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Activity

2025

• HYDROGRAPHIC EVOLUTION OF THE EPEIRIC SEAWAYS OF NORTH AMERICA DURING THE LATE DEVONIAN: IMPLICATIONS FOR HABITABILITY AND MASS EXTINCTIONS
  45 From the Land to the Sea: Devonian Depositional Systems of the Appalachian Region
  Friday, 21 March 2025

  1:30 PM - 3:30 PM

  Appalachian B
• EDIACARAN OCEAN OXYGENATION; INSIGHTS FROM THE PORTFJELD GROUP, NORTH GREENLAND
  21 Co-evolution of Life and its Environment: From Biodiversification Events to Mass Extinction and Everything in Between
  Thursday, 20 March 2025

  1:30 PM - 3:30 PM

  Appalachian B

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2024

• THE SHURAM EXCURSION: NOVEL ISOTOPIC AND BIOLOGICAL CONSTRAINTS ON AN ENDURING EDIACARAN ENIGMA
  T56 New Advances in Geobiology
  Sunday, 22 September 2024

  1:30 PM - 5:30 PM

  208A
• URANIUM ISOTOPE EVIDENCE FOR WELL-OXYGENATED OCEANS IMMEDIATELY PRIOR TO THE END-CRYOGENIAN MARINOAN GLACIATION
  T3 Advances in Nontraditional Stable Isotope Measurements and Utility as Proxies in Modern and Paleo-Settings
  Sunday, 22 September 2024

  8:00 AM - 12:00 PM

  207A
• INTENSE CONTINENTAL CHEMICAL WEATHERING DURING THE EDIACARAN SHURAM EXCURSION
  T3 Advances in Nontraditional Stable Isotope Measurements and Utility as Proxies in Modern and Paleo-Settings
  Sunday, 22 September 2024

  8:00 AM - 12:00 PM

  207A
• CARBONATE URANIUM ISOTOPES RECORD OCEAN OXYGENATION IN THE EDIACARAN PORTFJELD GROUP, NORTH GREENLAND
  T34 Advances in Nontraditional Stable Isotope Measurements and Utility as Proxies in Modern and Paleo-Settings (Posters)
  Sunday, 22 September 2024

  8:00 AM - 5:30 PM

  Hall D

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2023

• REDOX CONDITIONS OF TERMINAL EDIACARAN AND EARLY CAMBRIAN LAGERSTÄTTEN IN RUSSIA
  166 D25. Recent Developments in Paleoecology (Posters)
  Tuesday, 17 October 2023

  8:00 AM - 5:30 PM

  Hall B
• 3D RECONSTRUCTIONS OF AN EDIACARAN SPONGE-GRADE ANIMAL FROM THE PATOM UPLIFT OF SIBERIA
  T96 35th Annual Undergraduate Research Exhibition (Posters)
  Monday, 16 October 2023

  8:00 AM - 5:30 PM

  Hall B
• INVERSE COUPLING OF CARBON AND URANIUM ISOTOPE ANOMALIES IN NEOPROTEROZOIC CARBONATES OF SIBERIA
  T105 Oceans and Climates through Earth History: Modelling, Proxy, and Proxy Development Studies (Posters)
  Monday, 16 October 2023

  8:00 AM - 5:30 PM

  Hall B
• RECONSTRUCTING THE LI ISOTOPIC COMPOSITION OF TERMINAL EDIACARAN SEAWATER
  T129 Advances in Non-Traditional Stable Isotope Measurements and Utility as Proxies in Modern and Paleo-Settings II
  Monday, 16 October 2023

  1:30 PM - 5:30 PM

  335
• WIDESPREAD AND PERSISTENT EUXINIA IN FORTUNIAN (EARLY CAMBRIAN) OCEANS: URANIUM ISOTOPES AND CERIUM ANOMALIES IN CARBONATES FROM THE IGARKA UPLIFT, SIBERIA
  T129 Advances in Non-Traditional Stable Isotope Measurements and Utility as Proxies in Modern and Paleo-Settings II
  Monday, 16 October 2023

  1:30 PM - 5:30 PM

  335
• THE CRYOGENIAN EMERGENCE OF SPONGE-GRADE ANIMALS AND THEIR ENVIRONMENTAL CONSEQUENCES
  2 D8. Paleontology: Diversity, Extinction, and Origination I
  Sunday, 15 October 2023

