Tectono-stratigraphic evolution of the Early Proterozoic Wisconsin magmatic terranes of the Penokean Orogen Sims, P. K. ; Schmus, W. R. Van ; Schulz, K. J. ; Peterman, Z. E. Abstract Publication: Canadian Journal of Earth Sciences Pub Date: 1989 DOI: 10.1139/e89-180 Bibcode: 1989CaJES..26.2145S