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2007 GSA Denver Annual Meeting (28–31 October 2007)

Session No. 104
Monday, 29 October 2007: 1:30 PM-5:30 PM

T103. Pulse of the Earth: Geochronology and Paleomagnetism of Large Igneous Provinces, the Key to Reconstructing Precambrian Supercontinents

Precambrian [At Large]; IGCP Project 509, Paleoproterozoic Supercontinents and Global Evolution

 

David A.D. Evans, Joseph G. Meert, Kevin R. Chamberlain and Stephen S. Harlan, Advocates
Paper #
Start Time
1
1:30 PM
REARRANGING VAALBARA WITH NEW GEOCHRONOLOGICAL AND PALEOMAGNETIC DATA FROM THE NEOARCHEAN VENTERSDORP SUPERGROUP OF SOUTHERN AFRICA
DE KOCK, Michiel O.1, EVANS, David A.D.1, BEUKES, Nicholas J.2, GUTZMER, Jens2 and ARMSTRONG, Richard A.3, (1)Geology and Geophysics, Yale University, 210 Whitney Ave, New Haven, CT 06511, (2)Geology, University of Johannesburg, PO Box 524, Auckland Park, 2006, South Africa, (3)Research School of Earth Sciences, Australian National University, Canberra, 0200, Australia, michiel.dekock@yale.edu, michiel.dekock@yale.edu
2
1:50 PM
A PALEOMAGNETIC RESTUDY OF THE KAMINAK DIKE SWARM, NUNAVUT, CANADA
RAUB, Theresa M.D.1, RAUB, Timothy D.1 and EVANS, David A.D.2, (1)Division of Geological and Planetary Sciences, California Institute of Technology, 1200 E. California Blvd, Caltech 170-25, Pasadena, CA 91125, (2)Department of Geology and Geophysics, Yale University, New Haven CT 06520-8109, USA, New Haven, CT 06520, theresa.raub@yale.edu, theresa.raub@yale.edu
3
2:05 PM
KEY PALEOMAGNETIC POLE FROM THE WOONGARRA / WEELI WOLLI LARGE IGNEOUS PROVINCE, PILBARA CRATON, AUSTRALIA: A LINK BETWEEN SUPERCRATONS?
EVANS, David A.D., Department of Geology and Geophysics, Yale University, New Haven CT 06520-8109, USA, New Haven, CT 06520, dai.evans@yale.edu, dai.evans@yale.edu
4
2:20 PM
NEW INSIGHTS INTO 1.87 GA INTRAPLATE MAGMATISM AND THE APPARENT POLAR WANDER PATH OF THE KAAPVAAL CRATON AS DRAWN FROM THE SOUTPANSBERG GROUP
DE KOCK, Michiel O.1, DORLAND, Herman C.2, EVANS, David A.D.3, BEUKES, Nicholas J.2 and GUTZMER, Jens2, (1)Geology and Geophysics, Yale University, 210 Whitney Ave, New Haven, CT 06511, (2)Geology, University of Johannesburg, PO Box 524, Auckland Park, 2006, South Africa, (3)Department of Geology and Geophysics, Yale University, New Haven CT 06520-8109, USA, New Haven, CT 06520, michiel.dekock@yale.edu, michiel.dekock@yale.edu
5
2:35 PM
PRECISE 1.59 GA AGE FOR WESTERN CHANNEL DIABASE, WOPMAY OROGEN: IMPLICATIONS FOR LAURENTIA APWP AND RECONSTRUCTIONS OF LAURENTIA, BALTICA AND GAWLER CRATON
HAMILTON, Mike A., Department of Geology, University of Toronto, 22 Russell St, Toronto, ON M5S 3B1, Canada and BUCHAN, Kenneth L., Geological Survey of Canada, 601 Booth St, Ottawa, ON K1A 0E8, Canada, mahamilton@geology.utoronto.ca, mahamilton@geology.utoronto.ca
6
2:55 PM
NEW PALEOMAGNETIC AND ISOTOPIC DATA FROM MESOPROTEROZOIC BASIC SILLS AND DYKES OF THE ANABAR UPLIFT (NORTHERN SIBERIA) AND THEIR IMPLICATION FOR THE SIBERIA-LAURENTIA CONNECTION
PAVLOV, Vladimir, Main Geomagnetic Field, Institute of Physics of the Earth, RAS, 10, B.Gruzinskaya, Moscou, 123995, Russia, VESELOVSKIY, Roman, Main Geomagnetic Field, Institute of Physics of the Earth, 10, B.Gruzinskaya, Moscou, 123995, Russia and PETROV, Peter, Precambrian Stratigraphy, Geological Institute, RAS, 7, Pyzhevsky Lane, Moscou, 119017, Russia, pavlov-home@rambler.ru, pavlov-home@rambler.ru
7
3:10 PM
SOUTH AMERICAN CRATONS AND THEIR ROLE IN PROTEROZOIC SUPERCONTINENTS
TRINDADE, Ricardo I.F., Departamento de Geofisica, IAG/USP, Rua do Matao,1226, Cidade Universitaria, Sao Paulo, SP 05508-090, Brazil, rtrindad@iag.usp.br, rtrindad@iag.usp.br
 
