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Activity

2025

• THE UPS AND DOWNS OF EARLY SILURIAN BIODIVERSITY: NEW INSIGHTS FROM THALLIUM ISOTOPIC RECORDS OF SOUTH CHINA AND BALTOSCANDIA
  40 Co-evolution of Life and its Environment: From Biodiversification Events to Mass Extinction and Everything in Between (Posters)
  Friday, 21 March 2025

  1:00 PM - 5:00 PM

  Shenandoah ABC
• NEW INSIGHTS INTO THE LOCAL REDOX LANDSCAPE OF THE MIDDLE ORDOVICIAN BALTOSCANDIAN CARBONATE SHELF FROM I/CA RECORDS
  40 Co-evolution of Life and its Environment: From Biodiversification Events to Mass Extinction and Everything in Between (Posters)
  Friday, 21 March 2025

  1:00 PM - 5:00 PM

  Shenandoah ABC
• RECORDS OF ORDOVICIAN CARBON CYCLING IN DEEP WATER SETTINGS FROM BALTICA: KRAPPERUP AND LERHAMN DRILL CORES-SCANIA, SWEDEN
  40 Co-evolution of Life and its Environment: From Biodiversification Events to Mass Extinction and Everything in Between (Posters)
  Friday, 21 March 2025

  1:00 PM - 5:00 PM

  Shenandoah ABC

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2024

• MULTIPROXY CHEMOSTRATIGRAPHIC CONSTRAINTS ON PALEOREDOX CONDITIONS DURING THE EARLY TO MIDDLE ORDOVICIAN INTERVAL IN THE BALTIC BASIN
  T112 Oceans and Climates through Earth History: Modeling, Proxy, and Proxy Development Studies (Posters)
  Monday, 23 September 2024

  8:00 AM - 5:30 PM

  Hall D

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2023

• INSIGHTS INTO THE GLOBAL REDOX STATE OF THE EARLY SILURIAN OCEANS FROM NEW THALLIUM ISOTOPE RECORDS WITHIN BALTICA
  T238 The Early Paleozoic: Radiations, Extinctions, and Environment (Posters)
  Wednesday, 18 October 2023

  8:00 AM - 5:30 PM

  Hall B
• ASSESSING GLOBAL MARINE REDOX CHANGES DURING THE MID-SILURIAN MULDE/LUNDGRENI EXTINCTION EVENT
  T238 The Early Paleozoic: Radiations, Extinctions, and Environment (Posters)
  Wednesday, 18 October 2023

  8:00 AM - 5:30 PM

  Hall B
• CONSTRAINING REDUCING CONDITIONS IN THE PRAGUE BASIN DURING THE LATE SILURIAN LAU/KOZLOWSKII EXTINCTION EVENT
  T80 The Early Paleozoic III: Radiations, Extinctions, and Environment
  Monday, 16 October 2023

  8:00 AM - 12:00 PM

  304 / 305
• THE UTILITY OF MULTI-LITHOLOGY, MULTI-PROXY APPROACHES TO UNRAVELING LOCAL-TO-GLOBAL DEEP-TIME BIOGEOCHEMICAL EVENTS: A HOLISTIC CASE STUDY OF LINKS BETWEEN MIDDLE ORDOVICIAN BIODIVERSIFICATION AND MARINE OXYGENATION
  T58 The Early Paleozoic II: Radiations, Extinctions, and Environment
  Sunday, 15 October 2023

  1:30 PM - 5:30 PM

  304 / 305
• CONSTRAINING PALEOREDOX CONDITIONS DURING THE MIDDLE SILURIAN MULDE/LUNDGRENI EVENT, CAPE PHILLIPS FORMATION, ARCTIC CANADA
  7 D5. Paleontology and Paleoclimatology (Posters)
  Friday, 17 March 2023

  8:00 AM - 12:00 PM

  Grand Ballroom A–D

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2022

• A MAJOR ISSUE WITH OCEANIC ANOXIC EVENTS: OXYGEN PRODUCTION AND POSSIBLE MEANS TO REDUCE IT
  T259 Dynamics of Earth’s Climate System and Biogeochemical Cycles in Deep Time
  Wednesday, 12 October 2022

  1:30 PM - 5:30 PM

  506
• INSIGHTS INTO PHOSPHOGENESIS FROM A MULTI-PROXY PALEO-REDOX RECONSTRUCTION OF THE PERMIAN PHOSPHORIA BASIN, IDAHO, USA
  T259 Dynamics of Earth’s Climate System and Biogeochemical Cycles in Deep Time
  Wednesday, 12 October 2022

