2007 GSA Denver Annual Meeting (28–31 October 2007)
Session No. 34 Sunday, 28 October 2007
1:30 PM-5:30 PM, Colorado Convention Center: 605/607

P7. Pulse of the Earth: Geochronology and Paleomagnetism of Large Igneous Provinces—The Key to Reconstructing Precambrian Supercontinents

David A.D. Evans and Joseph G. Meert, Presiding
 Paper #Start Time
34-11:30 PM THE MAGMATIC PULSE OF THE EARTH: A POWERFUL RECORD OF GEODYNAMIC AND TECTONIC INDICATORS, THROUGH TIME AND SPACE, AND THE ULTIMATE KEY TO PALEOGEOGRAPHIC RECONSTRUCTIONS OF ANCIENT CONTINENTS BACK TO 2.6 GA: BLEEKER, Wouter, Geological Survey of Canada, 601 Booth Street, Ottawa, ON K1A 0E8, Canada, wbleeker@nrcan.gc.ca and ERNST, Richard E., Ernst Geosciences, and Department of Earth Sciences, Carleton University, 43 Margrave Avenue, Ottawa, ON K1T 3Y2, Canada
34-21:50 PM GLOBAL RECORD OF LARGE IGNEOUS PROVINCES [LIPS] AND ITS USE IN PALEOCONTINENTAL RECONSTRUCTIONS: ERNST, Richard E., Ernst Geosciences (and Dept. Earth Sci., Carleton Univ., Ottawa), 43 Margrave Ave, Ottawa, ON K1T 3Y2, Canada, Richard.Ernst@ErnstGeosciences.com and BLEEKER, Wouter, Geological Survey Canada, 601 Booth St, Ottawa, ON K1A 0E8, Canada
34-32:10 PM HIGH-PRECISION U-PB GEOCHRONOLOGY OF LARGE IGNEOUS PROVINCES: BOWRING, Samuel A.1, SCHOENE, Blair2, RAMEZANI, Jahandar1, RIOUX, Matthew1, and HANSON, Richard E.3, (1) Dept. of Earth, Atmospheric and Planetary Sciences, Massachusetts Institute of Technology, Cambridge, MA 02139, sbowring@mit.edu, (2) Département de Minéralogie, Université de Genève, Genève, Ch-1205, Switzerland, (3) Dept. of Geology, Texas Christian University, Fort Worth, TX 76129
34-42:30 PM INSITU MICRO-BADDELEYITE U-PB DATING METHOD: ‘AN AGE FROM ANY DIKE': CHAMBERLAIN, Kevin R.1, HARRISON, T. Mark2, SCHMITT, Axel K.2, HEAMAN, Larry M.3, SWAPP, Susan M.1, KHUDOLEY, Andrei K.4, SEARS, James W.5, and PROKOPIEV, Andrei V.6, (1) Dept. of Geology and Geophysics, University of Wyoming, 1000 E. University Ave., Dept 3006, Laramie, WY 82071, kchamber@uwyo.edu, (2) Department of Earth and Space Sciences, UCLA, Los Angeles, CA 90095-1567, (3) Dept. of Earth and Atmospheric Sciences, University of Alberta, Edmonton, AB T6G 2E3, Canada, (4) Geological Department, St. Petersburg State University, University nab. 7/9, St. Petersburg, 199034, Russia, (5) Geosciences, University of Montana, Missoula, MT 59812, (6) Tectonics, Diamond and Precious Metal Geology Institute, 39, Lenin Avenue, Yakutsk, 677980, Russia
34-52:50 PM GEOCHRONOLOGY OF LARGE IGNEOUS PROVINCES: RENNE, Paul R., Berkeley Geochronology Ctr, 2455 Ridge Road, Berkeley, CA 94709, prenne@bgc.org
34-63:10 PM CURRENT STATUS OF PRECAMBRIAN PALEOGEOGRAPHIC RECONSTRUCTIONS: PISAREVSKY, Sergei A., School of GeoSciences, Univ of Edinburgh, Grant Institute, King's Buildings, West Mains Road, Edinburgh, EH9 3JW, United Kingdom, Sergei.Pisarevsky@ed.ac.uk and EVANS, David A.D., Department of Geology and Geophysics, Yale University, P.O. Box 208109, New Haven, CT 06520-8109
