Session No. 179 Thursday, November 8, 2001

1:30 PM-5:30 PM, Hynes Convention Center: 208
Precambrian Potpourri
R. Michael Easton and Marvin P. Carlson, Presiding
 Paper #Start Time
179-01:30 PM NEWLY RECOGNIZED BASEMENT(?) TO THE BELT SUPERGROUP, NORTHERN IDAHO: LEWIS, Reed S., Idaho Geol. Survey, Univ. of Idaho, Moscow, ID 83844-3014, reedl@uidaho.edu, BURMESTER, Russell F., Geology Department, Western Washington Univ, Belllingham, WA 98225, and MCCLELLAND, William C., Dept. of Geol. Sciences, Univ of Idaho, Moscow, ID 83844
179-01:45 PM DID WEST TEXAS CLOSE, THEN OPEN, THEN CLOSE AGAIN? A POSSIBLE EXPLANATION FOR THE SOUTHERN GRANITE-RHYOLITE TERRANE: GRIMES, Stephen W., Memorial Univ Newfoundland, Dept Earth Science, St Johns's, NF A1B 3X5 Canada, sgrimes@sparky2.esd.mun.ca.
179-02:00 PM ACCRETIONARY BASEMENT CONTROL ON STRUCTURE OF CENTRAL USA: CARLSON, Marvin P., Nebraska Geol Survey, 113 Nebraska Hall, Lincoln, NE 68588-0517, mcarlson1@unl.edu.
179-02:15 PM PROTEROZOIC AUSTRALIA AND PLATE TECTONICS: BETTS, Peter G., Australian Crustal Research Centre, Monash Univ, Wellington Rd, Melbourne, 3800, Australia, pbetts@mail.earth.monash.edu.au and GILES, David, Australian Crustal Research Centre, Monash Univ, Wellington Road, Clayton, 3800, Australia
179-02:30 PM PROTEROZOIC INTERACTIONS BETWEEN AUSTRALIA AND NORTH AMERICA: GILES, David, Australian Crustal Research Centre, Monash Univ, Wellington Road, Clayton, 3800, Australia, dgiles@mail.earth.monash.edu.au and BETTS, Peter G., Australian Crustal Research Centre, Monash Univ, Wellington Rd, Melbourne, 3800, Australia
179-02:45 PM GRENVILLE-AGED PALEOGEOGRAPHY AND DEFORMATION OF THE AMAZON CRATON: EARLY COLLISION WITH LAURENTIA?: TOHVER, Eric1, VAN DER PLUIJM, Ben1, and VAN DER VOO, Rob2, (1) Geological Sciences, Univ of Michigan, 2534 CC Little Building, Ann Arbor, MI 48109-1063, etohver@umich.edu, (2) dept. geological sciences, Univ of Michigan, 2534 C.C. Little Building, Ann Arbor, MI 48109-1063
179-03:00 PM PRE-GRENVILLIAN TECTONIC SIGNIFICANCE OF HIGH-GRADE GNEISSES IN THE GRENVILLE PROVINCE, ONTARIO: SLAGSTAD, Trond, JAMIESON, Rebecca A., and CULSHAW, Nick, Department of Earth Sciences, Dalhousie Univ, Halifax, NS B3H 4J1, Canada, slagstad@is2.dal.ca
179-03:15 PM SVECONORWEGIAN (-GRENVILLIAN) OROGENESIS IN THE SW BALTIC SHIELD–TIMING AND TECTONIC FRAMEWORK IN LIGHT OF COMPLEX ZIRCON GEOCHRONOLOGY: ANDERSSON, Jenny1, SÖDERLUND, Ulf2, MÖLLER, Charlotte2, and JOHANSSON, Leif2, (1) Department of Geological Sciences, The Ohio State Univ, 155 S. Oval Mall, Columbus, OH 43210, jenny.andersson@geol.lu.se, (2) Department of Geology, Lund University, Solvegatan 13, Lund, SE-223 62, Sweden