  8:00 AM - 12:00 PM

  306 / 307

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2022

• BIOMINERALIZATION OF AN EDIACARAN SPONGE IN SHURAM EXCURSION STRATA OF THE PATOM UPLIFT IN SIBERIA
  68 D21. Laying the Foundation for the Modern Earth System at the Neoproterozoic-Paleozoic Transition
  Monday, 10 October 2022

  8:00 AM - 12:00 PM

  Mile High Ballroom 4C
• EDIACARAN SHURAM EXCURSION INTERPRETED, REINTERPRETED, AND MISINTERPRETED
  68 D21. Laying the Foundation for the Modern Earth System at the Neoproterozoic-Paleozoic Transition
  Monday, 10 October 2022

  8:00 AM - 12:00 PM

  Mile High Ballroom 4C
• WHO LIVES IN A PINEAPPLE UNDER THE EDIACARAN SEA?: NOVEL BIOMINERALIZED FOSSILS FROM THE PATOM UPLIFT, SIBERIA
  68 D21. Laying the Foundation for the Modern Earth System at the Neoproterozoic-Paleozoic Transition
  Monday, 10 October 2022

  8:00 AM - 12:00 PM

  Mile High Ballroom 4C
• AN OCEAN VENTILATION EVENT RECORDED BY URANIUM ISOTOPES IN THE TONIAN SHORIKHA FORMATION (BITTER SPRINGS-EQUIVALENT), SIBERIA
  T26 Comings and Goings of Proterozoic Global Glaciations (Posters)
  Sunday, 9 October 2022

  9:00 AM - 1:00 PM

  Exhibit Hall F
• CARBON CYCLE PERTURBATIONS AT THE FRASNIAN-FAMENNIAN BOUNDARY IN THE ILLINOIS BASIN, USA
  25 Integrated Studies of Paleozoic Black Shale
  Friday, 8 April 2022

  8:00 AM - 12:00 PM

  North Meeting Room 205
• NITROGEN ISOTOPE CONSTRAINTS ON REDOX CONDITIONS IN THE NORTH PACIFIC OCEAN DURING THE WARM PLIOCENE EPOCH
  19 Development and Application of Geochemical Proxies to Paleoclimate Studies (Posters)
  Thursday, 7 April 2022

  1:30 PM - 5:30 PM

  Junior Ballroom B

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2021

• URANIUM ISOTOPE EVIDENCE FOR REDOX COUPLING OF THE CARBON CYCLE
  T214 Life's Innovations from the Early Earth to the Search on Modern Mars II: Honoring the Career of Andrew H. Knoll
  Wednesday, 13 October 2021

  8:00 AM - 12:00 PM

  Portland Ballroom 255 (Hybrid Room)
• COUPLED CARBON, SULFUR, AND BARIUM CYCLES DURING THE EDIACARAN SHURAM EXCURSION: A SYNTHESIS
  T76 The Neoproterozoic Earth-Life System
  Monday, 11 October 2021

  8:00 AM - 12:00 PM

  E141/E142 (Hybrid Room)
• EUSTASY, EUXINIA, AND EXTINCTION: GLOBAL REORGANIZATION ACROSS THE DEVONIAN-CARBONIFEROUS TRANSITION
  T74 New Perspectives on Phanerozoic Mass Extinctions and Environmental Perturbations II
  Monday, 11 October 2021

  8:00 AM - 12:00 PM

  E143/E144
• A DIVERSE EDIACARA ASSEMBLAGE SURVIVED UNDER ANOXIC CONDITIONS
  T76 The Neoproterozoic Earth-Life System
  Monday, 11 October 2021

  8:00 AM - 12:00 PM

  E141/E142 (Hybrid Room)
• URANIUM ISOTOPES IN PLATFORM CARBONATES RECORD A MAJOR EXPANSION OF GLOBAL OCEAN EUXINIA ACROSS CRETACEOUS OAE 2
  24 D14. Recent Advances in Paleoclimatology/Paleoceanography (Posters)
  Sunday, 10 October 2021

  9:00 AM - 1:00 PM

  Exhibit Hall A
• A NEW RECORD OF THE KLONK POSITIVE CARBON ISOTOPE EXCURSION ACROSS THE SILURIAN-DEVONIAN BOUNDARY, WEST VIRGINIA, USA
  61 D25. Recent Advances in Sediments, Carbonates (Posters)
  Sunday, 10 October 2021

