Geological Society of America

9:00 AM

PALEOMAGNETISM, GEOCHRONOLOGY, GLACIATION AND EDIACARAN(?) FOSSILS FROM LESSER KARATAU MICROCONTINENT, KAZAKHSTAN

Joseph G. Meert, University of Florida, Gainesville, FL and Anatoly S. Gibsher, Siberian Branch of the Academy of Science of Russia, Novosibirsk, N/A and Natalia M. Levashova, Academy of Science of Russia, Moscow, N/A and Warren C. Grice, Univeristy of Florida, Gainesville, FL and G.D. Kamenov, University of Florida, Gainesville, FL

160722 (Technical Sessions)

9:00 AM

WHAT CAN δ18O ANALYSES OF UNRECRYSTALLIZED EARLY QUARTZ CEMENTS IN 1.9 GA IRON FORMATIONS TELL US ABOUT PALEOPROTEROZOIC SEAWATER?

Lauren C. Cunningham, Oberlin College, Oberlin, OH and F. Zeb Page, Oberlin CollegeGeology Department, Oberlin, OH and Bruce M. Simonson, Oberlin College, Oberlin, OH and Reinhard Kozdon, University of Wisconsin-Madison, Madison, WI and Noriko T. Kita, University of Wisconsin-Madison, Madison, WI and John W. Valley, University of Wisconsin-Madison, Madison, WI

161562 (Technical Sessions)

9:00 AM

HYDROTHERMAL ALTERATION IN MESOPROTEROZOIC HIGH GRADE GNEISSES AT SPENT NUCLEAR FUEL REPOSITORY SITE, OLKILUOTO, SW FINLAND

Ismo S. Aaltonen, Posiva Oy, Olkiluoto, N/A and Kai A. Front, VTT, Espoo, N/A and Seppo A. Gehör, University of Oulu, Oulu, N/A

162694 (Technical Sessions)

9:00 AM

EDIACARAN GNEISSES ALONG THE OSSA-MORENA - CENTRAL IBERIAN ZONE BOUNDARY, PORTUGAL; THEIR DISTRIBUTION, CHARACTER, AGE AND METAMORPHIC HISTORY

S.B.A. Henriques, LNEG, Lisboa, N/A and G.R. Dunning, Memorial University, St. John's, NF and M.L. Ribeiro, LNEG, Lisboa, N/A and A.M.R. Neiva, Universidade de Coimbra, Coimbra, N/A and J. Romão, LNEG, Lisboa, N/A

162916 (Technical Sessions)

9:00 AM

SCIENTIFIC DRILLING IN THE BARBERTON GREENSTONE BELT

Nick Arndt, Universite de Grenoble, Grenoble, N/A and Barberton Drilling Team, Universite de Grenoble, Grenoble, N/A

163312 (Technical Sessions)

9:00 AM

THE OXYGENATED DEEP OCEAN IN THE LATE NEOPROTEROZOIC–EARLY PALEOZOIC: 57FE MöSSBAUER SPECTROSCOPIC EVIDENCE FROM ANCIENT DEEP-SEA CHERTS

Tomohiko Sato, Univ Tokyo, Tokyo, N/A and Yukio Isozaki, Univ Tokyo, Tokyo, N/A and Katsumi Shozugawa, Univ Tokyo, Tokyo, N/A

163575 (Technical Sessions)

9:00 AM

THE NEOPROTEROZOIC GHAUB GLACIATION IN NAMIBIA: EVIDENCE FOR A COLD OCEAN ICE PATCH EARTH

Guy H. Spence, University of Manchester, Manchester, N/A and Hartmut Jaeger, University of Heidelberg, Heidelberg, N/A

163599 (Technical Sessions)

9:00 AM

STRUCTURAL ANALYSIS OF THE IDAHO SPRINGS-RALSTON SHEAR ZONE: A NEW LOOK AT AN ANCIENT STRUCTURE

Zachary R. Wessel, Colorado State University, Fort Collins, CO and John Ridley, Colorado State University, Fort Collins, CO

163649 (Technical Sessions)

9:00 AM

AN EXAMPLE OF RAPID, IN-SITU CONTINENTAL GROWTH IN THE ARCHEAN, WYOMING PROVINCE, USA

Paul Mueller, University of Florida, Gainesville, FL and J.L. Wooden, Stanford University, Stanford, CA and D.W. Mogk, Montana State Univ, Bozeman, MT and Darrell Henry, Louisiana State University, Baton Rouge, LA

163747 (Technical Sessions)

9:00 AM

PRECAMBRIAN GEOLOGY OF WIND CAVE NATIONAL PARK, BLACK HILLS, SOUTH DAKOTA

Timothy N. Lincoln, Albion College, Albion, MI and Beth Z. Lincoln, Albion College, Albion, MI

163775 (Technical Sessions)

9:00 AM

MAPCIS (MASSIVE AUSTRALIAN PRECAMBRIAN/CAMBRIAN IMPACT STRUCTURE) A POSSIBLE MULTIPLE IMPACT EVENT

Daniel P. Connelly, Millville, NJ

163821 (Technical Sessions)

9:00 AM

AGE AND PROVENANCE OF PRECAMBRIAN METAMORPHIC ROCKS IN THE PIONEER METAMORPHIC CORE COMPLEX, SOUTH-CENTRAL IDAHO: THE SOUTHERN EDGE OF THE LOWER BELT SUPERGROUP, THE GROUSE CREEK BLOCK, AND HINTS OF A PROXIMAL GRENVILLE SOURCE IN THE NORTHERN CORDILLERA

Paul Karl Link, Idaho State Univ, Pocatello, ID and C. Fanning, Australian National University, Canberra, ACT

