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Activity

2024

• HYDROTHERMAL IRON IN THE SANTORINI CALDERA – INSIGHTS FROM IRON SPECIATION AND IMPLICATIONS FOR ANCIENT BANDED IRON FORMATIONS
  T126 Ore Genesis in Extensional Tectonic Environments
  Monday, 23 September 2024

  1:30 PM - 5:30 PM

  207C

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2023

• SPATIOTEMPORAL WATERMASS EVOLUTION IN THE LATE DEVONIAN APPALACHIAN SEAWAY: EXPLORING THE LINK BETWEEN SEDIMENTATION, REDOX, AND SALINITY
  39 Deciphering the Devonian World, from Biotic to Environmental Crises across the Globe
  Sunday, 19 March 2023

  8:00 AM - 12:00 PM

  Regency Ballroom A

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2022

• ARTHUR L. DAY MEDAL: WORLDS WITH AND WITHOUT OXYGEN: A CAREER-LONG JOURNEY FROM MODERN EARTH TO ANCIENT EARTH TO EARTH-LIKE PLANETS FAR BEYOND
  T259 Dynamics of Earth’s Climate System and Biogeochemical Cycles in Deep Time
  Wednesday, 12 October 2022

  1:30 PM - 5:30 PM

  506
• CO-EVOLVING REDOX AND ECOSYSTEM STRUCTURES IN THE EARLY OCEANS: PROBING THE EARLIEST ENVIRONMENTAL CONTROLS AND CONSEQUENCES OF COMPLEX LIFE
  T87 New Voices in Geobiology
  Monday, 10 October 2022

  8:00 AM - 12:00 PM

  507
• WATERMASS RECONSTRUCTION IN ANCIENT EPEIRIC SEAS: REDOX AND SALINITY ANALYSIS OF DEVONIAN-MISSISSIPPIAN BLACK SHALES OF THE APPALACHIAN BASIN, NORTH AMERICA
  25 Integrated Studies of Paleozoic Black Shale
  Friday, 8 April 2022

  8:00 AM - 12:00 PM

  North Meeting Room 205

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2021

• LATERAL WATERMASS GRADIENTS RECORDED IN ORGANIC-RICH FACIES OF THE LATE DEVONIAN APPALACHIAN AND ILLINOIS BASINS, USA
  T144 Broken Paradigms: Shallow-Water Deposition of Organic-Rich Facies through Earth History
  Tuesday, 12 October 2021

  8:00 AM - 12:00 PM

  B113/B114 (Hybrid Room)
• PROTEROZOIC OXYGENATIONS AND CARBON ISOTOPE EXCURSIONS DRIVEN BY COUPLED SURFACE-INTERIOR CARBON CYCLING
  T76 The Neoproterozoic Earth-Life System
  Monday, 11 October 2021

  8:00 AM - 12:00 PM

  E141/E142 (Hybrid Room)
• DYNAMIC EVOLUTION OF MARINE CHEMISTRY LINKED TO WAX AND WANE OF THE GLACIATIONS IN A RESTRICTED CRYOGENIAN BASIN
  T76 The Neoproterozoic Earth-Life System
  Monday, 11 October 2021

  8:00 AM - 12:00 PM

  E141/E142 (Hybrid Room)

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2020

• WATERMASS RECONSTRUCTION IN THE EARLY MISSISSIPPIAN APPALACHIAN SEAWAY BASED ON REDOX AND SALINITY PROXY VARIATION
  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

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2019

• OXYGEN AND THE RISE COMPLEX LIFE
  236 Understanding the Neoproterozoic Earth-Life System
  Wednesday, 25 September 2019

  8:00 AM - 12:00 PM

  North Ballroom 120D, North Building
• MULTIPLE NEGATIVE MOLYBDENUM ISOTOPE EXCURSIONS IN THE DOUSHANTUO FORMATION (SOUTH CHINA) FINGERPRINT COMPLEX REDOX-RELATED PROCESSES IN THE EDIACARAN NANHUA BASIN
  T221 Understanding the Neoproterozoic Earth-Life System
  Tuesday, 24 September 2019

  1:30 PM - 5:30 PM

  Room 102AB, West Building
• ASSESSING THE BIOAVAILABILITY OF MO IN ARCHEAN OCEANS
  T7 Iron Formations, Ferruginous Sediments, and Redox through Time and Space
  Sunday, 22 September 2019

