| Sunday, 5 October 2008: 8:00 AM-4:45 PM | |||
| George R. Brown Convention Center, Exhibit Hall E | |||
| 145: Precambrian Geology (Posters) | |||
| Sponsor: | General Discipline Sessions | ||
| JTPC Rep: | W.R. Van Schmus, Univ of Kansas | ||
| 82 | Low to Negligible Water Contents in Komatiites: Evidence from Pyroclastic Komatiitic Tuffs in the 3.5-3.2 Ga Barberton Greenstone Belt, South Africa Melanie Thompson Stiegler, Stanford University, Donald R. Lowe, Stanford University, Gary R. Byerly, Louisiana State University | ||
| 83 | Depositional Environments and Provenance of Metasedimentary Rocks in the Jack Hills Belt, Western Australia Kenneth A. Eriksson, Virginia Tech, Simon Wilde, Curtin University of Technology | ||
| 84 | Discovery of the Oldest (~3.4 Ga) Lateritic Paleosols in the Pilbara Craton, Western Australia Ian Johnson, Penn State University, Yumiko Watanabe, The Pennsylvania State University, Kosei Yamaguchi, JAMSTEC, Hiroshi Hamasaki, The Pennsylvania State University, Hiroshi Ohmoto, The Pennsylvania State University | ||
| 85 | Geobiology of the Late Paleoproterozoic Duck Creek Dolomite, Western Australia Jonathan P. Wilson, Harvard University, David T. Johnston, Harvard University, Andrew H. Knoll, Harvard University, Woodward W. Fischer, California Institute of Technology, John P. Grotzinger, Caltech, Malcolm R. Walter, Australian Centre for Astrobiology, Macquarie Univ, Melvin Simon, California Institute of Technology, John Abelson, California Institute of Technology, The Members of The 2007 Agouron Advanced Geobiology Summer Course, Sky Rashby – Caltech, Maia Schweizer – Caltech, Wes Watters – MIT | ||
| 86 | Body and Trace Fossils from the Deep Spring Formation (Ediacaran), Western Nevada Soo-Yeun Ahn, The Ohio State University, Loren E. Babcock, The Ohio State University, Margaret N. Rees, University of Nevada, Las Vegas, J. Stewart Hollingsworth, Institute for Cambrian Studies | ||
| 87 | A Plausibility Test for Neoproterozoic Correlations Based on Global Climate Episodes: The Case History of the Kingston Peak Accommodation Paradox, Panamint Range, California Camille Partin, University of California, Peter Sadler, University of California | ||
| 88 | Lithologic Variation of Proterozoic Rocks in the San Gabriel Mountains, Wrightwood, California Jessica-Ann M. Dillon, California State University Northridge, Elena A. Miranda, California State University at Northridge | ||
| 89 | Paleoproterozoic Orthogneisses from the Cerro Prieto Area: A New Addition to the Mexican Yavapai Province in NW Sonora Aldo Izaguirre, Universidad Nacional Autónoma de México, Alexander Iriondo, Universidad Nacional Autónoma de México, Joseph L. Wooden, U.S.G.S.-Stanford Ion Probe Laboratory, James R. Budahn, U.S. Geological Survey, Peter Schaaf II, Universidad Nacional Autónoma de Mexico | ||
| 90 | Paleoproterozoic Gneisses of the San Luisito Hills in NW Sonora: Extending the Mexican Yavapai Province of SW Laurentia Alejandro Gutíerrez-Coronado, Universidad Nacional Autónoma de México, Alexander Iriondo, Universidad Nacional Autónoma de México, José Luis Rodríguez-Castañeda, UNAM, Joseph L. Wooden, U.S.G.S.-Stanford Ion Probe Laboratory, James R. Budahn, U.S. Geological Survey, Rufino Lozano-Santa Cruz, Universidad Nacional Autónoma de México, Teodoro Hernández-Treviño, Universidad Nacional Autónoma de México | ||
| 91 | Paleoproterozoic (~1.76–1.73 Ga) Banded Gneisses from the Zona Canteras-Puerto Peñasco Area: A New Occurrence of Yavapai-Mazatzal(?)-Type Rocks in NW Sonora, Mexico Harim E. Arvizu, Universidad Autónoma de Nuevo León, Alexander Iriondo, Universidad Nacional Autónoma de México, Gabriel Chávez-Cabello, Universidad Autónoma de Nuevo León, George D. Kamenov, University of Florida, David A. Foster, University of Florida, Rufino Lozano-Santa Cruz, Universidad Nacional Autónoma de México, Gabriela Solís-Pichardo, Universidad Nacional Autónoma de México | ||
| 92 | A Laramide Pb-Loss Event Recorded in Zircons from the Murrieta Mesoproterozoic (~1.1 Ga) Granite in Sierrita Blanca, NW Sonora, Mexico Mónica A. Enríquez-Castillo, Universidad Autónoma de Nuevo León, Alexander Iriondo, Universidad Nacional Autónoma de México, Gabriel Chávez-Cabello, Universidad Autónoma de Nuevo León | ||
