Session: Precambrian Geology (Posters) (2015 GSA Annual Meeting in Baltimore, Maryland, USA (1-4 November 2015))

Paper #

Booth #

309-1

354

NEW U-PB BADDELEYITE AGE AND PALEOMAGNETIC CONSTRAINTS FOR THE UITKOMST COMPLEX IN SOUTH AFRICA: CLUES TO THE TIMING OF INTRUSION

WABO, Herve¹, OLSSON, Johan², DE KOCK, Michiel O.¹, HUMBERT, Fabien¹ and SODERLUND, Ulf², (1)Department of Geology, University of Johannesburg, P.O. Box 524, Auckland Park, Johannesburg, 2006, South Africa, (2)Department of Geology, GeoBiosphere Science Centre, Lund University, Solvegatan SE-223 62, Lund, 12, Sweden, waboherve@yahoo.fr

309-2

355

EARLY PROTEROZOIC (APHEBIAN) PLAN-VIEW ALGAL MATS IN THE LOWER ALBANEL BLACK SHALE ON LAKE MISTASSINI, CENTRAL QUEBEC

MICHAEL, Daniel C., 122 Eckman Road, Lancaster, PA 17602 and CUFFEY, Roger J., Department of Geosciences, Pennsylvania State Univ, 412 Deike Bldg, University Park, PA 16802, hawkstalker@gmail.com

309-3

356

THE DEPOSITIONAL FEATURE OF MIXED SYSTEM IN MARINE ROCKS OF CHANGCHENG SYSTEM OF PRE-CAMBRIAN IN NORTHERN CHINA

WU, Yinye and YUE, Ting, Petroleum Geology, RIPED of China, P.O.Box910, No.20 Xueyuan Road,Haidian District,Beijing, Beijing, 100083, China, wyy@petrochina.com.cn

309-4

357

GEOLOGY OF OLKILUOTO - THE DISPOSAL SITE FOR SPENT NUCLEAR FUEL IN FINLAND

AALTONEN, Ismo S.¹, ENGSTRÖM, Jon O.², FRONT, Kai A.³, GEHÖR, Seppo A.⁴, KÄRKI, Aulis J.⁵, KOSUNEN, Paula J.⁶, MATTILA, Jussi A.⁶, PAANANEN, Markku² and PAULAMÄKI, Seppo², (1)Development, Posiva Oy, Olkiluoto, Eurajoki, FI-27160, Finland, (2)Geological Survey of Finland, Espoo, FI-02151, Finland, (3)VTT Technical Research Centre of Finland, Espoo, FI-02044, Finland, (4)Technical Faculty, University of Oulu, Oulu, FI-90014, Finland, (5)Kivitieto Oy, Oulu, FI-90570, Finland, (6)Development, Posiva Oy, Eurajoki, FI-27160, Finland, ismo.aaltonen@posiva.fi

309-5

358

ISOTOPIC ANALYSIS OF DETRITAL ZIRCON FROM QUARTZITE IN THE PALEOPROTEROZOIC MURMAC BAY GROUP ON THE RAE CRATON

SAWADA, Hikaru, Earth and Planetary Sciences, Tokyo Institute of Technology, 2 Chome-12-1 Ookayama, Meguro, Tokyo, Tokyo, 152-8550, Japan, ISOZAKI, Yukio, Univ Tokyo, 3-8-1 Komaba, Meguro, Tokyo, 153-8902, Japan, TSUTSUMI, Yukiyasu, National Museum of Nature and Science, Tokyo, 169-0073, Japan and IIZUKA, Tsuyoshi, Earth and Planetary Sciences, University of Tokyo, 7-3-1 Hongo, Bunkyo, Tokyo, Tokyo, 113-8654, Japan, sawada.h.aa@m.titech.ac.jp

309-6

359

LATE PALEOPROTEROZOIC ANIMIKE BASIN DEPOSITS, UPPER GREAT LAKES REGION, REINTEREPRETED AS BOTH PENOKEAN AND YAVAPAI OROGENIC SEDIMENTATION

HOLM, Daniel K., Department of Geology, Kent State University, Kent, OH 44242, SCHEINER, Scott W., Geology, Kent State University, Kent, OH 44242 and BOERBOOM, Terrence J., Minnesota Geological Survey, University of Minnesota, 2642 University Avenue W, St. Paul, MN 55114, dholm@kent.edu

