proterozoic red quartzite...Proterozoic Symposium was held at the University of Wisconsin, Madison, on May 18-21, 1981, to dedicate the...Geophysics University of Wisconsin—Madison 1215 W. Dayton St. Madison, Wisconsin 53706 During the past...1914 and named for the Penokee Range in northern Wisconsin. Blackwelder originally assigned a post-Keweenawan |