| 93 | The Sierra Los Tanques ~1.1 Ga Granite in NW Sonora: Another Example of Mesoproterozoic Plutonism along the Mexican Yavapai Province Alexander Iriondo, Universidad Nacional Autónoma de México, George D. Kamenov, University of Florida, David A. Foster, University of Florida | ||
| 94 | Modeling Fractional Crystallization In the Mesoproterozoic Lone Grove Batholith, Llano Uplift, Central Texas Walt Gray, Southwest Research Institute, Robert K. Smith, University of Texas at San Antonio, Tyson R. Gibbs, University of Texas at San Antonio | ||
| 95 | Lithotectonic Stacking Sequence of Mesoproterozoic Domain Rocks, Northeastern Llano Uplift, Central Texas Volker W. Göbel, Stephen F. Austin State Univ, Jace A. Morris, Comstock Resources Inc | ||
| 96 | Was the Black Hills Domain (South Dakota) Always Part of the Archean Wyoming Craton?: New Evidence from ~3.4-2.7 Ga Detrital-Zircon Populations Found in Both ~1.9 and ~2.5 Ga Strata Peter S. Dahl, Kent State Univ, Robert Frei, University of Copenhagen, Martin J. Whitehouse, Swedish Museum of Natural History | ||
| 97 | U-Pb Geochronologic Study of Magmatic Zircon in Paleoproterozoic Granitic Pegmatite and Associated Metapelites, Black Hills, South Dakota: Implications for Gold Petrogenesis and Sedimentary Provenance Amiya K. Ghosh, Kent State University, Robert Frei, University of Copenhagen, Martin J. Whitehouse, Swedish Museum of Natural History, Peter S. Dahl, Kent State Univ | ||
| 98 | New Evidence for 2.01 Ga Rifting of the Easternmost Wyoming Craton (Black Hills, South Dakota): Implications for Break-up of a Supercraton (Superia) Jessica S. Hark, Kent State University, Robert Frei, University of Copenhagen, Martin J. Whitehouse, Swedish Museum of Natural History, Peter S. Dahl, Kent State Univ | ||
| 99 | The Source and Emplacement of Leucogranites in the Teton Range Following High-Pressure Archean Metamorphism Lee Finley-Blasi, University of Wyoming, Carol D. Frost, University of Wyoming, Susan M. Swapp, University of Wyoming, B. Ronald Frost, University of Wyoming, Braden Fitz-Gerald, University of Wyoming | ||
| 100 | Teton Range, Wyoming: An Uplift Recording Two Distinct Archean Histories Susan M. Swapp, University of Wyoming, Carol D. Frost, University of Wyoming, B. Ronald Frost, University of Wyoming, Lee Finley-Blasi, University of Wyoming, Braden Fitz-Gerald, University of Wyoming | ||
| 101 | Proterozoic Paleogeography and Stratigraphy of the Snake Range, Eastern Nevada and Albion-Grouse Creek Ranges, Southern Idaho: Detrital Zircon Constraints and Stratigraphic Surprises Paul K. Link, Idaho State University, Scott Johnston, University of Arizona | ||
| 102 | Shifts in Global Metallogeny at 1850 Ma: A Connection to the Giant Sudbury Impact Event? John F. Slack, US Geol Survey, William F. Cannon, US Geological Survey | ||
| 103 | SHRIMP U-Pb and Oxygen Data in Zircon from the Mata Grande Pluton; First Record of Paleoproterozoic Juvenile Magmatism in the Borborema Province, NE Brazil Adejardo da Silva Filho, Universidade Federal de Pernambuco, Ignez Guimaraes, Universidade Federal de Pernambuco, Richard Armstrong, The Australian National University | ||
| 104 | Age and Stratigraphic Affinity of Neoproterozoic Conglomerate at Neponset River Gorge, Milton, MA: Constraints from U-Pb Geochronology Mei Ai Khoo, Wellesley College, Jahandar Ramezani, Massachusetts Institute of Technology, Margaret D. Thompson, Wellesley College | ||
| 105 | Deformation and Migmatization in the Stensjostrands Naturreservat, Halland Province SW Sweden Sarah Dean, Hope College, Aranzazu Pinan-Llamas, Hope College, Leif Johansson, Lund University, Jesse Reimink, Hope College, Edward Hansen, Hope College | ||
| 106 | Regional Geochemistry of the Dokhan Volcanics, Eastern Desert, Egypt Leon E. Long, University of Texas, Adel M. Hassan, Tanta University | ||
| 107 | A Neoproterozoic Dextral Shear Zone, Central Madagascar Tsilavo Raharimahefa, St. Louis University, Timothy M. Kusky, Saint Louis Univ | ||
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