2007 GSA Denver Annual Meeting (28–31 October 2007)

Session No. 82
Monday, 29 October 2007: 8:00 AM-12:00 PM

Precambrian Geology (Posters)

Authors will be present from 9 to 11 AM.

 

Paper #
Booth #
1
27
MESOPROTEROZOIC 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, 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, ismo.aaltonen@posiva.fi, ismo.aaltonen@posiva.fi
2
28
DISTAL EJECTA FROM THE 1850 MA SUDBURY IMPACT IN THE LAKE SUPERIOR IRON RANGES
CANNON, William F., U.S. Geological Survey, Reston, VA 20192 and ADDISON, William D., Kakabeka Falls, ON P0T 1WO, Canada, wcannon@usgs.gov, wcannon@usgs.gov
3
29
THE FARMINGTON CANYON COMPLEX: IMPLICATIONS FOR THE EVOLUTION OF THE SW LAURENTIAN MARGIN
STROUD, Misty M.1, FOSTER, David A.2, MUELLER, Paul A.3, HEATHERINGTON, Ann4, KAMENOV, George3 and WOODEN, Joseph5, (1)Earth and Environmental Sciences, Boston College, 140 Commonwealth Avenue, Chestnut Hill, MA 02467, (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, mistymichele@email.arizona.edu, mistymichele@email.arizona.edu
4
30
SHRIMP 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, 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, wpremo@usgs.gov, wpremo@usgs.gov
5
31
CONFESSIONS OF A RODINIAN INTRACRATONIC BASIN: ANALYZING THE UNDIVIDED EASTERN UINTA MOUNTAIN GROUP, NORTHEASTERN UTAH
RYBCZYNSKI, Daniel1, DEHLER, Carol1, FANNING, Mark2, LINK, Paul3 and BREHM, Andy4, (1)Geology, Utah State University, 4505 Old Main Hill, Logan, UT 84322-4505, (2)Research School of Earth Sciences, Australian National University, Canberra, ACT 0200, Australia, (3)Geosciences, Idaho State University, Campus Box 8072, Pocatello, ID 83209, (4)Geology, Utah State University, 4505 Old Main Hill, Logan, UT 84322, drybczynski@cc.usu.edu, drybczynski@cc.usu.edu
6
32
RELICT 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, ninaeileen@bresnan.net
7
33
STRUCTURAL DEVELOPMENT OF THE PALEOPROTEROZOIC HIGHLAND MOUNTAINS DOME, MONTANA
VOGL, James J., Department of Geology, Univ of Florida, Gainesville, FL 32611, jvogl@geology.ufl.edu, jvogl@geology.ufl.edu
8
34
A 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, (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, kingesth@isu.edu, kingesth@isu.edu
9
35
A 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, don.winston@umontana.edu
10
36
NEW STRATIGRAPHIC AND ISOTOPIC CONSTRAINTS ON THE CRYOGENIAN -- EDIACARAN STRATA OF DEATH VALLEY REGION
PETTERSON, Ryan, Earth and Planetary Sciences, Harvard University, 20 Oxford St, Cambridge, MA 02138, PRAVE, Anthony, Geosciences, Univ of St Andrews, St Andrews, Fife, KY16 9AL, United Kingdom, WERNICKE, Brian, Division of Geological and Planetary Sciences, California Institute of Technology, Mail Stop 100-23, Pasadena, CA 91125 and FALLICK, A.E., S.U.E.R.C, East Kilbride, Glasgow, G75 0QF, United Kingdom, ryanpetterson@gmail.com, ryanpetterson@gmail.com
11
37
THE "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, timraub@caltech.edu
12
38
GEOCHEMISTRY 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, PAUL, Debajyoti, Department of Civil Engineering (Geosciences), Indian Institute of Technology Kanpur, Kanpur, 208016, India and CUNHA, José Carlos, Companhia Baiana de Pesquisa Mineral – CBPM, 4ª Avenida, nº 460, Centro Administrativo da Bahia, Salvador, Bahia, Brasil, Salvador, 40000000, Brazil, angelab@ufba.br, angelab@ufba.br
13
39
800 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, (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, elton@unb.br, elton@unb.br
14
40
EVOLUTION 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, (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, lulureal@yahoo.com, lulureal@yahoo.com