GSA Annual Meeting, November 5-8, 2001

Session No. 63
Tuesday, 6 November 2001: 8:00 AM-12:00 PM

T3. Focus on IGCP: Modern and Ancient Plate Boundaries and Orogens I: In Memory of Chris McA. Powell

GSA International Division, U.S. National Committee on the Geological Sciences, International Geologic Correlation Program projects 453, 426, 440, 436, 433

 

Suzanne M. Kay, Eldridge M. Moores and Mark Cloos, Advocates
Paper #
Start Time
0
8:00 AM
GONDWANA: THE NEXT FRONTIER FOR DEEP SEISMIC EXPLORATION
POWELL, Chris, Tectonics Special Research Center, Univ of Western Australia, Perth, 6907, Australia, BROWN, Larry D., Earth and Atmospheric Sciences, Cornell Univ, 3124 Snee Hall, Ithaca, NY 14853, KROENER, Alfred, Institut für Geowissenschaften, Johannes Gutenberg-Universität, Becherweg 21, Mainz, D-55099, Germany, WINDLEY, Brian F., Department of Earth and Planetary Sciences, Tokyo Institute of Technology, O-okayama 2-12-1, Tokyo, 152-8551, Japan and KANAO, Masaki, Department of Earth Science, National Institute of Polar Rsch, 1-9-10 Kaga, Itabashi-ku, Tokyo, 173-8515, Japan, brown@geology.cornell.edu, brown@geology.cornell.edu
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8:15 AM
EVOLUTION OF THE NORTHERN PORTION OF THE CARIBBEAN PLATE: PACIFIC ORIGIN TO BAHAMIAN COLLISION
PINDELL, James1, DRAPER, Grenville2, KENNAN, Lorcan1, STANEK, Klaus P.3 and MARESCH, Walter V., (1)Tectonic Anaysis Ltd, Cokes Barn, West Burton, Pulborough, RH20 1HD, United Kingdom, (2)Earth Sciences, Florida International University, Miami, FL 33199, United Kingdom, (3)Inst. für Geologie, TU Bergakademie Freiberg, Bernhard von Cotta Str. 2, Freiberg, D 09596, Germany, draper@fiu.edu, draper@fiu.edu
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8:30 AM
PHANEROZOIC TECTONIC EVOLUTION OF THE NORTH AMERICAN PLATE BOUNDARY IN CUBA
ITURRALDE-VINENT, Manuel A., Museo Nacional de Historia Natural, Obispo no. 61, Plaza de Armas, La Habana, 10100, Cuba, iturralde@mnhnc.inf.cu, iturralde@mnhnc.inf.cu
0
8:45 AM
ASYMMETRIC SEAFLOOR SPREADING, CRUSTAL THICKNESS VARIATIONS AND TRANSITIONAL CRUST IN CAYMAN TROUGH FROM GRAVITY
TEN BRINK, Uri S.1, COLEMAN, Dwight F.2 and DILLON, William P.1, (1)US Geol Survey, 384 Woods Hole Rd, Woods Hole, MA 02543-1598, (2)Institute for Exploration, 55 Coogan Blvd, Mystic, CT 06355-1927, tenbrink@usgs.gov, tenbrink@usgs.gov
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9:00 AM
CENOZOIC ROTATION OF THE YUCATAN (MAYA) BLOCK ALONG THE ORIZABA FAULT ZONE OF SOUTHERN MEXICO AND THE FAULTS OF CENTRAL AMERICA
BURKART, Burke, Geology, Univ Texas - Arlington, Box 19049, Arlington, TX 76019-0049 and SCOTESE, Christopher R., Geological Sciences, Univ of Texas at Arlington, 500 Yates, Arlington, TX 76019, burkart@uta.edu, burkart@uta.edu
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9:15 AM
EVOLUTION OF THE CRETACEOUS TO RECENT OROGENIC BELT OF NORTHERN VENEZUELA
SISSON, Virginia B. and AVÉ LALLEMANT, H. G., Dept. of Earth Science, Rice Univ, MS-126, Houston, TX 77005-1892, jinnys@rice.edu, jinnys@rice.edu
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9:30 AM
INTERCRATONIC OROGENS: THE CARIBBEAN AND SCOTIA ARCS
DALZIEL, Ian W.D., LAWVER, Lawrence A., GAHAGAN, Lisa M. and MANN, Paul, Institute for Geophysics, Univ of Texas at Austin, 4412 Spicewood Springs Road #600, Austin, TX 78759-8500, ian@utig.ig.utexas.edu, ian@utig.ig.utexas.edu
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9:45 AM
THE METAMORPHIC SIGNATURE OF CONFINED OROGENY AND COLLAPSE: AN EXAMPLE FROM THE NEOPROTEROZOIC ARAÇUAÍ BELT OF EASTERN BRAZIL
WHITTINGTON, Alan, Univ Illinois - Urbana- Champaign, 1301 W Green St, Urbana, IL 61801, PEDROSA-SOARES, Antônio Carlos, Institute of Geosciences, Universidade Federal de Minas Gerais, Av. Antônio Carlos, 6627, Campus Pampulha, Belo Horizonte, 31270-901 MG, Brazil, MARSHAK, Stephen, Univ Illinois - Urbana-Champaign, 1301 W Green St, Urbana, IL 61801-2999 and ALKMIM, Fernando, Departamento de Geologia da Escola de Minas, Universidade Federal de Ouro Preto, Campus do Morro do Cruzeiro, Ouro Preto, MG, 35400-000, Brazil, awhittin@uiuc.edu, awhittin@uiuc.edu