34-73:30 PM PALEOMAGNETISM OF PRECISELY-DATED MAFIC MAGMATIC EVENTS AND THE DRIFT OF SUPERIOR AND SLAVE CRATONS IN THE PALEOPROTEROZOIC: BUCHAN, Kenneth L.1, VAN BREEMEN, Otto1, and LECHEMINANT, Anthony N.2, (1) Geological Survey of Canada, 601 Booth St, Ottawa, ON K1A 0E8, Canada, kbuchan@nrcan.gc.ca, (2) Petrogen Consultants, 5592 Van Vliet Rd, Manotick, ON K4M 1J4, Canada
34-83:50 PM PROTEROZOIC INTRAPLATE IGNEOUS PROVINCES IN SOUTHERN AFRICA: THE NEED FOR INTEGRATED PALEOMAGNETIC AND GEOCHRONOLOGICAL STUDIES: HANSON, Richard, Department of Geology, Texas Christian University, TCU Box 298830, Fort Worth, TX 76129, r.hanson@tcu.edu, GOSE, Wulf, Department of Geological Sciences, Jackson School for Geosciences, University of Texas, Austin, TX 78712, and BOWRING, Samuel, Dept. Earth, Atm. & Planet. Sci, Massachusetts Institute of Technology, Cambridge, MA 02139
34-94:10 PM PRECAMBRIAN GEOMAGNETIC FIELD: INTENSITY, MORPHOLOGY AND STABILITY: SMIRNOV, Aleksey, Geological and Mining Engineering and Sciences, Michigan Technological University, Houghton, MI 49931, smirnovalexei@hotmail.com and EVANS, David A.D., Department of Geology and Geophysics, Yale University, P.O. Box 208109, New Haven, CT 06520-8109
34-104:30 PM SUPERCONTINENTS AND MINERAL DEPOSITS: GOLDFARB, Richard J., United States Geological Survey, Box 25046, MS 973, Denver, CO 80225, goldfarb@usgs.gov, LEACH, David L., USGS, MS973, Denver Federal Center, Denver, CO 80225, KERRICH, Robert, Geological Sciences, University of Saskatchewan, 114 Science Place, Saskatoon, SK S7N 5E2, Canada, and GROVES, David I., Centre for Exploration Targeting, University of Western Australia, Crawley, WA, 6009, Australia
34-114:50 PM SUPERCONTINENT CYCLES, TRUE POLAR WANDER, AND VERY LONG-WAVELENGTH MANTLE CONVECTION: ZHONG, Shijie1, ZHANG, Nan1, LI, Zheng-Xiang2, and ROBERTS, James H.3, (1) Department of Physics, University of Colorado, Department of Physics, University of Colorado, Boulder, CO 80309, szhong@colorado.edu, (2) Department of Applied Geology, Curtin University of Techology, Department of Applied Geology, Curtin University of Techology, Perth, WA 6845, Australia, (3) Department of Earth and Planetary Sciences, University of California at Santa Cruz, Department of Earth and Planetary Sciences, University of California at Santa Cruz, Santa Cruz, CA 95064
34-125:10 PM CONTRASTING MODES OF SUPERCONTINENT FORMATION AND THE CONUNDRUM OF PANGEA: MURPHY, J. Brendan, Department of Earth Sciences, St. Francis Xavier University, Antigonish, NS B2G 2W5, Canada, bmurphy@stfx.ca and NANCE, R. Damian, Department of Geological Sciences, Ohio University, Athens, OH 45701

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