179-03:30 PM MONAZITE THERMOCHRONOLOGY OF THE TRANS-HUDSON OROGEN, CANADA: ID-TIMS U-PB, EMP TOTAL PB, AND AR-AR AGE COMPARISONS: SCHNEIDER, D. A., Department of Geological Sciences, Ohio Univ, Athens, OH 45701, daschn01@syr.edu, BICKFORD, M. E., Department of Earth Sciences, Syracuse Univ, Syracuse, NY 13244, HEIZLER, M. T., NM Bureau of Mines, Socorro, NM 87801, WILLIAMS, M. L., Department of Geosciences, Univ of Massachusetts, Amherst, MA 01003, and JERCINOVIC, M. J., Dept. of Geosciences, Univ. of Massachusetts, Amhurst, MA 01003
179-03:45 PM PALEOMAGNETIC RESULTS FROM THE NEOPROTEROZOIC UINTA MOUNTAIN GROUP, UTAH AND COLORADO: ASHBY, James M.1, GEISSMAN, John Wm.1, and WEIL, Arlo B.2, (1) Department of Earth and Planetary Sciences, The Univ of New Mexico, Northrop Hall, Albuquerque, NM 87131-1116, jmashby@unm.edu, (2) Department of Geology, Bryn Mawr College, Bryn Mawr, PA 19010
179-04:00 PM STRUCTURAL LAYERING AT THE JUNCTION OF ARCHEAN QUETICO AND WAWA SUBPROVINCES, QUETICO PROVINCIAL PARK, ONTARIO: WOODARD, Henry H., Geology, Beloit College, 700 College Street, Beloit, WI 53511, woodard@beloit.edu.
179-04:15 PM TECTONIC LINKS BETWEEN PROTEROZOIC OROGENIC BELTS IN SOUTHERN AFRICA BENEATH THE KALAHARI DESERT: HANSON, R.1, SINGLETARY, S.2, MARTIN, M.2, BOWRING, S.2, KEY, R.3, DIRENG, B.4, MAJAULE, T.4, RAMOKATE, L.4, and KROL, M.5, (1) Geology Dept, TCU, Fort Worth, TX 76129, r.hanson@tcu.edu, (2) EAPS, MIT, Cambridge, MA 02139, (3) British Geol Survey, Edinburgh, EH93LA, United Kingdom, (4) Botswana Geol Survey, Lobatse, Botswana, (5) Bridgewater State College, Bridgewater, MA 02325
179-04:30 PM PALEOMAGNETISM AND GEOCHRONOLOGY OF WIDESPREAD DOLERITE SILLS IN BOTSWANA RELATED TO THE 1.1 GA UMKONDO LARGE IGNEOUS PROVINCE: PANCAKE, J.1, HANSON, R.1, GOSE, W.2, RAMEZANI, J.3, BOWRING, S.3, and DOWNEY, W.4, (1) Geol. Dept, TCU, Fort Worth, TX 76109, hillandpancake@prodigy.net, (2) Geol. Sci. Dept, Univ. Texas, Austin, TX 78712, (3) EAPS, MIT, Cambridge, MA 02139, (4) Physics Dept, Univ of Botswana, Gaborone, Botswana
179-04:45 PM P-T-TIME CONSTRAINTS ON THE METAMORPHIC ROCKS OF NORTH MADAGASCAR AND THEIR RELEVANCE ON THE ASSEMBLY OF GONDWANALAND: BUCHWALDT, Robert and TUCKER, Robert D., Department of Earth and Planetary Sciences, Washington Univ, St. Louis, MO 63130, buchwaldt@levee.wustl.edu
179-05:00 PM Paper Withdrawn
179-05:15 PM ENIGMATIC "TUBE-LIKE" STRUCTURES IN THE NOONDAY DOLOMITE: CONSTRAINTS ON POSSIBLE HYPOTHESES: MARENCO, Pedro J., Earth Sciences, Univ of Southern California, 3651 Trousdale Avenue, SCI 117, Los Angeles, CA 90089-0740, marenco@earth.usc.edu, CORSETTI, Frank A., Department of Earth Sciences, Univ of Southern California, Los Angeles, CA 90089, and BOTTJER, David J., Department of Earth Sciences, Univ of Southern California, Los Angeles, CA 90089-0740

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