164143 (Technical Sessions)

9:00 AM

ARCHEAN CYCLES OF SUBAQUEOUS VOLCANIC ERUPTION, HYDROTHERMAL ALTERATION, AND MICROBIAL COLONIZATION

Lauren D. Anderson, Lehigh University, Bethlehem, PA and Gray E. Bebout, Lehigh University, Bethlehem, PA and Nathan J. Bridge, University of Western Ontario, London, ON and Neil R. Banerjee, University of Western Ontario, London, ON

164187 (Technical Sessions)

9:00 AM

130 MILLION YEARS OF PALEOPROTEROZOIC HISTORY RECORDED BY U-PB MONAZITE AND ZIRCON AGES FROM THE IVANPAH MOUNTAINS, EASTERN CALIFORNIA

Ariel Strickland, Stanford University, Stanford, CA and Joseph L. Wooden, Stanford University, Stanford, CA and Chris Mattinson, Central Washington University Dept. of Geological Sciences, Ellensburg, WA and David M. Miller, U.S. Geological Survey, Menlo Park, CA

164989 (Technical Sessions)

9:00 AM

ELECTRON MICROPROBE DATING OF MONAZITE FROM THE PALEOPROTEROZOIC HOMESTAKE IRON FORMATION AT THE DEEP UNDERGROUND SCIENCE AND ENGINEERING LABORATORY, SOUTH DAKOTA, USA: CONSTRAINING REACTIONS AND EPISODES OF MINERAL GROWTH WITHIN THE HOMESTAKE MINE

Lindsay E. Chasten, South Dakota School of Mines & Technology, Rapid City, SD and Michael P. Terry, South Dakota School of Mines & Technology, Rapid City, SD and Michael J. Jercinovic, University of Massachusetts, Amherst, Amherst, MA

164991 (Technical Sessions)

9:00 AM

MULTIPLE SULFUR ISOTOPES OF PALEOPROTEROZOIC C- AND S-RICH METASEDIMETARY ROCKS ASSOCIATED WITH SULFIDE ORE DEPOSITS IN EASTERN FINLAND AND NORTHWESTERN RUSSIA

Seth A. Young, Indiana University, Bloomington, IN and Kirsti Loukola-Ruskeeniemi, Geological Survey of Finland, Espoo, N/A and Lisa M. Pratt, Indiana University, Bloomington, IN

165626 (Technical Sessions)

9:00 AM

ISOTOPIC ANALYSES OF THE GROUSE CREEK BLOCK: A LINK TO THE WYOMING CRATON?

Misty Stroud, University of Florida, Gainesville, FL and David A. Foster, University of Florida, Gainesville, FL and Paul Mueller, University of Florida, Gainesville, FL and George Kamenov, University of Florida, Gainesville, FL

166110 (Technical Sessions)

9:00 AM

THE BEAVER DAM – GOLD BUTTE TREND, UTAH AND NEVADA: A COLLISIONAL BOUNDARY OFFERING INSIGHTS INTO THE NATURE OF YAVAPAI PROVINCE CRUST

Mark R. Colberg, Southern Utah University, Cedar City, UT

166176 (Technical Sessions)

9:00 AM

AN INVESTIGATION OF THE MINERALOGY, PETROLOGY AND GEOCHEMISTRY OF BANDED IRON FORMATIONS FROM THE NUVVUAGITTUQ SUPRACRUSTAL BELT, CANADA

Adrianna Rajkumar, Appalachian State University, Boone, NC and Dominic Papineau, Carnegie Institution of Washington, Washington, DC and Marilyn Fogel, Carnegie Institution of Washington, Washington, DC

166440 (Technical Sessions)

9:00 AM

GEOCHEMISTRY AND TECTONIC SETTING OF THE YATES UNIT OF THE POORMAN FORMATION (DUSEL BEDROCK) AND OTHER NORTHERN BLACK HILLS AMPHIBOLITES

Brennan T. Jordan, University of South Dakota, Vermillion, SD

166531 (Technical Sessions)

9:00 AM

PRELIMINARY PALEOMAGNETIC DATA ON LATE CAMBRIAN TO ORDOVICIAN CARBONATE BEDS OF TAMDY SERIES FROM THE LESSER KARATAU MICROCONTINENT, SOUTH KAZAKHSTAN

Vimal Roy Pradhan, Gainesville, FL and Joseph G. Meert, University of Florida, Gainesville, FL and Natalia M. Levashova, Academy of Science of Russia, Moscow, N/A and Anatoly S. Gibsher, Siberian Branch of the Academy of Science of Russia, Novosibirsk, N/A

166637 (Technical Sessions)

9:00 AM

THE ANGEL LAKE GNEISS COMPLEX REVISITED: PRECAMBRIAN GEOLOGY OF THE NORTHERN EAST HUMBOLDT RANGE, ELKO COUNTY, NEVADA

Allen McGrew, The University of Dayton, Dayton, OH and W.R. Premo, USGS, Denver Federal Center, Denver, CO and A.W. Snoke, Univ of Wyoming, Laramie, WY and Anthony Asher, The Univ of Dayton, Dayton, OH

166909 (Technical Sessions)

9:00 AM

EVIDENCE OF BENTHIC BIOLOGICAL ACTIVITY PRESERVED IN SILICICLASTIC SEDIMENTARY STRUCTURES, NEOPROTEROZOIC UINTA MOUNTAIN GROUP, HIGH UINTAS WILDERNESS, UTAH

Harry F. Filkorn, Natural History Museum of Los Angeles County, Los Angeles, CA

167157 (Technical Sessions)

98 Precambrian Geology (Posters)

Presentations