2007 GSA Denver Annual Meeting (28–31 October 2007)
Session No. 82 Monday, 29 October 2007
8:00 AM-12:00 PM, Colorado Convention Center: Exhibit Hall E/F

Precambrian Geology (Posters)

Authors will be present from 9 to 11 AM
 Paper #Booth #
82-127MESOPROTEROZOIC HYDROTHERMAL ALTERATION IN 1.9 GA OLD HIGH GRADE GNEISSES AT SPENT NUCLEAR FUEL REPOSITORY SITE, OLKILUOTO, SW FINLAND: AALTONEN, Ismo S., Research, Posiva Oy, Olkiluoto, FI-27160, Finland, ismo.aaltonen@posiva.fi, FRONT, Kai A., VTT, P.O. Box 1000, Espoo, FI-02044 VTT, Finland, and GEHÖR, Seppo A., Department of Geosciences, University of Oulu, Oulu, FI-90014, Finland
82-228DISTAL EJECTA FROM THE 1850 MA SUDBURY IMPACT IN THE LAKE SUPERIOR IRON RANGES: CANNON, William F., U.S. Geological Survey, Reston, VA 20192, wcannon@usgs.gov and ADDISON, William D., Kakabeka Falls, ON P0T 1WO, Canada
82-329THE FARMINGTON CANYON COMPLEX: IMPLICATIONS FOR THE EVOLUTION OF THE SW LAURENTIAN MARGIN: STROUD, Misty M.1, FOSTER, David A.2, MUELLER, Paul3, HEATHERINGTON, Ann4, KAMENOV, George3, and WOODEN, Joseph5, (1) Department of Geological Sciences, University of Florida, 241 Williamson Hall, Gainesville, FL 32611, stroud@ufl.edu, (2) Department of Geology, Univ of Florida, Gainesville, FL 32611, (3) Department of Geological Sciences, University of Florida, 241 Williamson Hall, Gainesville, FL 32601, (4) Department of Geological Sciences, University of Florida, 241 Williamson Hall, Gainesville, FL 32611, (5) USGS-Stanford Ion Microprobe Facility, Green Building, Rm 89, 367 Panama Street, Stanford, CA 94305-2220
82-430SHRIMP U-PB ZIRCON AGES FOR PALEOPROTEROZOIC BASEMENT ROCKS FROM THE NORTHERN AND CENTRAL COLORADO FRONT RANGE: A REFINEMENT OF THE TIMING OF CRUSTAL GROWTH IN THE COLORADO PROVINCE: PREMO, Wayne R., U.S. Geological Survey, Mail Stop 963, Denver Federal Center, Denver, CO 80225, wpremo@usgs.gov, KELLOGG, Karl, U.S. Geol Survey, MS 980, P.O. Box 25046, Denver, CO 80225, and BRYANT, Bruce, U.S. Geological Survey, MS-980, Box 25046, Denver Federal Center, Denver, CO 80225
82-531CONFESSIONS OF A RODINIAN INTRACRATONIC BASIN: ANALYZING THE UNDIVIDED EASTERN UINTA MOUNTAIN GROUP, NORTHEASTERN UTAH: RYBCZYNSKI, Daniel1, DEHLER, Carol1, FANNING, Mark2, LINK, Paul3, and BREHM, Andy1, (1) Geology, Utah State University, 4505 Old Main Hill, Logan, UT 84322-4505, drybczynski@cc.usu.edu, (2) Research School of Earth Sciences, Australian National University, Canberra, ACT 0200, Australia, (3) Geosciences, Idaho State University, Campus Box 8072, Pocatello, ID 83209
82-632RELICT HIGH-PRESSURE METAMORPHISM AND ADIABATIC PT PATHS IN MOJAVE PROVINCE ROCKS, BEAVER DAM MOUNTAINS. UTAH: FITZGERALD, Nina E., BELL, Jennifer J., BOSWELL, Jonathan T., CRANNEY, Tawnya, STALLING, Dustin R., WILLIAMS, Jessica, and COLBERG, Mark R., Department of Geosciences, Southern Utah University, 351 W. University Blvd, Cedar City, UT 84720, ninaeileen@bresnan.net
82-733STRUCTURAL DEVELOPMENT OF THE PALEOPROTEROZOIC HIGHLAND MOUNTAINS DOME, MONTANA: VOGL, James J., Department of Geology, Univ of Florida, Gainesville, FL 32611, jvogl@geology.ufl.edu