  2:30 PM - 6:30 PM

  Exhibit Hall A

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2020

• REDOX LANDSCAPE OF EDIACARAN AND CAMBRIAN EVOLUTIONARY EVENTS
  T76 Co-Evolution of Earth’s Surface Environment and Eukaryotic Life from the Mid-Proterozoic to Early Paleozoic
  Tuesday, 27 October 2020

  1:30 PM - 5:30 PM

  Meeting Rooms
• A HYDROTHERMAL ORIGIN OF THE STRONTIUM ISOTOPE ANOMALIES IN EDIACARAN CARBONATES OF SAUDI ARABIA
  29 D22. Sediments, Carbonates
  Monday, 26 October 2020

  5:30 PM - 8:00 PM

  Meeting Rooms
• STABLE ISOTOPES RECORD PALEOCLIMATIC CHANGES ACROSS THE LATEST MAASTRICHTIAN CHALK GROUP, NORTHERN JUTLAND, DENMARK
  50 Chemostratigraphic, Biotic, and Sedimentologic Changes through Earth History (Posters)
  Saturday, 21 March 2020

  1:30 PM - 5:30 PM

  Lake Anne

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2019

• WHEN LIFE GOT HARD: AN ENVIRONMENTAL DRIVER FOR METAZOAN BIOMINERALIZATION
  236 Understanding the Neoproterozoic Earth-Life System
  Wednesday, 25 September 2019

  8:00 AM - 12:00 PM

  North Ballroom 120D, North Building
• PROBING AN ATYPICAL SHURAM EXCURSION BY SIMS
  T272 Understanding the Neoproterozoic Earth-Life System (Posters)
  Wednesday, 25 September 2019

  9:00 AM - 6:30 PM

  Hall AB, North Building
• USING SIMS DATA TO UNDERSTAND THE ROLE OF AUTHIGENIC CARBONATE IN THE ORIGIN OF CHAOTIC STRATIGRAPHIC VARIATIONS OF CARBON ISOTOPES IN THE EARLY EDIACARAN DOUSHANTUO FORMATION
  236 Understanding the Neoproterozoic Earth-Life System
  Wednesday, 25 September 2019

  8:00 AM - 12:00 PM

  North Ballroom 120D, North Building

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2016

• WIDESPREAD OCEAN OXIDATION IN THE EDIACARAN YANGTZE PLATFORM: CARBON ISOTOPE AND FE GEOCHEMISTRY EVIDENCE FROM DEEP WATER SECTIONS
  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
• COUPLED ISOTOPIC EVIDENCE FOR ELEVATED pCO2 AND NITROGEN LIMITATION ACROSS THE SANTONIAN-CAMPANIAN TRANSITION
  T145 Sedimentary, Paleobiologic, and Geochemical Studies of Deep Time Ocean-Climate Perturbations II: Honoring the Scientific Contributions of Michael A. Arthur
  Monday, 26 September 2016

  1:30 PM - 5:30 PM

  Room 402

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2015

• TRACING EARTH’S O2 EVOLUTION USING ZN/FE SYSTEMATICS IN MARINE 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
• 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
• AN AUTHIGENIC ORIGIN FOR THE MIDDLE EDIACARAN SHURAM EXCURSION: THE VIEW FROM NAMIBIA AND SOUTH CHINA
  177 Earth-Life Systems at the Dawn of Animals
  Tuesday, 3 November 2015

  8:00 AM - 12:00 PM

  Room 327/328/329
• ENVIRONMENTAL CONTEXT FOR ANIMAL BIOMINERALIZATION AND FOSSIL PYRITIZATION IN THE TERMINAL EDIACARAN PERIOD
  T250 Geobiology of Critical Transitions: Integrating Fossils, Proxies, and Models I
  Tuesday, 3 November 2015

  1:30 PM - 5:30 PM

  Room 325/326
• FACIES AND BIOLOGICAL CONTROLS ON THE PRESERVATION OF ATMOSPHERIC INPUTS IN ARCHEAN MARINE ENVIRONMENTS
  40 Paleoclimatology/Paleoceanography (Posters)
  Sunday, 1 November 2015

  9:00 AM - 5:30 PM

  Exhibit Hall