  1:30 PM - 5:30 PM

  506
• IODINE TO CALCIUM RATIOS (I/CA) SUGGEST INCREASED SHALLOW WATER DEOXYGENATION DURING THE LATER CAMBRIAN SPICE EVENT
  T260 Cambrian–Ordovician Faunas and Events: A Session in Honor of John F. Taylor and John E. Repetski
  Wednesday, 12 October 2022

  1:30 PM - 5:30 PM

  Mile High Ballroom 4A
• THE EXPANSION OF REDUCED ENVIRONMENTS DURING THE IREVIKEN BIOGEOCHEMICAL EVENT: NEW Δ34S DATA ACROSS THE LLANDOVERY-WENLOCK BOUNDARY OF GOTLAND, SWEDEN
  T168 Dynamics of Earth’s Climate System and Biogeochemical Cycles in Deep Time (Posters)
  Tuesday, 11 October 2022

  9:00 AM - 1:00 PM

  Exhibit Hall F
• URANIUM AND MOLYBDENUM ISOTOPE EVIDENCE FOR GLOBALLY EXTENSIVE MARINE EUXINIA ON CONTINENTAL MARGINS AND IN EPICONTINENTAL SEAS DURING THE DEVONIAN-CARBONIFEROUS HANGENBERG CRISIS
  34 D38. General Topics in Geochemistry
  Sunday, 9 October 2022

  1:30 PM - 5:30 PM

  Mile High Ballroom 4C

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2021

• IDENTIFYING THE CAUSES OF EARLY PALEOZOIC MASS EXTINCTIONS USING NEW CARBONATE GEOCHEMICAL PROXIES: LOCAL EVIDENCE OF MARINE ANOXIA USING I/CA RATIOS
  T10 New Perspectives on Phanerozoic Mass Extinctions and Environmental Perturbations I
  Sunday, 10 October 2021

  8:00 AM - 12:00 PM

  E143/E144
• EXPANSION OF REDUCING MARINE ENVIRONMENTS DURING THE EARLY SILURIAN IREVIKEN BIOGEOCHEMICAL EVENT
  T10 New Perspectives on Phanerozoic Mass Extinctions and Environmental Perturbations I
  Sunday, 10 October 2021

  8:00 AM - 12:00 PM

  E143/E144

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2020

• INVESTIGATING THE ROLE OF MARINE REDOX CONDITIONS IN AN EARLY SILURIAN MASS EXTINCTION (IREVIKEN EVENT): A DEEPER WATER PERSPECTIVE
  32 Chemostratigraphic, Biotic, and Sedimentologic Changes through Earth History
  Saturday, 21 March 2020

  8:00 AM - 12:00 PM

  Lake Audubon
• GEOCHEMICAL EVIDENCE OF ENVIRONMENTAL CHANGE SURROUNDING THE LATE SILURIAN LAU/KOZLOWSKII EXTINCTION EVENT FROM SHALE RECORDS OF PERUNICA (CZECH REPUBLIC)
  50 Chemostratigraphic, Biotic, and Sedimentologic Changes through Earth History (Posters)
  Saturday, 21 March 2020

  1:30 PM - 5:30 PM

  Lake Anne
• GEOCHEMICAL EVIDENCE FOR DYNAMIC MARINE REDOX CONDITIONS THROUGHOUT THE LATE ORDOVICIAN (HIRNANTIAN) MASS EXTINCTION
  32 Chemostratigraphic, Biotic, and Sedimentologic Changes through Earth History
  Saturday, 21 March 2020

  8:00 AM - 12:00 PM

  Lake Audubon

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2019

• A BASINAL EXPRESSION OF THE LATE SILURIAN (LUDFORDIAN) EXTINCTION EVENT: INTEGRATED SEDIMENTARY, BIOTIC, AND PALEOREDOX DYNAMICS IN A CARBONATE PLATFORM FROM SOUTHERN LAURENTIA
  T88 Integrated Biostratigraphy and Chemostratigraphy Using Conodonts—North American Pander Society Annual Meeting
  Monday, 23 September 2019

  8:00 AM - 12:00 PM

  Room 227ABC, North Building
• INVESTIGATING THE ROLE OF MARINE REDOX CONDITIONS IN AN EARLY SILURIAN MASS EXTINCTION (IREVIKEN EVENT): A DEEPER WATER PERSPECTIVE
  T36 Oceans and Climates throughout Earth’s History: From Proxy Reconstructions to Model Assessments (Posters)
  Sunday, 22 September 2019

