CALL FOR PROPOSALS:

ORGANIZERS

  • Harvey Thorleifson, Chair
    Minnesota Geological Survey
  • Carrie Jennings, Vice Chair
    Minnesota Geological Survey
  • David Bush, Technical Program Chair
    University of West Georgia
  • Jim Miller, Field Trip Chair
    University of Minnesota Duluth
  • Curtis M. Hudak, Sponsorship Chair
    Foth Infrastructure & Environment, LLC

 

Start |Author Index | View Uploaded Presentations | Meeting Information
Session No. 200
Tuesday, 11 October 2011: 1:30 PM-5:30 PM
Room 200H-J (Minneapolis Convention Center)

T1. Oceanic and Juvenile Continental Crust Formation in the Precambrian

GSA Mineralogy, Geochemistry, Petrology, and Volcanology Division; GSA Structural Geology and Tectonics Division; GSA International Section; Precambrian [At Large]; Geochemical Society; Mineralogical Society of America

 

Yildirim Dilek, Harald Furnes and A. Polat, Advocates
Paper #
Start Time
 
1:30 PM
Introductory Remarks
1
1:45 PM
DID EARLY ARCHEAN CONTINENTAL CRUST FORM WITHOUT PLATE TECTONICS?
CONDIE, Kent C., Dept of Earth & Environmental Science, New Mexico Tech, MSEC 208, 801 Leroy Place, Socorro, NM 87801, kcondie@nmt.edu, kcondie@nmt.edu
2
2:05 PM
LINKING THE STABLE ISOTOPE EVOLUTION OF SEAWATER TO MODES OF CRUSTAL EVOLUTION
GREGORY, Robert T., Roy M. Huffington Department of Earth Sciences, Southern Methodist University, Dallas, TX 75275-0395 and BANERJEE, Sandeep, Huffington Department of Earth Sciences, Southern Methodist University, 3225 Daniel Avenue, Dallas, TX 75275, bgregory@smu.edu, bgregory@smu.edu
3
2:20 PM
THE LIMITS OF UNIFORMITARIANISM: REASONS TO CONSIDER ALTERNATIVE TECTONIC STYLES ON ARCHEAN EARTH
BJORNERUD, Marcia G., Deptartment of Geology, Lawrence University, 711 E. Boldt Way, Appleton, WI 54911, marcia.bjornerud@lawrence.edu, marcia.bjornerud@lawrence.edu
4
2:35 PM
THE PALEOARCHEAN ONVERWACHT SUITE OF THE BARBERTON GREENSTONE BELT (SOUTH AFRICA) AS AMALGAMATED OCEANIC CRUST AND ISLAND ARCS
FURNES, Harald, Department of Earth Science & Centre for Geobiology, University of Bergen, Allegaten 41, Bergen, 5007, Norway, DILEK, Yildirim, Department of Geology & Environmental Earth Science, Miami University, Shideler Hall, Patterson Avenue, Oxford, OH 45056 and ROBINS, Brian, Department of Earth Science, University of Bergen, Allegaten 41, Bergen, 5007, Norway, harald.furnes@geo.uib.no, harald.furnes@geo.uib.no
5
2:55 PM
KARASJOK-TYPE KOMATIITES AND ASSOCIATED VOLCANIC ROCKS IN THE PALEOPROTEROZOIC OF SOUTHEASTERN BAFFIN ISLAND, CANADA: FIELD RELATIONSHIPS AND CONSTRAINTS ON PETROGENESIS
KEIM, Rae Dawn1, ANSDELL, Kevin M.1, SANBORN-BARRIE, Mary2 and YOUNG, M.D.3, (1)Department of Geological Sciences, University of Saskatchewan, 114 Science Place, Saskatoon, SK S7N 5E2, Canada, (2)Geological Survey of Canada, 601 Booth Street, Ottawa, ON K1A OE8, Canada, (3)Department of Earth Sciences, Dalhousie University, 1459 Oxford Steet, Halifax, NS B3H 4R2, Canada, rdk503@mail.usask.ca, rdk503@mail.usask.ca
 
3:10 PM
Discussion
 
3:25 PM
Break
6
3:40 PM
RODINIA, COEVAL JUVENILE CRUST FORMATION AND THEIR PALEOZOIC LEGACIES
MURPHY, J. Brendan, Department of Earth Sciences, St. Francis Xavier University, Antigonish, NS B2G 2W5, Canada and NANCE, R. Damian, Department of Geological Sciences, Ohio University, Athens, OH 45701, bmurphy@stfx.ca, bmurphy@stfx.ca
7
4:00 PM
PHANEROZOIC CRUSTAL GROWTH IN OCEANIC TURBIDITE-DOMINATED OROGENS OF GONDWANA: INSIGHTS INTO PRECAMBRIAN CRUSTAL GROWTH PROCESSES
FOSTER, David A., Department of Geological Sciences, University of Florida, Gainesville, FL 32611 and MUELLER, Paul A., Department of Geological Sciences, University of Florida, 241 Williamson Hall, Gainesville, FL 32611-2120, dafoster@ufl.edu, dafoster@ufl.edu
8
4:15 PM
COMPARING THE VOLCANOLOGY AND GEOCHEMISTRY OF NEOARCHEAN VMS-ENDOWED AND VMS-DEPRIVED GREENSTONE BELTS IN THE WAWA SUBPROVINCE OF THE SUPERIOR CRATON
LODGE, Robert W.D., Mineral Exploration Research Centre, Department of Earth Science, Laurentian University, 935 Ramsey Lake Road, Sudbury, ON P3E 2C6, Canada, GIBSON, Harold, Mineral Exploration Research Centre, Department of Earth Sciences, Laurentian University, 935 Ramsey Lake Road, Sudbury, ON P3E 2C6, Canada and STOTT, Greg M., Ontario Geological Survey (Ret.), Stott Geoconsulting Ltd, 92 Crater Crescent, Sudbury, ON P3E 5Y6, Canada, rx_lodge@laurentian.ca, rx_lodge@laurentian.ca
9
4:30 PM
CRUSTAL EVOLUTION OF THE NEOPROTEROZOIC OPHIOLITES IN SOUTH AMERICA
PAIXÃO, Marco A.P., Instituto Federal de Goiás - IFG, Rua 75, n° 46, Setor Central, Goiânia - GO, 74674-280, Brazil and DANTAS, Elton Luiz, Instituto de Geociencias, Universidade de Brasilia, Brasilia, 70910900, Brazil, mappaixao@ifg.edu.br, mappaixao@ifg.edu.br
10
4:45 PM
ORIGIN OF DOKHAN VOLCANICS, EASTERN DESERT OF EGYPT, AS REVEALED BY PEARCE ELEMENT RATIOS
LONG, Leon E., Department of Geological Sciences, Jackson School of Geosciences, University of Texas, Austin, TX 78712 and HASSAN, Adel M., Department of Geology, Tanta University, Tanta, Egypt, leonlong@jsg.utexas.edu, leonlong@jsg.utexas.edu
 
5:00 PM
Concluding Remarks
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