309-7

360

U–PB MONAZITE AGES SUGGEST A COMPLEX MESOPROTEROZOIC METAMORPHIC HISTORY DURING THE PICURIS OROGENY RECORDED BY METAPELITES OF THE RINCON RANGE, NORTH–CENTRAL NEW MEXICO

HALLETT, Benjamin W., Department of Geology, University of Wisconsin Oshkosh, 800 Algoma Blvd, Oshkosh, WI 54901, DANIEL, Christopher G., Department of Geology and Environmental Geosciences, Bucknell University, 1 Dent Drive, Lewisburg, PA 17837, MCFARLANE, Christopher R.M., Department of Earth Sciences, University of New Brunswick, 2 Bailey Drive, Fredericton, NB E3B 5A3, Canada and STOTTER, Sara V., Department of Geology, Bucknell University, 701 Moore Avenue, Lewisburg, PA 17837, hallettb@uwosh.edu

309-8

361

STRUCTURAL CONTEXT AND AGE CONSTRAINTS FOR THE SYNOROGENIC MARQUENAS FM. METACONGLOMERATE, PICURIS MTNS, NEW MEXICO

GRAY, M.B.¹, TOFT, M.E.¹, MCFARLANE, Christopher R.M.² and DANIEL, Christopher G.¹, (1)Geology and Env. Geosciences, Bucknell University, 1 Dent Drive, Lewisburg, PA 17837, (2)Earth Sciences, University of New Brunswick, Fredericton, NB E3B 5A3, Canada, mbgray@bucknell.edu

309-9

362

TESTING MODELS OF POLYMETAMORPHISM ACROSS NORTHERN NEW MEXICO: U-PB MONAZITE AGES SUGGEST TWO POSSIBLE MESOPROTEROZOIC METAMORPHIC EVENTS AT 1420 MA AND 1380 MA

STOTTER, Sara V., Department of Geology, Bucknell University, 701 Moore Avenue, Lewisburg, PA 17837, DANIEL, Christopher G., Department of Geology and Environmental Geosciences, Bucknell University, 1 Dent Drive, Lewisburg, PA 17837 and MCFARLANE, Christopher R.M., Department of Earth Sciences, University of New Brunswick, 2 Bailey Drive, Fredericton, NB E3B 5A3, Canada, svs007@bucknell.edu

309-10

363

NEW INSIGHTS INTO THE CHARACTER OF THE MEDICINE HAT BLOCK (SOUTHERN ALBERTA, NORTHERN MONTANA) FROM WHOLE ROCK GEOCHEMISTRY, ZIRCON LA-ICPMS U/PB AND HF ISOTOPIC ANALYSIS

GIFFORD, Jennifer, Geology and Geological Engineering, University of Mississippi, 120A Carrier Hall, University, MS 38677, MALONE, Shawn J., Department of Geosciences, Ball State University, Muncie, IN 47306 and DAVIS, William J., Geological Survey of Canada, Ottawa, ON K1A 0E8, Canada, jngiffor@olemiss.edu

309-11

364

WEATHERING IN HADEAN AND ITS ROLE IN MATERIAL CYCLE

OMORI, Soichi, The Open University of Japan, 2-11 Wakaba, Mihama-ku, Chiba, 2618586, Japan, omori@ouj.ac.jp

309-12

365

MICRO-SCALE SILICON ISOTOPE HETEROGENEITY OBSERVED IN HYDROTHERMAL QUARTZ PRECIPITATES FROM THE >3.7 GA ISUA GREENSTONE BELT, SW GREENLAND

BRENGMAN, Latisha Ashley, Department of Earth and Environmental Sciences, University of Minnesota, Duluth, 229 Heller Hall, 1114 Kirby Drive, Duluth, MN 55812, FEDO, Christopher M., Department of Earth & Planetary Sciences, University of Tennessee, 1412 Circle Drive, Knoxville, TN 37996 and WHITEHOUSE, Martin J., Department of Geosciences, Swedish Museum of Natural History, Stockholm, SE-104 05, Sweden, latisha.brengman@gmail.com