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Activity

2008

• REGIONAL MIDDLE AND LATE KATIAN (LATE ORDOVICIAN) δ13C CHEMOSTRATIGRAPHY IN NORTH AMERICA: COMPARISON BETWEEN SUCCESSIONS IN IOWA, THE CINCINNATI REGION IN KENTUCKY AND OHIO, AND THE ARBUCKLE MOUNTAINS IN OKLAHOMA
  8 Sediments and Stratigraphy (Posters)
  Thursday, 24 April 2008

  8:00 AM - 12:00 PM
• GEOCHEMICAL EVIDENCE OF ENHANCED OCEAN ANOXIA DURING THE LATE CAMBRIAN SPICE EVENT AND IMPLICATIONS FOR TRILOBITE BIOMERE EXTINCTIONS
  12 Paleontology/Sedimentology/Stratigraphy
  Thursday, 20 March 2008

  8:00 AM - 12:00 PM

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2007

• A LATE CAMBRIAN OCEAN ANOXIC EVENT
  111 Paleoclimatology/Paleoceanography (Posters)
  Monday, 29 October 2007

  1:30 PM - 5:30 PM
• A GLOBAL CHANGE IN δ13C OF ORGANIC MATTER DURING THE LATE ORDOVICIAN HIRNANTIAN: IMPLICATIONS FOR ATMOSPHERIC CO2 LEVELS AND GLACIATION
  T28 Late Paleozoic Glacial-interglacial Climate Changes: Analogs for Present and Future Climate Changes (Posters)
  Sunday, 28 October 2007

  8:00 AM - 12:00 PM
• INCREASED CARBON ISOTOPIC FRACTIONATION DURING THE LATE CAMBRIAN SPICE EVENT AND A PULSE OF ATMOSPHERIC OXYGEN
  5 Oxygen, Evolution, and Extinction
  Sunday, 28 October 2007

  8:00 AM - 12:00 PM

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2006

• A LARGE, RAPID 87/86SR DROP ACROSS THE MIDDLE TO LATE ORDOVICIAN BOUNDARY: IMPLICATIONS FOR PALEOCEANOGRAPHY & WEATHERING OF THE TACONIC HIGHLANDS
  T198 Epi-continental Seas in the Geological Record: The Limitations of the Uniformitarian Paradigm I
  Wednesday, 25 October 2006

  8:00 AM - 12:00 PM
• CORRELATION OF CARBON ISOTOPE (δ13C) STRATIGRAPHY WITH SHIFTS IN LITHOFACIES AND TRILOBITE BIOFACIES, LATE ORDOVICIAN VIOLA GROUP, SOUTHERN OKLAHOMA
  31 Current Applications of Geochemistry to Marine Paleoecology
  Tuesday, 21 March 2006

  1:00 PM - 5:00 PM
• THE GLOBAL STRATOTYPE-SECTION AND POINT (GSSP) FOR THE BASE OF THE MIDDLE STAGE OF THE UPPER ORDOVICIAN SERIES AT BLACK KNOB RIDGE, SOUTHEASTERN OKLAHOMA, USA
  7 Stratigraphy/Paleontology/Petrology/Volcanology (Posters)
  Monday, 6 March 2006

  1:30 PM - 5:10 PM

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2004

• A LARGE SEAWATER 87SR/86SR DROP (~ 0.0008) IN THE MIDDLE TO LATE ORDOVICIAN (LATE WHITEROCKIAN): EVIDENCE FROM CENTRAL NEVADA
  T156 Ocean Chemistry through the Precambrian and Paleozoic (Posters)
  Tuesday, 9 November 2004

  8:00 AM - 12:00 PM

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2003

• AGE AND SIGNIFICANCE OF THE SEQUENCE BOUNDARY AT THE BASE OF THE EUREKA QUARTZITE IN CENTRAL NEVADA
  T181 New Perspectives on Neoproterozoic–Early Paleozoic Development of Western Laurentia: In Honor of John Cooper
  Tuesday, 4 November 2003

  1:30 PM - 5:30 PM
• REGIONAL CARBON ISOTOPE (d13C) STRATIGRAPHY OF CHATFIELDIAN (UPPER MIDDLE ORDOVICIAN) CARBONATES IN CENTRAL AND EASTERN NORTH AMERICA
  3 Pander Society Symposium (Posters)
  Monday, 24 March 2003

  8:00 AM - 12:00 PM

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Date Unknown

• PALEOOCEANOGRAGHIC ASPECTS OF THE EARLY CHATFIELDIAN (UPPER MIDDLE ORDOVICIAN) POSITIVE d13C EXCURSION (GICE)
  256 Sediments, Carbonates (Posters)
• TRANS-ATLANTIC CORRELATION OF UPPER ORDOVICIAN δ13C EXCURSIONS
  35 A Continent Encompassed: Issues in North American Paleozoic Stratigraphy (Posters)
• LATE ORDOVICIAN d13CCARB, δ13CORG, AND 87/86SR STRATIGRAPHY ON OPPOSITE SIDES OF LAURENTIA: TECTONIC AND CLIMATIC IMPLICATIONS FOR A GREENHOUSE-ICEHOUSE TRANSITION
  28 GeoSystems and CHRONOS: Probing Earth’s Deep-Time Climate and Linked Systems (Posters)
• A DETAILED δ13C CURVE THROUGH THE CINCINNATIAN SERIES (UPPER ORDOVICIAN) IN ITS TYPE AREA: SIGNIFICANCE FOR REGIONAL CHEMOSTRATIGRAPHIC CORRELATIONS
  54 Stratigraphy (Posters)
• THE FIRST RECORD OF THE ORDOVICIAN GUTTENBERG δ13C EXCURSION (GICE) IN ASIA: CHEMOSTRATIGRAPHY OF THE PAGODA LIMESTONE AND YANWASHAN FORMATION IN SOUTH-EASTERN CHINA
  54 Sediments, Carbonates (Posters)
• STRATIGRAPHIC SIGNIFICANCE OF δ13C CHEMOSTRATIGRAPHY IN THE UPPER ORDOVICIAN-LOWER SILURIAN OF THE NORTH AMERICAN MIDCONTINENT
  54 Stratigraphy (Posters)