  9:00 AM - 5:30 PM

  Hall AB, North Building
• INVESTIGATING REDOX DYNAMICS ACROSS THE CAMBRIAN-ORDOVICIAN BOUNDARY: A DEEP-WATER PERSPECTIVE FROM BALTICA
  T68 The Ordovician Earth: Integrated Perspectives on the Fossil and Rock Records
  Sunday, 22 September 2019

  1:30 PM - 5:30 PM

  Room 228AB, North Building
• DID EARLY LAND PLANTS PRODUCE A STEPWISE-CHANGE IN ATMOSPHERIC OXYGEN DURING THE LATE ORDOVICIAN (SANDBIAN ~ 458 MA)?
  T68 The Ordovician Earth: Integrated Perspectives on the Fossil and Rock Records
  Sunday, 22 September 2019

  1:30 PM - 5:30 PM

  Room 228AB, North Building
• PALEOREDOX CHANGES ASSOCIATED WITH EARLY SILURIAN EXTINCTION EVENTS: NEW GEOCHEMICAL EVIDENCE FROM BALTOSCANDIA
  29 Reconstructing Paleo-Environmental Changes (Posters)
  Friday, 29 March 2019

  8:00 AM - 12:00 PM

  Carolina Ballroom
• GEOCHEMICAL EVIDENCE OF REDOX CHANGES ASSOCIATED WITH THE LATE SILURIAN LAU/KOZLOWSKII EXTINCTION FROM CARBONATE FACIES OF LAURENTIA AND BALTICA
  2 Reconstructing Paleo-Environmental Changes I
  Thursday, 28 March 2019

  8:00 AM - 12:00 PM

  Gold Ballroom
• TRANS-ATLANTIC REDOX RECORDS THROUGH A MID-SILURIAN EXTINCTION EVENT
  2 Reconstructing Paleo-Environmental Changes I
  Thursday, 28 March 2019

  8:00 AM - 12:00 PM

  Gold Ballroom

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2018

• ENVIRONMENTAL CONTROLS ON ORGANIC CARBON PRODUCTIVITY IN THE MIDLAND BASIN
  T258 Earth-Life Transitions: Critical Information from Deep Time to Manage Future Environmental Change (Posters)
  Wednesday, 7 November 2018

  9:00 AM - 6:30 PM

  Halls J-K
• CARBON ISOTOPE STRATIGRAPHY OF THE SANDBIAN STAGE IN THE CENTRAL APPALACHIAN BASIN
  T121 Sedimentary Geology Division/SEPM Student Research Competition: Dynamics of Stratigraphy and Sedimentation (Posters)
  Monday, 5 November 2018

  9:00 AM - 6:30 PM

  Halls J-K
• DYNAMIC LOCAL AND GLOBAL MARINE REDOX CONDITIONS DURING AN EARLY SILURIAN EXTINCTION (IREVIKEN EVENT): GEOCHEMICAL EVIDENCE FROM LAURENTIA
  T11 New Developments in Geochemical Proxies for Paleoceanographic Research
  Sunday, 4 November 2018

  8:00 AM - 12:00 PM

  Room 140
• EVIDENCE OF OCEANIC EUXINIA ASSOCIATED WITH THE LATE SILURIAN LAU/KOZLOWSKII EXTINCTION FROM LAURENTIAN CARBONATES OF TENNESSEE AND NEVADA
  T36 New Developments in Geochemical Proxies for Paleoceanographic Research (Posters)
  Sunday, 4 November 2018

  9:00 AM - 5:30 PM

  Halls J-K
• COUPLING CARBONATE FACIES AND GEOCHEMICAL ANALYSES FOR IMPROVED UNDERSTANDING OF CONNECTIONS BETWEEN BIOLOGICAL, CHEMICAL AND PHYSICAL ROCK RECORDS: EXAMPLES FROM THE EARLY PALEOZOIC OF BALTOSCANDIA
  T37 Paleoenvironmental Reconstructions from Biogenic Carbonates (Posters)
  Sunday, 4 November 2018

  9:00 AM - 5:30 PM

  Halls J-K
• INVESTIGATING REDOX CONDITIONS AND MECHANISMS FOR THE END ORDOVICIAN (HIRNANTIAN) MASS EXTINCTION: A WESTERN LAURENTIA PERSPECTIVE
  T11 New Developments in Geochemical Proxies for Paleoceanographic Research
  Sunday, 4 November 2018

  8:00 AM - 12:00 PM

  Room 140
• LATE DEVONIAN ORGANIC-RICH WOODFORD SHALE DEPOSITS AND THE FRASNIAN/FAMENNIAN (F/F) AND DEVONIAN-CARBONIFEROUS (D/C) GLOBAL ANOXIC EVENTS
  19 Carbon in the Geosphere
  Tuesday, 13 March 2018