  8:00 AM - 12:00 PM

  Room 229A, North Building
• MOLYBDENUM ISOTOPE AND TRACE METAL SIGNALS IN AN IRON-RICH MESOPROTEROZOIC OCEAN: A SNAPSHOT FROM THE VINDHYAN BASIN, INDIA
  41 D26. Recent Advances in Precambrian Geology (Posters)
  Sunday, 22 September 2019

  9:00 AM - 5:30 PM

  Hall AB, North Building
• A MULTI-BASIN SEDIMENTARY MERCURY ANALYSIS OF THE MIOCENE MONTEREY FORMATION
  29 Reconstructing Paleo-Environmental Changes (Posters)
  Friday, 29 March 2019

  8:00 AM - 12:00 PM

  Carolina Ballroom

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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
• CONSTRAINING THE MOLYBDENUM ISOTOPE BUDGET OF 2.63 – 2.50 GA OCEANS
  T249 The Co-Evolution of Life and Its Environment during the Precambrian: The Rise of Oxygenic Photosynthesis and the Great Oxidation Event
  Tuesday, 24 October 2017

  1:30 PM - 5:30 PM

  Skagit 5
• QUANTIFYING ARCHEAN OXYGENATION - INSIGHTS FROM SULFIDE OXIDATION EXPERIMENTS AT LOW PO2
  T249 The Co-Evolution of Life and Its Environment during the Precambrian: The Rise of Oxygenic Photosynthesis and the Great Oxidation Event
  Tuesday, 24 October 2017

  1:30 PM - 5:30 PM

  Skagit 5
• CONSTRAINTS ON URANIUM ISOTOPE FRACTIONATION AND RELATED RECONSTRUCTIONS OF PAST MARINE REDOX CONDITIONS FROM THE MIOCENE MONTEREY FORMATION
  T30 New Voices in Geobiology I
  Sunday, 22 October 2017

  8:00 AM - 12:00 PM

  Room 602/603

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2016

• THE STEPWISE EVOLUTION OF MARINE DE-OXYGENATION DURING A CRETACEOUS OAE2
  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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2014

• SULFUR ISOTOPE EVIDENCE FOR LATE ORDOVICIAN OCEAN OXYGENATION: IMPLICATIONS FOR THE DRIVERS OF THE HIRNANTIAN EXTINCTION
  T257 The Ordovician Revolution: Co-Evolution of Climate and the Biosphere
  Tuesday, 21 October 2014

  1:00 PM - 5:00 PM

  215/216
• QUANTITATIVE CONSTRAINTS ON THE EXTENT OF MIDDLE PROTEROZOIC OCEAN ANOXIA FROM MODELING OF THE OCEANIC MASS BALANCE OF RHENIUM
  237 Paleoclimatology/Paleooceanography
  Tuesday, 21 October 2014

  1:00 PM - 5:00 PM

  223/224
• THE POTENTIAL BIOLOGICAL IMPACT OF EOLIAN DELIVERY OF REACTIVE IRON TO LATE PALEOZOIC ICEHOUSE SEAS
  T76 Critical Earth-Life Transitions: The Terrestrial Perspective
  Sunday, 19 October 2014

  1:00 PM - 5:00 PM

  215/216

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2013

• TURBULENT TIMES FOR EARLY ANIMALS?
  T328 Advances in the Application of Biogeochemical Datasets in Paleoenvironmental and Paleoecological Studies
  Wednesday, 30 October 2013

  8:00 AM - 12:00 PM

  Mile High Ballroom 1AB
• GROWTH AND PRESERVATION OF CUSPATE MICROBIAL FORMS, MESOPROTEROZOIC DISMAL LAKES GROUP, ARCTIC CANADA
  93 Sediments, Carbonates
  Monday, 28 October 2013

  8:00 AM - 12:00 PM

  Room 203
• A CR ISOTOPE PERSPECTIVE ON PROTEROZOIC REDOX EVOLUTION
  4 Special Session: A Life in Earth History from Tectonics to Climate I: The Scientific Legacy of Paul F. Hoffman
  Sunday, 27 October 2013

