SPECIAL VOLUME PROTEROZOIC PALEOMAGNETISM AND PALEOQGEOGRAPHY Edited by TULLIS C. ONSTOTT Princeton University, Department of Geology and Geophysics, Guyot Hall, Princeton, NJ 08544, USA CONTENTS Preface Integrated paleomagnetic and U-Pb geochronologic studies of mafic intrusions in the southern Canadian Shield: implications for the Early Proterozoic polar wander path K.L. Buchan, J.K. Mortensen and K.D. Card Proterozoic rotation of the Peter Lake domain in the Trans-Hudson orogen of Saskatchewan, Canada, deduced from paleomagnetism D.T.A. Symons Preliminary results of a palaeomagnetic and rock magnetic study of the Proterozoic Tsuomasvarri intrusions, northern Fennoscandia S. Mertanen and L.J. Pesonen Palaeomagnetism of the Mesoproterozoic Grgnnedal—ika alkaline complex, Southwest Greenland J.D.A. Piper Palaeomagnetism of Precambrian rocks in northern Sweden and its correlation to radiometric data S.-A. Elming Palaeomagnetism of the Late Precambrian Vads@ and Barents Sea Groups, Varanger Peninsula, Norway Paleomagnetism of the Late Archean Nyanzian System, western Kenya J.G. Meert, R.V.d. Voo and J. Patel Palaeomagnetism and magnetic anisotropy of Proterozoic banded-iron formations and iron ores of the Hamersley Basin, Western Australia P.W. Schmidt and D.A. Clark Paleomagnetism of Precambrian dike swarms in the Harohalli area, south of Bangalore, India E.M. Dawson and R.B. Hargraves Markers of the last stages of the Palaeoproterozoic collision: evidence for a 2 Ga continent involving circum-South Atlantic provinces P. Ledru, V. Johan, J.P. Milési and M. Tegyey Paleomagnetism of the Schuller and Franspoort kimberlite pipes in South Africa and an improved Premier pole S.K. Doppelhammer and R.B. Hargraves The Archaean/Proterozoic contact zone in West Africa: a mountain belt of décollement thrusting and folding on a continental margin related to 2.1 Ga convergence of Archaean cratons? J.-L. Feybesse and J.-P. Milési New Palaeomagnetic results from the northern Bushveld Complex of South Africa Pec FINES PIII oo 5csc ss ccccvevevesnacedanceitsevusbausaadinenssionekidadien taatrcbistuisexasaspastéekalewscibisnseas ieseesaedtentevacniade 229 Palaeomagnetism of Proterozoic mafic intrusions and host rocks of the Mount Isa Inlier, Australia: revisited H. Tanaka and M. Idnurm Paleomagnetism of some Indian kimberlites and lamproites K.C. Miller and R.B. Hargraves A palaeomagnetic study of the Umvimeela Dyke, Zimbabwe: evidence for a Mesoproterozoic overprint M.F. Mushayandebvu, D.L. Jones and .'.C. Briden Palaeomagnetic and petrological reconstruction of the Seychelles K. Suwa, K. Tokieda and M. Hoshino Review of Precambrian—Palaeozoic relationships at the craton margins of southeastern Australia and adjacent Antarctica T. Fléttmann and R. Oliver Structure, evolution and palaeogeography of the West African craton and bordering belts during the Neoproterozoic M. Villeneuve and J.J. Cornée Palaeogeographical reconstructions of the Pan-African/Brasiliano orogen: closure of an oceanic domain or intracontinental convergence between major blocks? C. Castaing, J.L. Feybesse, D. Thiéblemont, C. Triboulet and P. Chévremont