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10:00 AM
EXTENSIONAL COLLAPSE OF THE NEOPROTEROZOIC ARAÇUAÍ OROGEN, BRAZIL: THE ROLE OF REGIONAL CRENULATION CLEAVAGE
MARSHAK, Stephen1, ALKMIM, Fernando F.2, WHITTINGTON, Alan G.1 and PEDROSA-SOARES, Antônio Carlos3, (1)Dept. of Geology, Univ. of Illinois, 1301 W. Green St, Urbana, IL 61801, (2)Depto. de Geologia, Univ. Federal de Ouro Preto, Morro do Cruzeiro, Ouro Preto, M.G, 35.400, Brazil, (3)Universidade Federal de Minas Gerais-IGC-CPMTC, Campus Pampulha, Belo Horizonte, MG, 31270-901, Brazil, smarshak@uiuc.edu, smarshak@uiuc.edu
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10:15 AM
NEOPROTEROZOIC-CAMBRIAN EVOLUTION OF A CONFINED OROGEN AND ITS RELATION TO ECONOMIC MINERALIZATION: THE ARAÇUAÍ BELT, EASTERN BRAZIL
PEDROSA-SOARES, Antônio Carlos, Universidade Federal de Minas Gerais-IGC-CPMTC, Campus Pampulha, Belo Horizonte, MG, 31270-901, Brazil, ALKMIM, Fernando, Departamento de Geologia da Escola de Minas, Universidade Federal de Ouro Preto, Campus do Morro do Cruzeiro, Ouro Preto, MG, 35400-000, Brazil, WHITTINGTON, Alan, Univ Illinois - Urbana- Champaign, 1301 W Green St, Urbana, IL 61801 and MARSHAK, Stephen, Univ Illinois - Urbana-Champaign, 1301 W Green St, Urbana, IL 61801-2999, pedrosa@igc.ufmg.br, pedrosa@igc.ufmg.br
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10:30 AM
GEODYNAMIC EVOLUTION OF THE 600 MA PAN AFRICAN-BRASILIANO BELT IN CAMEROON
TOTEU, S. Felix1, PENAYE, Joseph1 and VAN SCHMUS, W. Randall2, (1)Centre for Geol and Mining Rsch, B.P. 333, Garoua, Cameroon, (2)Dept. of Geology, Univ. of Kansas, 1475 Jayhawk Blvd, Lawrence, KS 66045-7613, crgm@iccnet.cm, crgm@iccnet.cm
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10:45 AM
UMKONDO IGNEOUS PROVINCE AND MESOPROTEROZOIC UMKONDO BASIN IN EASTERN ZIMBABWE: POSSIBLE RELEVANCE TO RODINIA
MUKWAKWAMI, Joshua1, BLENKINSOP, Tom G.1, HANSON, Richard2 and MUNYANYIWA, Hubbert1, (1)Department of Geology, Univ of Zimbabwe, P.O. Box MP 167, Mount Pleasant, Harare, Zimbabwe, (2)Geology, Texas Christian Univ, Box 298830, Fort Worth, TX TX 76129, joshua@science.uz.ac.zw, joshua@science.uz.ac.zw
0
11:00 AM
THE AREQUIPA-ANTOFALLA BASEMENT (AAB): AN ORPHANED CRUSTAL BLOCK?
LOEWY, Staci, Department of Geological Sciences, The Univ of Texas at Austin, Austin, TX 78712, CONNELLY, James N., Department of Geological Sciences, The University of Texas at Austin, Austin, TX 78712, DALZIEL, Ian W.D., Institute for Geophysics, The University of Texas at Austin, 4412 Spicewood Springs Rd, Bldg. 600, Austin, TX 78759 and GOWER, Charles F., Newfoundland Department of Mines and Energy, P.O. Box 8700, St. John's, NF A1B 4J6, Canada, sloewy@mail.utexas.edu, sloewy@mail.utexas.edu
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11:15 AM
APPARENT TRUNCATION AND JUXTAPOSITION OF CAMBRIAN AND ORDOVICIAN ARC-ACCRETIONARY COMPLEXES, EASTERN SIERRAS PAMPEANAS, ARGENTINA
GROMET, L. Peter, Brown Univ, PO Box 1846, Providence, RI 02912-1846, SIMPSON, Carol, Boston Univ, 675 Commonwealth Ave, Boston, MA 02215-1406, MIRO, Roberto, Geol Survey of Argentina, Córdoba Branch, Córdoba, Argentina and WHITMEYER, Steven J., Boston Univ, 685 Commonwealth Ave, Boston, MA 02215-1406, l_gromet@brown.edu, l_gromet@brown.edu
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11:30 AM
ACCRETION OF THE ARGENTINE PRECORDILLERA TO WESTERN GONDWANA
THOMAS, William A., Department of Geological Sciences, Univ of Kentucky, 101 Slone Bldg, Lexington, KY 40506 and ASTINI, Ricardo A., Cátedra de Estratigrafía y Geología Histórica, Universidad Nacional de Córdoba, Av. Vélez Sársfield 299, CC 395, Córdoba, 5000, Argentina, geowat@pop.uky.edu, geowat@pop.uky.edu
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11:45 AM
NEOGENE SHALLOW SUBDUCTION SEGMENTS IN THE CHILEAN/ARGENTINE ANDES AND ANDEAN-TYPE MARGINS
KAY, Suzanne M., Dept. Geological Sciences, Cornell Univ, Snee Hall, Ithaca, NY 14853 and MANCELLA, Oscar, Repsol-YPF, Buenos Aires, Argentina, SMK16@Cornell.edu, SMK16@Cornell.edu
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