Activity

2018

• RAPID OSCILLATIONS OF GLOBAL MARINE REDOX CONDITIONS AT THE DEVONIAN-CARBONIFEROUS TRANSITION
  T234 Greenhouse to Icehouse Transition: Global Events of the Devonian, Carboniferous, and Early Permian I
  Wednesday, 7 November 2018

  8:00 AM - 12:00 PM

  Room 140
• CALCIUM ISOTOPE EVIDENCE OF AN EPISODE OF OCEAN ACIDIFICATION ACROSS THE SMITHIAN-SPATHIAN BOUNDARY
  T80 Global Change: Evolution and Extinctions in the Triassic
  Monday, 5 November 2018

  8:00 AM - 12:00 PM

  Room 136-137
• TWO EPISODES OF EXTENSIVE MARINE ANOXIA DURING THE PERMIAN-TRIASSIC BOUNDARY RECORDED BY URANIUM ISOTOPES IN MARINE DOLOMITE
  T11 New Developments in Geochemical Proxies for Paleoceanographic Research
  Sunday, 4 November 2018

  8:00 AM - 12:00 PM

  Room 140
• LOWER TRIASSIC CARBONATE δ238U RECORD DEMONSTRATES EXPANDED OCEAN ANOXIA DURING SMITHIAN THERMAL MAXIMUM AND IMPROVED VENTILATION DURING SMITHIAN-SPATHIAN BOUNDARY COOLING EVENT
  T11 New Developments in Geochemical Proxies for Paleoceanographic Research
  Sunday, 4 November 2018

  8:00 AM - 12:00 PM

  Room 140

2017

• THE EVOLVING REDOX LANDSCAPE OF THE NANHUA BASIN ACROSS THE NEOPROTEROZOIC/CAMBRIAN TRANSITION
  T346 The Co-Evolution of Life and Its Environment during the Precambrian: The Late Proterozoic Rise of Animals; Climate, Tectonic, and Environmental Dynamics, and the Transition into the Early Paleozoic
  Wednesday, 25 October 2017

  1:30 PM - 5:30 PM

  Skagit 5
• PRIMARY OR SECONDARY? TESTING THE NEOPROTEROZOIC SUPERHEAVY PYRITE BY SIMS
  T139 Celebrating Dr. John W. Valley's Contributions to Isotope Geochemistry and Beyond, from the Hadean to the Holocene II
  Monday, 23 October 2017

  1:30 PM - 5:30 PM

  Skagit 2
• QUANTITATIVE CONSTRAINTS ON END-PERMIAN AND EARLY TRIASSIC OCEANIC ANOXIA USING HIGH-RESOLUTION δ238U RECORDS
  T38 High-Resolution Investigations of the Permian-Triassic Transition
  Sunday, 22 October 2017

  1:30 PM - 5:30 PM

  Room 611
• TRACKING GLOBAL SEAWATER REDOX TRENDS DURING THE LATE DEVONIAN EXTINCTION USING U ISOTOPES OF UPPER DEVONIAN MARINE CARBONATES
  T11 Oxygen and Ecosystems from the Proterozoic to the Paleozoic
  Sunday, 22 October 2017

  8:00 AM - 12:00 PM

  Room 607

2016

• MULTIPLE, SHORT-LIVED OCEAN ANOXIC EVENTS ACROSS THE LATE DEVONIAN MASS EXTINCTION DETECTED USING URANIUM ISOTOPES OF MARINE CARBONATES
  T240 Excursions, Extinctions, and Environmental Change: New Advances in Geochemical Tools Linked to Critical Intervals of Environmental and Biotic Change in Earth History (Posters)
  Tuesday, 27 September 2016

  9:00 AM - 6:30 PM

  Exhibit Hall E/F

2015

• PROTRACTED GLOBAL OCEAN ANOXIA DELAYED BIOTIC RECOVERY FOLLOWING THE END-PERMIAN MASS EXTINCTION
  T278 Early and Middle Triassic Restructuring Following the End-Permian Mass Extinction
  Wednesday, 4 November 2015

  8:00 AM - 12:00 PM

  Room 316
• AN EPISODE OF WIDESPREAD OCEAN ANOXIA DURING THE LATEST EDIACARAN PERIOD REVEALED BY LIGHT U ISOTOPE COMPOSITIONS IN CARBONATES
  T280 Geobiology of Critical Transitions: Integrating Fossils, Proxies, and Models II
  Wednesday, 4 November 2015

  8:00 AM - 12:00 PM

  Room 325/326
• SPATIAL VARIATIONS IN MICROBIAL COMMUNITY COMPOSITION BETWEEN WATER AND SEDIMENT SAMPLES IN LITTLE HOT CREEK, CALIFORNIA: IMPLICATIONS FOR THE ROLE OF TEMPERATURE IN CONTROLLING HOT SPRING DIVERSITY
  T109 Molecular Methodology and the Heart of Geobiology (Posters)
  Monday, 2 November 2015

  9:00 AM - 6:30 PM

  Exhibit Hall