3:30 PM
Break
8
3:45 PM
TESTING PROTEROZOIC SUPERCONTINENTS: NEW PALEOMAGNETIC DATA FROM FINLAND
PESONEN, Lauri J., SALMINEN, Johanna and DAYIOGLU, Selen, Physical Sciences, Division of Geophysics, University of Helsinki, PO Box 64, 00014 University of Helsinki, Helsinki, 00014, Finland, lauri.pesonen@helsinki.fi, lauri.pesonen@helsinki.fi
9
4:00 PM
INDIA'S PLACE IN THE PROTEROZOIC WORLD: CONSTRAINTS FROM THE LARGE IGNEOUS PROVINCE [LIP] RECORD
ERNST, Richard E., Ernst Geosciences (and Dept. Earth Sci., Carleton Univ., Ottawa), 43 Margrave Ave, Ottawa, ON K1T 3Y2, Canada and SRIVASTAVA, Rajesh K., Banaras Hindu University, Varanasi, 221 005, India, Richard.Ernst@ErnstGeosciences.com, Richard.Ernst@ErnstGeosciences.com
10
4:15 PM
PALEOMAGNETISM AND GEOCHRONOLOGY OF NEOPROTEROZOIC INTRAPLATE IGNEOUS ROCKS IN THE SW KALAHARI CRATON, NAMIBIA AND SOUTH AFRICA
GOSE, Wulf A.1, HANSON, Richard2, RIOUX, Matthew3, BARTHOLOMEW, Taylor2, BOWRING, Samuel A.3, DUNNETT, Tim4, HOFFMANN, Karl Heinz5 and REID, David L.6, (1)Geological Sciences, University of Texas at Austin, Austin, TX 78712, (2)Department of Geology, Texas Christian University, TCU Box 298830, Fort Worth, TX 76129, (3)Dept. of Earth, Atmospheric, and Planetary Sciences, Massachusetts Institute of Technology, Cambridge, MA 02139, (4)Geological Sciences, University of Cape Town, Cape Town, South Africa, (5)Geological Survey of Namibia, Windhoek, Namibia, (6)Department of Geological Sciences, University of Cape Town, Cape Town, South Africa, wulf@mail.utexas.edu, wulf@mail.utexas.edu
11
4:30 PM
THE ARABO-NUBIAN SHIELD AND SINAI WERE WELD AT HIGH SUB-ANTARCTIC LATITUDES IN THE LATE PROTEROZOIC:A PALEOMAGNETIC STUDY ON THE DIKE SWARMS (CA 590MA) IN THE NORTH EASTERN DESERT AND SINAI, EGYPT
LOTFY, Hamza Ibrahim, Geology, El-Minia University, Egypt, Department of Geology, Faculty of Science, El-Minia University, El-Minia, Egypt, El-Minia, 61519, Egypt, Hiloutfy@yahoo.com, Hiloutfy@yahoo.com
12
4:45 PM
TERMINATION OF THE EMEISHAN FLOOD VOLCANISM AND RELATIONSHIPS TO THE END-GUADALUPIAN MASS EXTINCTION: SHRIMP DATING OF DETRITAL ZIRCONS FROM THE POST-VOLCANIC XUANWEI FORMATION, SW CHINA
BIN, He, XU, Yi-Gang and HUANG, Xiao-Long, Key Laboratory of Isotope Geochronology and Geochemistry, Guangzhou Institute of Geochemistry, Chinese Academy of Science, Guangzhou, 510640, China, hebin@gig.ac.cn, hebin@gig.ac.cn
13
5:00 PM
LARGE IGNEOUS PROVINCES (LIPS) AND GLOBAL ENVIRONMENTAL PERTURBATIONS: THE APTIAN ONTONG JAVA-HIKURANGI-MANIHIKI PLATEAU EVENT
ARTHUR, Michael A.1, BRALOWER, Timothy2 and LI, Yong-Xiang1, (1)Department of Geosciences, Pennsylvania State University, University Park, PA 16802, (2)Dept. of Geosciences, Pennsylvania State Univ, State College, PA 16802, arthur@geosc.psu.edu, arthur@geosc.psu.edu
 
5:15 PM
Discussion
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