---

Activity

2022

• 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

---

2021

• REVISITING A TREMADOCIAN (EARLY ORDOVICIAN) MASS EXTINCTION EVENT AND OCEAN ANOXIA: NEW INSIGHTS FROM TRACE METAL ABUNDANCES AND URANIUM ISOTOPE COMPOSITIONS OF CARBONATES FROM THE GREAT BASIN REGION, WESTERN USA
  130 D13. Recent Advances in Paleoclimatology/Paleoceanography
  Tuesday, 12 October 2021

  8:00 AM - 12:00 PM

  D137
• SHIFT IN GLOBAL OCEAN REDOX STRUCTURE CAPTURED BY URANIUM ISOTOPES FROM 1.84 GA ROVE FORMATION (ONTARIO, CANADA) BLACK SHALES
  130 D13. Recent Advances in Paleoclimatology/Paleoceanography
  Tuesday, 12 October 2021

  8:00 AM - 12:00 PM

  D137

---

2019

• 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
• TRACKING SUBTLE VARIATIONS OF NEOPROTEROZOIC OCEANIC OXYGENATION USING VANADIUM ISOTOPES: IMPLICATIONS FOR EARLY ANIMALS
  T221 Understanding the Neoproterozoic Earth-Life System
  Tuesday, 24 September 2019

  1:30 PM - 5:30 PM

  Room 102AB, West Building
• OCEAN REDOX CONDITIONS AT THE DEVONIAN–MISSISSIPPIAN BOUNDARY (HANGENBERG EVENT) INFERRED FROM REDOX-SENSITIVE ELEMENTAL ABUNDANCES AND MOLYBDENUM ISOTOPE COMPOSITIONS OF THE EXSHAW FORMATION, ALBERTA, CANADA
  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
• EARLY JURASSIC PALEOENVIRONMENTAL RECONSTRUCTION IN THE WESTERN CANADA SEDIMENTARY BASIN AND INFERENCE OF EXPANDED OCEAN ANOXIA/EUXINIA ACROSS THE TOARCIAN OAE FROM GLOBAL RE AND MO MASS BALANCE MODELS
  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
• OCEAN REDOX CONDITIONS IN A LESS OXYGENATED ORDOVICIAN WORLD: A CASE STUDY ON THE NON-EUXINIC KATIAN ORGANIC-RICH MUDROCKS OF SOUTHERN ONTARIO
  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

---

2018

• EVALUATION OF MOLYBDENUM ISOTOPES AS A PETROLEUM TRACER: THE PHOSPHORIA PETROLEUM SYSTEM, BIGHORN BASIN, U.S.A
  124 D64. Advances in Stable Isotope Geochemistry–Applications to Earth Science Systems
  Monday, 5 November 2018

  1:30 PM - 5:30 PM

  Room 135
• COUPLED URANIUM AND MOLYBDENUM ISOTOPE INSIGHTS ON LOCAL AND GLOBAL OCEAN REDOX CONDITIONS DURING DEPOSITION OF THE FRASNIAN-FAMENNIAN KETTLE POINT FORMATION, ONTARIO, CANADA
  T36 New Developments in Geochemical Proxies for Paleoceanographic Research (Posters)
  Sunday, 4 November 2018

  9:00 AM - 5:30 PM

  Halls J-K

---

2017

• 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

---

2015

• RECONSTRUCTION OF LOCAL AND GLOBAL MARINE REDOX CONDITIONS DURING DEPOSITION OF LATE ORDOVICIAN AND EARLY SILURIAN ORGANIC-RICH MUDROCKS IN THE SILJAN RING DISTRICT, CENTRAL SWEDEN
  T277 Fresh Perspectives on Critical Transitions in Earth History: Insights from Novel Tools or New Successions
  Wednesday, 4 November 2015

  8:00 AM - 12:00 PM

  Room 319/320
• 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
• FURTHER INSIGHTS INTO MO ISOTOPE VARIATIONS IN MOLYBDENITES FROM DIFFERENT ORE DEPOSITS
  T83 Metals in Ore Fluids: Sources, Concentrations, Modes of Transport, and Precipitation
  Monday, 2 November 2015

  8:00 AM - 12:00 PM

  Room 322/323

---

2014

• 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
• CONFIRMATION OF MINIMAL POST-DEPOSITIONAL DISTURBANCE OF RHENIUM AND OSMIUM IN THE 2.50 GA MT. MCRAE SHALE AND OSMIUM ISOTOPE EVIDENCE FOR LATE ARCHEAN OXIDATIVE WEATHERING
  T76 Critical Earth-Life Transitions: The Terrestrial Perspective
  Sunday, 19 October 2014

  1:00 PM - 5:00 PM

  215/216

---

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