GSA Annual Meeting in Seattle, Washington, USA - 2017

Session No. 41
Sunday, 22 October 2017: 1:30 PM-5:30 PM
Room 607 (Washington State Convention Center)

T55. Life and Times in the Early Paleozoic

Paleontological Society
Erik A. Sperling, Stephen Leslie and Matt Saltzman, Advocates
1:30 PM
THE UPPER CAMBRIAN NORTH CHINA SPICE EVENT: NEW STRONTIUM ISOTOPE DATA AND ITS IMPLICATIONS
NG, Tin-Wai1, HUANG, Kuo-Fang2, LIU, Hou-Chun3, YOU, Chen-Feng3 and LIN, Wei-Chen3, (1)Department of Science Education, National Taipei University of Education, No. 134, Sec. 2, Heping E. Road, Taipei, 10671, Taiwan, (2)Institute of Earth Sciences, Academia Sinica, 128, Sec. 2, Academia Road, Nangang District, Taipei, 11529, Taiwan, (3)Department of Earth Sciences, National Cheng Kung University, No.1, University Road, Tainan City, 701, Taiwan, twng@tea.ntue.edu.tw
1:45 PM
A NEW TRILOBITE FAUNA AND ASSOCIATED CARBON ISOTOPIC EXCURSION AT THE TOP OF THE PTYCHASPID BIOMERE IN EASTERN ALASKA: WHITTLING DOWN A GAP IN THE LATE CAMBRIAN TIME SCALE
TAYLOR, John F., Geoscience Dept, Indiana University of Pennsylvania, Indiana, PA 15705, STRAUSS, Justin V., Department of Earth Sciences, Dartmouth College, HB6105 Fairchild Hall, Hanover, NH 03755 and REPETSKI, John E., 926A National Center, U.S. Geological Survey, Reston, VA 20192, jftaylor@iup.edu
2:00 PM
DECIPHERING THE RECORD OF BIOLOGIC AND ENVIRONMENTAL CHANGE DURING THE LATER CAMBRIAN STEPTOEAN POSITIVE CARBON ISOTOPE EXCURSION (Invited Presentation)
GILL, Benjamin C.1, LEROY, Matthew A.1, GERHARDT, Angela1, THEM, Theodore R.2 and OWENS, Jeremy D.3, (1)Department of Geosciences, Virginia Polytechnic Institute and State University, 4044 Derring Hall, Blacksburg, VA 24061, (2)Department of Earth, Ocean and Atmospheric Science, Florida State University, National High Magnetic Field Laboratory, Tallahassee, FL 32306, (3)Department of Earth, Ocean, and Atmospheric Sciences, Florida State University, National High Magnetic Field Laboratory, Tallahassee, FL 32306, bcgill@vt.edu
2:20 PM
"GICE GICE BABY" - BUT WAS THERE ICE? (Invited Presentation)
HERRMANN, Achim D.1, QUINTON, Page C.2, MARTIN, Ellen E.3, LESLIE, S.A.4, MACLEOD, Kenneth G.5 and ROBINET, Richard M.1, (1)Coastal Studies Institute and Department of Geology & Geophysics, Louisiana State University, Baton Rouge, LA 70803, (2)Department of Geological Sciences, SUNY Potsdam, Potsdam, NY 13676, (3)Department of Geological Sciences, University of Florida, 241 Williamson Hall, Gainesville, FL 32611-2120, (4)Geology and Environmental Sciences, James Madison University, MSC 6903, Harrisonburg, VA 22807, (5)Department of Geological Sciences, The University of Missouri-Columbia, University of Missouri, 101 Geology Building, Columbia, MO 65211, aherrmann@lsu.edu
2:40 PM
QUANTIFYING EARLY MARINE DIAGENESIS IN SHALLOW-WATER CARBONATE SEDIMENTS DURING THE LATEST ORDOVICIAN GLACIATION (Invited Presentation)
AHM, Anne-Sofie C., Department of Geosciences, Princeton University, Prinveton, NJ 08540, JONES, David S., Geology Department, Amherst College, 11 Barrett Hill Road, Amherst, MA 01002, FIKE, David A., Earth and Planetary Sciences, Washington University in St. Louis, One Brookings Drive, Campus Box 1169, St Louis, MO 63130, BJERRUM, Christian J., Department of Geoscience and Natural Resource Management, University of Copenhagen, Copenhagen K, 1350, Denmark and HIGGINS, John A., Department of Geosciences, Princeton University, Princeton, NJ 08544, ascahm@gmail.com
 