  8:00 AM - 12:00 PM

  Mile High Ballroom 4EF

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2012

• PERSISTENCE OF WIDESPREAD MARINE ANOXIA AFTER NEOPROTEROZOIC OXYGENATION AND ITS EFFECT ON EARLY ANIMAL EVOLUTION AND FOSSIL PRESERVATION
  T84 Fossil Preservation, Biological Evolution, and Environmental Change at the Dawn of Animal Radiation: An Examination of Geobiological Events across the Ediacaran–Cambrian Transition I
  Monday, 5 November 2012

  8:00 AM - 12:00 PM

  217D

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2010

• NEW VIEW OF THE OLD OCEAN: A PREVALENCE OF DEEP IRON AND MARGINALIZED SULFIDE FROM THE LATE ARCHEAN THROUGH THE PROTEROZOIC
  T238 Marine Redox Evolution: Controls and Consequences I
  Wednesday, 3 November 2010

  8:00 AM - 12:00 PM

  Room 203
• NUMERICAL MODELING OF ARCHEAN UPWELLING
  T238 Marine Redox Evolution: Controls and Consequences I
  Wednesday, 3 November 2010

  8:00 AM - 12:00 PM

  Room 203
• FORMATION OF SYNGENETIC AND EARLY DIAGENETIC IRON MINERALS IN THE LATE ARCHEAN MT. MCRAE SHALE: PALEOCEANOGRAPHIC IMPLICATIONS
  T238 Marine Redox Evolution: Controls and Consequences I
  Wednesday, 3 November 2010

  8:00 AM - 12:00 PM

  Room 203
• A NON-DIAGENETIC ORIGIN OF THE LOMAGUNDI POSITIVE CARBON ISOTOPE EXCURSION
  T161 Understanding High-Amplitude Stable Isotope Variations in Proterozoic Strata
  Tuesday, 2 November 2010

  8:00 AM - 12:00 PM

  Room 207
• AN INVESTIGATION THE SULFUR CYCLE DURING CAMBRIAN SPICE EVENT THROUGH THE USE OF MULTIPLE SULFUR ISOTOPE STRATIGRAPHY
  T191 Deciphering Paleozoic Paleoenvironmental Changes Using Stable and Radiogenic Isotope Proxies (Posters)
  Tuesday, 2 November 2010

  8:00 AM - 6:00 PM

  Hall D
• CARBONATE-ASSOCIATED SULFATE, δ34S AND δ13C ANALYSES OF DOLOMITE CONCRETIONS OF THE MIOCENE MONTEREY FORMATION: INSIGHTS INTO PRECIPITATION ENVIRONMENTS
  T204 Geochemical and Isotopic Evolution of Sedimentary and Crystalline Formation Brines
  Tuesday, 2 November 2010

  1:30 PM - 5:30 PM

  Room 402
• CAMBRIAN SPICE (STEPTOEAN POSITIVE CARBON ISOTOPE EXCURSION) AS A MODEL FOR COMPARABLE PROTEROZOIC HIGH-AMPLITUDE ISOTOPIC EVENTS
  T161 Understanding High-Amplitude Stable Isotope Variations in Proterozoic Strata
  Tuesday, 2 November 2010

  8:00 AM - 12:00 PM

  Room 207
• PERTURBATIONS TO THE GLOBAL SULFUR CYCLE DURING OCEAN ANOXIC EVENTS
  T112 Marine Redox Evolution: Controls and Consequences (Posters)
  Monday, 1 November 2010

  8:00 AM - 6:00 PM

  Hall D

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2009

• SULFUR AND CARBON ISOTOPIC TRENDS THROUGH THE EDIACARAN-CAMBRIAN TRANSITION AT CLAYTON RIDGE OF EASTERN NEVADA, USA
  168 Geochemistry (Posters)
  Tuesday, 20 October 2009

  9:00 AM - 6:00 PM

  Hall A
• LINKING WATER COLUMN AND SEDIMENTARY SULFUR ISOTOPE PATTERNS IN A EUXINIC LAKE
  T111 The Present is the Key to the Past: Identifying and Characterizing Isotopic Pattern and Process in Modern Ecosystems (Posters)
  Monday, 19 October 2009