82-834A NEOPROTEROZOIC (<770 MA) SHORELINE IN THE HIGH UINTAS WILDERNESS, UINTA MOUNTAIN GROUP, NORTH EASTERN UTAH: EVIDENCE FOR A PRE-STURTIAN WESTERN INTERIOR SEAWAY: KINGSBURY, Esther M.1, LINK, Paul K.1, DEHLER, Carol M.2, and FANNING, Mark3, (1) Department of Geosciences, Idaho State University, Dept. of Geosciences, Mail stop 8072, Pocatello, ID 83209, kingesth@isu.edu, (2) Department of Geology, Utah State University, Dept. of Geology, 4505 Old Main Hill, Logan, UT 84322-1087, (3) Research School of Earth Sciences, Australian National University, Canberra, ACT 0200, Australia
82-935A MID-PROTEROZOIC BROAD, SHALLOW LAKE: HELENA FORMATION, BELT SUPERGROUP, WESTERN MONTANA AND NORTHERN IDAHO: WINSTON, Don, Geosciences, University of Montana, Missoula, MT 59812, don.winston@umontana.edu
82-1036NEW STRATIGRAPHIC AND ISOTOPIC CONSTRAINTS ON THE CRYOGENIAN -- EDIACARAN STRATA OF DEATH VALLEY REGION: PETTERSON, Ryan1, PRAVE, Anthony2, WERNICKE, Brian1, and FALLICK, A.E.3, (1) Division of Geological and Planetary Sciences, California Institute of Technology, Mail Stop 100-23, Pasadena, CA 91125, ryan@gps.caltech.edu, (2) Geosciences, Univ of St Andrews, St Andrews, Fife, KY16 9AL, United Kingdom, (3) S.U.E.R.C, East Kilbride, Glasgow, G75 0QF, United Kingdom
82-1137THE "LOCHNESS MONSTER" AS AN EXEMPLARY PSEUDOFOSSIL, MANCHURIOPHYCUS: RAUB, Timothy D. and RAUB, Theresa M.D., Division of Geological and Planetary Sciences, California Institute of Technology, 1200 E. California Blvd, Caltech 170-25, Pasadena, CA 91125, timraub@caltech.edu
82-1238GEOCHEMISTRY OF CONTAMINATED KOMATIITES FROM THE ARCHAEAN UMBURANAS GREENSTONE BELT, BAHIA STATE, BRAZIL: MENEZES LEAL, Angela Beatriz, Departamento de Geoquímica, Instituto de Geociências/Universidade Federal da Bahia, Rua Barão de Geremobo, s/n - Salvador, Bahia, Brasil, Salvador, 41600060, Brazil, angelab@ufba.br, PAUL, Debajyoti, Department of Earth and Environmental Science, University of Texas at San Antonio, 6900 North Loop 1604 West, San Antonio, TX, San Antonio, TX 78249, and CUNHA, José Carlos, Companhia Baiana de Pesquisa Mineral – CBPM, 4ª Avenida, nº 460, Centro Administrativo da Bahia, Salvador, Bahia, Brasil, Salvador, 40000000, Brazil
82-1339800 MA RIFTING IN THE PARAGUAY BELT, CENTRAL BRAZIL: U-PB SHRIMP AGE DETERMINATION, RODINIA BREAK-UP AND IMPLICATIONS FOR A CONNECTION WITH AVALONIAN PERI-GONDWANA TERRANES: DANTAS, Elton Luiz1, ARMSTRONG, Richard2, PIMENTEL, Marcio Martins1, FUCK, Reinhardt3, MARTINELII, Cesar1, SILVA, Marcelo Ferreira da1, and LAUX, Jorge Henrique1, (1) Instituto de Geociencias, Universidade de Brasilia, Brasilia, 70910900, Brazil, elton@unb.br, (2) Research School of Earth Sciences, The Australian National University, Mills Road, Canberra A.C.T, 0200, Australia, (3) Instituto de Geociencias, Universidade de Brasilia, Brasília, 70910900, Brazil
82-1440EVOLUTION OF THE BULBUL SHEAR ZONE IN SOUTHERN ETHIOPIA: FROM TERRANE COLLISION TO TECTONIC COLLAPSE: TSIGE, Lulu1, ABDELSALAM, Mohamed2, YIHUNIE, Tadesse3, and HUSSIEN, Bedru3, (1) Regional Geological Mapping Department, Geological Survey of Ethiopia, Arada Subcity, Addis Ababa, P.OBox 58301, Ethiopia, lulureal@yahoo.com, (2) Dept. of Geological Sciences & Engineering, University of Missouri at Rolla- (UMR), 129 McNutt Hall, 1870 Miner Circle, Rolla, MO 65401, (3) Regional geological mapping Dept, Geological Survey of Ethiopia, Addis Ababa, POBox2302, Ethiopia

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