Precambrian Research A EVIER Precambrian Research 157 (2007) v—vi www.elsevier.com/locate/precamres Special Issue Proterozoic tectonic and crustal evolution of the Upper Great Lakes region, North America Guest Editors: Daniel K. Holm, David Schneider and Val W. Chandler CONTENTS Proterozoic tectonic and crustal evolution of the Upper Great Lakes region, North America D.K. Holm, D. Schneider and V.W. Chandler The Penokean orogeny in the Lake Superior region K.J. Schulz and W.F Cannon Penokean tectonics along a promontory-embayment margin in east-central Minnesota V.W. ChandlerT,. J. Boerboom and M.A. Jirsa Structure, geochemistry and geochronology of a Penokean Lamprophyre Dike Swarm, Archean Wawa Terrane, Little Presque Isle, Michigan, USA J.P. Craddock, J. Anziano, K. Wirth, J.D. Vervoort, B. Singer and X. Zhang Reinterpretation of Paleoproterozoic accretionary boundaries of the north-central United States based on a new aeromagnetic-geologic compilation NICE (Northern Interior Continental Evolution) Working Group, D.K. Holm, R. AndersonT,. J. Boerboom, W.F Cannon, V. Chandler, M. Jirsa, J. Miller, D.A. Schneider, K.J. Schulz and W.R. Van Schmus New insights into the southern margin of the Archean-Proterozoic boundary in the north-central United States based on U-Pb, Sm-Nd, and Ar-Ar geochronology W.R. Van Schmus, D.A. Schneider, D.K. Holm, S. Dodson and B.K. Nelson Proterozoic metamorphism and cooling in the southern Lake Superior region, North America and its bearing on crustal evolution D.K. Holm, D.A. Schneider, S. Rose, C. Mancuso, M. McKenzie, K.A. Foland and K.V. Hodges Geochronology of Proterozoic metamorphism in the deformed Southern Province, northern Lake Huron region, Canada P. Piercey, D.A. Schneider and D.K. Holm Late Paleoproterozoic (geon 18 and 17) reactivation of the Neoarchean Great Lakes Tectonic Zone, northern Michigan, USA: Evidence from kinematic analysis, thermobarometry and “°Ar/%Ar geochronology E. Tohver, D.K. Holm, B.A. van der Pluijm, E.J. Essene and FW. Cambray Thermal history of low metamorphic grade Paleoproterozoic sedimentary rocks of the Penokean orogen, Lake Superior region: Evidence for a widespread 1786 Ma overprint based on xenotime geochronology D.A. Vallini, W.F Cannon, K.J. Schulz and N.J. McNaughton Two Paleoproterozoic (Statherian) siliciclastic metasedimentary sequences in central WisconsinT:h e end of the Penokean Orogeny and cratonic stabilization of the southern Lake Superior region L.G. Medaris Jr., W.R. Van Schmus, J. Loofboro, PJ. Stonier, X. Zhang, D.K. Holm, B.S. Singer and Pes EE Oe Fo 6 00:68 a0 0.04 ba kw obaas SES Cpls OS Uw dS ENCED ETA EEDA OE ReeeE Cheer ees Geometry and folding history of the Baraboo Syncline: Implications for the Mazatzal Orogeny in the north-central U.S. D.M. Czeck and C.J. Ormand doi: 10.1016/S0301-9268(07)0017 1-4 vi Contents Erratum to “Tectonic implications of finite strain variations in Baraboo-interval quartzites (ca. 1700 Ma), Mazatzal orogen, Wisconsin and Minnesota, USA” [Precambrian Res. 156 (2007) 175-194] ETTee eee ee TT eT Te TT Te eT eee ee eee 214 U-Pb geochronology of the Wolf River batholith, north-central Wisconsin: Evidence for successive magmatism between 1484 Ma and 1468 Ma as i ks lg aid Sal Wg Shs lb kh wee KAW RN RR EO bie Me eee we 215 The magmatic evolution of the Midcontinent rift: New geochronologic and geochemical evidence from felsic magmatism J.D. Vervoort, K. Wirth, B. Kennedy,T . Sandland and K.S. Harpp ...0.... .cec.e .ee e.e e ee 235 The Sonju Lake layered intrusion, northeast Minnesota: Internal structure and emplacement history inferred from magnetic fabrics 5.m. ees, G. Timon, ©.C. Ferre, RE. Grown and J.D. Miller UF. ow ccc cece ccc rccccccsscceses 269 Deep faulting and structural reactivation beneath the southern Illinois basin J.H. McBride, H.E. Leetaru, R.A. Bauer, B.E. Tingey and S.E.A. Schmidt 289 | |