  9:00 AM - 6:00 PM

  Hall A
• SURFACE OCEAN OXYGENATION PRECEDED THE GREAT OXIDATION EVENT
  T10 Microbial Mats, Biogeochemical Markers, and Microbial Evolution: The Co-Evolution of Early Earth and Microbial Life
  Sunday, 18 October 2009

  8:00 AM - 12:00 PM

  C124

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2008

• Trace Metal-Organic Interactions In Sediments and the Preservation of Paleoredox Proxies
  T284 From Mud to Mudrock: Use of Modern Depositional Settings as Analogs for the Interpretation of Ancient Mudrocks
  Wednesday, 8 October 2008

  8:00 AM - 12:00 PM
• Developing a Modern Lake Geochemical Model for Interpreting Marine from Nonmarine Deposition on Early Earth
  T284 From Mud to Mudrock: Use of Modern Depositional Settings as Analogs for the Interpretation of Ancient Mudrocks
  Wednesday, 8 October 2008

  8:00 AM - 12:00 PM
• Behavior of Carbonate-Associated Sulfate during Meteoric Diagenesis and Implications for the Sulfur Isotope Paleoproxy
  T294 Geochemical Tracers of Changes in Seawater Chemistry
  Wednesday, 8 October 2008

  8:00 AM - 12:00 PM
• Geochemical Evidence for Widespread Reducing Ocean during the Middle to Late Cambrian
  T230 Paleozoic Oceanographic and Climatic Changes: Evidence from Seawater Geochemistry and Sedimentology Records I
  Tuesday, 7 October 2008

  8:00 AM - 12:00 PM
• Chemostratigraphic Correlation of Terminal Neoproterozoic Units from Caborca, Mexico
  222 Geochemistry; Geochemistry, Organic
  Tuesday, 7 October 2008

  8:00 AM - 12:00 PM
• Carbonate-Associated Sulfate from the Precambrian-Cambrian Transition in the Western Great Basin, USA
  141 Geochemistry; Geochemistry, Organic (Posters)
  Sunday, 5 October 2008

  8:00 AM - 4:45 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

• CARBON AND SULFUR CYCLING IN CRETACEOUS COLD SEEPS RECORDED IN THE PARAGENESIS AND GEOCHEMISTRY OF DIAGENETIC CARBONATES
  T126 Perspectives in Redox Geochemistry and Microbial Processes
  Tuesday, 30 October 2007

  8:00 AM - 12:00 PM
• TRACE METAL CYCLING IN MEROMICTIC MAHONEY LAKE, BRITISH COLUMBIA: IMPLICATIONS FOR MOLYBDENUM BURIAL IN SULFIDIC ENVIRONMENTS
  T160 Inland Waters, Playas and Saline Lakes: More than Mini-Oceans
  Tuesday, 30 October 2007

  1:30 PM - 5:30 PM
• STABLE ISOTOPIC COMPOSITION OF SULFATE IN MEROMICTIC MAHONEY LAKE AND IMPLICATIONS FOR THE EARLY OCEAN
  T160 Inland Waters, Playas and Saline Lakes: More than Mini-Oceans
  Tuesday, 30 October 2007

  1:30 PM - 5:30 PM
• THE IRON ISOTOPE VARIATIONS IN THE ~ 2.5 GA MT. MCRAE SHALE
  T166 Emerging New Methods in Early Earth Studies: Unraveling the Co-Evolution of Earth and Life
  Tuesday, 30 October 2007

  1:30 PM - 5:30 PM
• A LATE CAMBRIAN OCEAN ANOXIC EVENT
  111 Paleoclimatology/Paleoceanography (Posters)
  Monday, 29 October 2007

  1:30 PM - 5:30 PM
• SULFUR AND OXYGEN ISOTOPES OF SULFATE PRODUCED BY SULFIDE OXIDATION BY THE PURPLE SULFUR BACTERIUM ALLOCHROMATIUM VINOSUM
  T47 The Solar Stew: The Search for Ingredients of Life and Biomarkers in Our Solar System: Past or Present
  Sunday, 28 October 2007

  1:30 PM - 5:30 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

• THE PERMIAN-TRIASSIC BOUNDARY AT NHI TAO, VIETNAM: EVIDENCE FOR RECURRENT INFLUX OF SULFIDIC WATERMASSES TO A SHALLOW-MARINE CARBONATE PLATFORM
  T137 Mass Extinctions: New Approaches Analyzing Process Links Between Land and Sea
  Tuesday, 24 October 2006

