2009 Portland GSA Annual Meeting (18-21 October 2009)
Session No. 266 Wednesday, 21 October 2009
1:30 PM-5:30 PM, Oregon Convention Center: B117/118/119

Precambrian Geology

Misty Stroud, Presiding
 Paper #Start Time
266-11:30 PM CONTINENTAL VERSUS CRUSTAL GROWTH: UNDERSTANDING THE PARADOX: BEGG, Graham C.1, BELOUSOVA, Elena A.2, GRIFFIN, William L.2, O'REILLY, Suzanne Y.2, and NATAPOV, Lev2, (1) GEMOC, Department of Earth and Planetary Sciences, Macquarie University, North Ryde, 2109, Australia, graham.begg@bigpond.com, (2) GEMOC, Dept. of Earth and Planetary Sciences, Macquarie University, Sydney, NSW, 2109, Australia
266-21:45 PM A PROGRADE PLANETOID CAPTURE EPISODE ABOUT 3.95 GA AGO: IS THIS MODEL COMPATIBLE WITH THE INFORMATION FROM HADEAN- AND ARCHEAN-AGE DETRITAL ZIRCON CRYSTALS?: MALCUIT, Robert J., Dept. of Geosciences, Denison Univ, Granville, OH 43023-1372, malcuit@denison.edu
266-32:00 PM EXTRATERRESTRIAL CAUSE FOR THE DEMISE OF BANDED IRON FORMATIONS AT 1.85 GA: SLACK, John F., USGS, National Center, MS 954, Reston, VA 20192, jfslack@usgs.gov and CANNON, William F., US Geological Survey, 954 National Ctr, Reston, VA 20192-0001
266-42:15 PM IS THE CHEYENNE BELT REALLY A PALEOSUBDUCTION ZONE?: TECTONIC IMPLICATIONS OF NEW GEOLOGIC MAPPING AND U-PB AGES FROM THE BIG CREEK GNEISS: JONES, Daniel S., Dept. of Geology and Geophysics, Univ. of Wyoming, Laramie, WY 82071, dsjones@uwyo.edu and SNOKE, Arthur W., Department of Geology and Geophysics, University of Wyoming, Dept. 3006, 1000 University Avenue, Laramie, WY 82071
266-52:30 PM A KINEMATIC REEVALUATION OF THE CHEYENNE BELT SUTURE ZONE: TESTING THE TRANSPRESSION HYPOTHESIS: SULLIVAN, Walter A., FEREDAY, Wyatt, HUNT, Caroline G., JADKOWSKI, Margosia, and SCHWARZ, Jacob J., Department of Geology, Colby College, 5800 Mayflower Hill, Waterville, ME 04901, wasulliv@colby.edu
266-62:45 PM PROVENANCE OF THE UPPER BELT SUPERGROUP AND LEMHI GROUP: CONSTRAINTS FROM HF AND ND ISOTOPES: STEWART, Eric D.1, LINK, Paul2, FANNING, C. Mark3, FROST, Carol D.4, and MCCURRY, Michael2, (1) Geosciences, Idaho State University, 921 S. 8th Ave. Stop 8072, Pocatello, ID 83209, steweric@isu.edu, (2) Department of Geosciences, Idaho State University, 921 S. 8th Ave. Stop 8072, Pocatello, ID 83209, (3) Research School of Earth Sciences, Australian National Univ, Canberra, ACT, (4) Department of Geology and Geophysics, University of Wyoming, Dept. 3006, 1000 University Avenue, Laramie, WY 82071
266-73:00 PM U-PB ZIRCON AGES AND GEOCHEMISTRY OF THE NEOPROTEROZOIC OPHIOLITE ASSEMBLAGES FROM WADI ALLAQI, SOUTH EASTERN DESERT OF EGYPT: ALI, K.A.1, AZER, M.K.2, GAHLAN, H.A.3, WILDE, S.A.4, STERN, R.J.1, and SAMUEL, M.D.2, (1) Geosciences Department, University of Texas at Dallas, 800 W. Campbell Rd, Richardson, TX 75080, kaa042000@utdallas.edu, (2) Geology Department, National Research Centre, Al-Behoos St, Dokki, Cairo, 12622, Egypt, (3) Geology Department, Assiut University, Faculty of Science, Assiut, Egypt, (4) Applied Geology, Curtin University of Technology, Perth, 6102, Australia
266-83:15 PM TUBESTONE STROMATOLITES AS ‘GEOPLUMB' INDICATORS, WITH APPLICATION TO MARINOAN (635 MA) GLACIOEUSTASY ON THE FORESLOPE OF THE OTAVI CARBONATE PLATFORM, NAMIBIA: HOFFMAN, Paul F.1, POPE, Allen2, and MACKINNON, Karen A.2, (1) 3271 Wicklow St, Victoria, BC V8X 1E1, Canada, paulfhoffman@yahoo.com, (2) Earth and Planetary Sciences, Harvard University, 20 Oxford St, Cambridge, MA 02138
266-93:30 PM SEDIMENTOLOGY AND GEOCHEMISTRY OF THE PROTEROZOIC LEBA FORMATION, ANGOLA, AFRICA: HEYDARI, Ezat, Department of Physics, Atmospheric Sciences, and Geoscience, Jackson State University, P.O. Box 17660, 1400 Lynch Street, Jackson, MS 39217, ezat.heydari@jsums.edu and DE OLIVEIRA, Ruth, Department of Physics, Atmospheric Sciences, and Geoscience, Jackson State University, 1400 Lynch Street, P. O. Box 17660, Jackson, MS 39217
266-103:45 PM CONTINUATION OF THE LAURENTIAN GRENVILLE PROVINCE IN WESTERN EAST ANTARCTICA: GOODGE, John, Department of Geological Sciences, University of Minnesota, Duluth, MN 55812, jgoodge@d.umn.edu, FANNING, Mark, Research School of Earth Sciences, Australian National University, Canberra, ACT 0200, Australia, BRECKE, Devon, Natural Resources Research Institute, University of Minnesota Duluth, 5013 Miller Trunk Highway, Duluth, MN 55811, LICHT, Kathy, Department of Earth Sciences, Indiana University-Purdue University Indianapolis, 723 West Michigan Street, SL 118, Indianapolis, IN 46202, and PALMER, Emerson, Department of Earth Sciences, Indiana University-Purdue University Indianapolis, 601 N. Broadway #310, Oklahoma City, OK 73102
266-114:00 PM THE TRANS-ADIRONDACK BASIN - PRECURSOR TO THE SHAWINIGAN OROGENY: CHIARENZELLI, Jeffrey R., REGAN, Sean P., and LAVACK, Cody E., Department of Geology, St. Lawrence University, Canton, NY 13617, celava06@stlawu.edu

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