3:00 PM
Break
3:15 PM
SEQUENCES, EXTINCTIONS AND δ13C EXCURSIONS IN THE SILURIAN THORNTON REEF OF ILLINOIS
MIKULIC, Donald G. and KLUESSENDORF, Joanne, Weis Earth Science Museum, University of Wisconsin-Fox Valley, 1478 Midway Road, Menasha, WI 54952, mikulic@illinois.edu
3:30 PM
OCEANOGRAPHIC REDOX CHANGES ASSOCIATED WITH THE LATE SILURIAN LAU EXTINCTION EVENT: NEW GEOCHEMICAL EVIDENCE FROM THE PRIEKULE-20 DRILL CORE, LATVIA
BOWMAN, Chelsie N.1, YOUNG, Seth A.1, OWENS, Jeremy D.1, KALJO, Dimitri2, HINTS, Olle2 and MARTMA, Tonu2, (1)Department of Earth, Ocean, and Atmospheric Sciences, Florida State University, National High Magnetic Field Laboratory, Tallahassee, FL 32306, (2)Department of Geology, Tallinn University of Technology, Tallinn, 19086, Estonia, cnb09@my.fsu.edu
3:45 PM
PRECISE TISSUE BOUNDARY FORMATION AND THE GROWTH PATTERN OF THE EARLY ANIMALS
LAN, Tian and WANG, Mingkun, Paleontology Research Center of Guizhou, Guizhou Univercity, Guiyang, China, lantianing@sina.com
4:00 PM
NW AFRICA’S OLDEST KNOWN SKELETAL FOSSILS: A NEW CAMBRIAN SMALL SHELLY FOSSIL FAUNA FROM SOUTH MOROCCO
LETSCH, Dominik, Department of Earth Sciences, Institute of Geochemistry and Petrology, Clausiusstrasse 25, Zurich, CH-8092, Switzerland; ETH Zurich, Institute of Geochemistry and Petrology, Clausiusstrasse 25, Zurich, 8092, Switzerland, LARGE, Simon, Zurich, CH-8092, Switzerland; ETH Zurich, Institute of Geochemistry and Petrology, Clausiusstrasse 25, Zurich, 8092, Switzerland, VON QUADT, Albrecht, ETH Zurich, Institute of Geochemistry and Petrology, Clausiusstrasse 25, Zurich, 8092, Switzerland, WINKLER, Wilfried, Geological Institute, Sonneggstrasse 5, Zurich, CH-8092, Switzerland; Institute of Geology, Dpt. of Earth Sciences, Swiss Federal Institute of Technology, Universitätstrasse 16, Zurich, 8092, Switzerland, BERNASCONI, Stefano M., Institute of Geology, Dpt. of Earth Sciences, Swiss Federal Institute of Technology, Universitätstrasse 16, Zurich, 8092, Switzerland and KLUG, Christian, Palaeontological Institute and Museum, University of Zurich, Karl-Schmid-Strasse 4, Zürich, 8006, Switzerland, dletsch@erdw.ethz.ch
4:15 PM
EARLY GOGIID (ECHINODERMATA) EVOLUTION IN CAMBRIAN STAGES 4 AND 5 ON THE SOUTH CHINA (YANGTZE) PLATE COMPARED TO THAT IN WESTERN LAURENTIA
PARSLEY, Ronald L., Department of Earth and Environmental Sciences, Tulane University, New Orleans, LA 70118; Department of Paleobiology, Smithsonian Institution, Washington, DC 20560, ZHAO, Yuanlong, College of Resource and Environment Engineering, Guizhou University, Guiyang, 550003, China and SUMRALL, Colin D., Department of Earth and Planetary Sciences, University of Tennessee, 1621 Cumberland Ave, 602 Strong Hall, Knoxville, TN 37996-1410, parsley@tulane.edu
4:30 PM
EXTRAORDINARY STROMATOPOROID-ECHINODERM BUILDUPS IN THE LATE ORDOVICIAN (KATIAN) KIMMSWICK LIMESTONE OF EAST-CENTRAL MISSOURI
WITTMER, Jacalyn M., Geological Sciences, State University of New York at Geneseo, One College Circle, Geneseo, NY 14454, GUENSBURG, Thomas E., IRC, Field Museum, 1400 South Lake Shore Drive, Chicago, IL 60605, STOCK, Carl W., Department of Geological Sciences, University of Alabama, Emeritus, 31220 Florence Road, Conifer, CO 80433-7515, DARROUGH, Guy, Lost World Studios, Cadet, MO 63630 and BRETT, Carlton E., Department of Geology, University of Cincinnati, 500 Geology/Physics Bldg, Cincinnati, OH 45221-0013, malinowski@geneseo.edu
4:45 PM
FIRST REEF RECOVERY AFTER THE END-ORDOVICIAN EXTINCTION IN SOUTH CHINA: MID-AERONIAN CORAL-STROMATOPOROID REEFS FROM NORTHERN GUIZHOU
LI, Qijian1, KERSHAW, Steve2, LI, Yue1 and YU, Shenyang1, (1)Key Laboratory of Economic Stratigraphy and Palaeogeography, Nanjing Institute of Geology and Palaeontology, East Beijing Road 39, Nanjing, 210008, China, (2)Department of Life Sciences, Halsbury Building, Brunel University, Uxbridge, UB8 3PH, United Kingdom, qijianli@hotmail.com
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