  8:00 AM - 12:00 PM
• OXYGEN ISOTOPE COMPOSITION OF CARBONATE-ASSOCIATED SULFATE AND THE SOURCES AND CYCLING OF SULFATE IN THE EARLY OCEAN
  T46 Changes in Ocean and Atmospheric Redox State and the Evolution of Life II
  Sunday, 22 October 2006

  1:30 PM - 5:30 PM
• GEOCHEMICAL EVIDENCE FOR THE RESTRICTION OF OXIC DEPOSITIONAL ENVIRONMENTS IN THE PROTEROZOIC OCEAN
  T46 Changes in Ocean and Atmospheric Redox State and the Evolution of Life II
  Sunday, 22 October 2006

  1:30 PM - 5:30 PM
• THE ISOTOPIC EXPRESSION OF IRON SHUTTLING IN THE EUXINIC BLACK SEA BASIN AND IMPLICATIONS FOR THE RISE OF OXYGEN IN THE EARLY ATMOSPHERE
  T46 Changes in Ocean and Atmospheric Redox State and the Evolution of Life II
  Sunday, 22 October 2006

  1:30 PM - 5:30 PM
• CARBON SOURCE CONTROLS ON ISOTOPIC COMPOSITION OF SULFATE BY SULFATE-REDUCING BACTERIA AND IMPLICATIONS FOR EVOLUTION OF THE EARLY ATMOSPHERE
  T46 Changes in Ocean and Atmospheric Redox State and the Evolution of Life II
  Sunday, 22 October 2006

  1:30 PM - 5:30 PM
• MOLYBDENUM CONCENTRATION AND ISOTOPIC COMPOSITION IN THE ~2.5 GA MCRAE SHALE, HAMERSLEY BASIN, WESTERN AUSTRALIA: AN EARLY WHIFF OF OXYGEN?
  T46 Changes in Ocean and Atmospheric Redox State and the Evolution of Life II
  Sunday, 22 October 2006

  1:30 PM - 5:30 PM
• THE PRESERVATION OF NON-MASS DEPENDENT SULFUR ISOTOPE ANOMALIES IN A DEEP TIME ASTROBIOLOGY DRILL CORE FROM WESTERN AUSTRALIA
  T20 Changes in Ocean and Atmospheric Redox State and the Evolution of Life I
  Sunday, 22 October 2006

  8:00 AM - 12:00 PM

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2005

• SULFUR PROXIES IN TYPE III BLACK SHALES: FE, MN, CO, CU, NI, ZN, SC
  T76 Weathering, Sedimentation, and Diagenesis in Major Element Cycles I: In Memory of Raymond Siever
  Monday, 17 October 2005

  8:00 AM - 12:00 PM
• PETROLOGY AND PETROGRAPHY OF THE TEPEE BUTTES (CRETACEOUS) METHANE-SEEP CARBONATES
  57 Paleontology (Posters) I
  Sunday, 16 October 2005

  1:30 PM - 5:30 PM
• TRACE METALS IN PRECAMBRIAN BLACK SHALES AND THE EVOLVING REDOX STATE OF THE EARLY OCEAN
  45 Marine Anoxia over Geologic Time—Where, When, Why, and Cause and Effect Relationships to the Evolving Biosphere III
  Thursday, 11 August 2005

  9:00 AM - 12:00 PM
• KEYNOTE: MO-TOC COVARIATION IN MODERN ANOXIC MARINE ENVIRONMENTS: IMPLICATIONS FOR ANALYSIS OF PALEOREDOX AND -HYDROGRAPHIC CONDITIONS
  41 Marine Anoxia over Geologic Time—Where, When, Why, and Cause and Effect Relationships to the Evolving Biosphere II
  Wednesday, 10 August 2005

  1:30 PM - 4:30 PM
• ESTIMATING THE RESIDENCE TIME OF EPEIRIC SEA WATERMASSES FROM SEDIMENTARY ELEMENTAL PROXIES
  7 Influence of Epeiric Sea Dynamics on the Interpretation of Isotope Secular Curves II
  Monday, 8 August 2005

  1:30 PM - 4:30 PM