  1:30 PM - 4:25 PM

  Conway Room

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2017

• SEDIMENTARY GEOCHEMICAL INSIGHTS INTO MIDDLE–LATE ORDOVICIAN SEAS OF LAURENTIA: IMPLICATIONS FOR MARINE REDOX STATE, WEATHERING, AND BIODIVERSIFICATION
  T132 The Onset of the Great Ordovician Biodiversity Event (GOBE): Testing Hypotheses with Diverse Data Sets
  Monday, 23 October 2017

  1:30 PM - 5:30 PM

  Room 608
• SEQUENCE STRATIGRAPHIC ANALYSIS OF THE EVAN’S FERRY ROAD CUT, TN: A NEW PROSPECTIVE FOR LATE ORDOVICIAN (SANDBIAN) SEA LEVEL FROM THE APPALACHIAN BASIN
  T175 The Onset of the Great Ordovician Biodiversity Event (GOBE): Testing Hypotheses with Diverse Data Sets (Posters)
  Monday, 23 October 2017

  9:00 AM - 6:30 PM

  Halls 4EF
• OCEANOGRAPHIC REDOX CHANGES ASSOCIATED WITH THE LATE SILURIAN LAU EXTINCTION EVENT: NEW GEOCHEMICAL EVIDENCE FROM THE PRIEKULE-20 DRILL CORE, LATVIA
  T41 Life and Times in the Early Paleozoic
  Sunday, 22 October 2017

  1:30 PM - 5:30 PM

  Room 607
• DOUBLE TROUBLE: TRACKING (LATE WENLOCK) SILURIAN SULFUR AND CARBON CYCLE PERTURBATIONS ASSOCIATED WITH THE MULDE EVENT FROM TENNESSEE AND NEVADA
  T83 Life and Times in the Early Paleozoic (Posters)
  Sunday, 22 October 2017

  9:00 AM - 5:30 PM

  Halls 4EF
• EXPANSION OF ANOXIA/EUXINIA AS DRIVER FOR EARLY SILURIAN EXTINCTION EVENTS: NEW SEDIMENTARY AND GEOCHEMICAL PROXY DATA FROM BALTICA
  T83 Life and Times in the Early Paleozoic (Posters)
  Sunday, 22 October 2017

  9:00 AM - 5:30 PM

  Halls 4EF
• NEW LATE SILURIAN (LUDFORDIAN) δ<sup>13</sup>C AND δ<sup>34</sup>S ANALYSES FROM WESTERN TENNESSEE: AN OUTER RAMP PERSPECTIVE ON THE LAU CIE AND EXTINCTION EVENT
  T83 Life and Times in the Early Paleozoic (Posters)
  Sunday, 22 October 2017

  9:00 AM - 5:30 PM

  Halls 4EF

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2016

• EARLY SILURIAN (LLANDOVERY) BIOTIC AND OCEANOGRAPHIC EVENTS: INSIGHTS FROM NEW STABLE ISOTOPE GEOCHEMISTRY WITHIN THE BALTIC BASIN
  T183 Excursions, Extinctions, and Environmental Change: New Advances in Geochemical Tools Linked to Critical Intervals of Environmental and Biotic Change in Earth History
  Tuesday, 27 September 2016

  8:00 AM - 12:00 PM

  Room 404
• OCEANOGRAPHIC REDOX CHANGES ASSOCIATED WITH THE LATE SILURIAN LAU EVENT AS EVIDENCED FROM THE BROWNSPORT FORMATION, TENNESSEE
  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
• INVESTIGATING THE LINKAGE OF INCREASING OXYGEN TO THE GREAT ORDOVICIAN BIODIVERSIFICATION EVENT USING GEOCHEMICAL FINGERPRINTS IN THE APPALACHIAN BASIN
  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
• GEOCHEMICAL INVESTIGATION OF ENVIRONMENTAL CHANGES ASSOCIATED WITH THE EARLY SILURIAN IREVIKEN EXTINCTION EVENT
  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

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2015

• PAIRED SULFUR AND CARBON ISOTOPE STRATIGRAPHY FOR THE LATE LUDFORDIAN (SILURIAN) OF GOTLAND, SWEDEN: IMPLICATIONS FOR ENVIRONMENTAL, OCEANOGRAPHIC, AND BIOTIC CHANGE
  T248 The Middle Paleozoic World
  Tuesday, 3 November 2015

  1:30 PM - 5:30 PM

  Room 337