---

Activity

2024

• STRATIGRAPHY OF MESOPROTEROZOIC UNITS PR1 AND PR2 IN THE COAL CREEK INLIER, YUKON, CANADA: POSSIBLE PINGUICULA GROUP CORRELATIVES
  20 The Boring Billion was not so Boring! Mesoproterozoic Tectonics, Sedimentation, and Geochronology of Northwest Laurentia I
  Thursday, 16 May 2024

  8:00 AM - 12:00 PM

  Cedar Ballroom
• TEPHROCHRONOLOGY OF ORDOVICIAN BENTONITES FROM THE MONTREAL AREA: ZIRCON AND APATITE CHEMISTRY AS A TOOL FOR STRATIGRAPHIC CORRELATIONS
  35 Deciphering a Cryptic Geologic Record: New Insights from Field and Lab Investigations of the Appalachians in the United States and Canada
  Tuesday, 19 March 2024

  8:00 AM - 12:00 PM

  Pemigewasset Room
• STRUCTURAL CHARACTERIZATION AND GEOCHRONOLOGY OF THE FAULT NETWORKS IN THE MONTREAL REGION (SOUTHERN QUEBEC, CANADA): A PRELIMINARY CALCITE U-PB DATING STUDY
  30 Deciphering a Cryptic Geologic Record: New Insights from Field and Lab Investigations of the Appalachians in the United States and Canada (Posters)
  Monday, 18 March 2024

  1:30 PM - 5:30 PM

  Armory Ballroom

---

2023

• COMPLEX NEOPROTEROZOIC MICROBIAL REEFAL FRAMEWORKS IN THE CALLISON LAKE FORMATION OF YUKON
  T223 New Advances in the Study of Microbialites
  Wednesday, 18 October 2023

  8:00 AM - 12:00 PM

  335
• THALLIUM ISOTOPIC CONSTRAINTS ON GLOBAL MARINE OXYGENATION DURING THE EARLY NEOPROTEROZOIC FROM THE REEFAL ASSEMBLAGE IN YUKON, CANADA
  T125 Temperature, Oxygen, and Their Synergistic Effects on Animal Ecosystems
  Monday, 16 October 2023

  1:30 PM - 5:30 PM

  303
• EARLY TONIAN MACROALGAL ECOSYSTEMS FROM NORTHWESTERN CANADA
  T125 Temperature, Oxygen, and Their Synergistic Effects on Animal Ecosystems
  Monday, 16 October 2023

  1:30 PM - 5:30 PM

  303
• SEDIMENTARY GEOCHEMISTRY OF THE TONIAN DOLORES CREEK FORMATION, YUKON, CANADA: INVESTIGATING EARLY NEOPROTEROZOIC PALEOENVIRONMENTAL CONDITIONS
  T44 New Voices in Geobiology (Posters)
  Sunday, 15 October 2023

  8:00 AM - 5:30 PM

  Hall B

---

2021

• NEW REPORT OF SHALE-HOSTED ORGANIC-WALLED MICROFOSSILS FROM THE EARLY MESOPROTEROZOIC DISMAL LAKES GROUP IN ARCTIC CANADA
  T239 Life's Innovations from the Early Earth to the Search on Modern Mars III: Honoring the Career of Andrew H. Knoll
  Wednesday, 13 October 2021

  1:30 PM - 5:30 PM

  Portland Ballroom 255 (Hybrid Room)
• A BAYESIAN FRAMEWORK FOR SUBSIDENCE MODELING IN SEDIMENTARY BASINS: IMPLICATIONS FOR THE PRECAMBRIAN
  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)
• NEW RE-OS AGES FROM THE NEOPROTEROZOIC HECLA HOEK SUCCESSION, SVALBARD, NORWAY
  T76 The Neoproterozoic Earth-Life System
  Monday, 11 October 2021

  8:00 AM - 12:00 PM

  E141/E142 (Hybrid Room)
• ORGANIC-WALLED MICROFOSSILS OF THE PALEOPROTEROZOIC AND MESOPROTEROZOIC MCARTHUR AND BIRRINDUDU BASINS, NORTHERN TERRITORY, AUSTRALIA
  T76 The Neoproterozoic Earth-Life System
  Monday, 11 October 2021

  8:00 AM - 12:00 PM

  E141/E142 (Hybrid Room)

---

2020

• OCEAN ACIDIFICATION: INSIGHTS FROM THE PALEOCENE-EOCENE THERMAL MAXIMUM (PETM)
  T206 Records of Early Diagenesis in Modern and Ancient Sediments
  Thursday, 29 October 2020

  1:30 PM - 5:30 PM

  Meeting Rooms
• THE COASTAL TO NEARSHORE-MARINE RECORD OF THE NYEBOE FORMATION, FURY AND HECLA GROUP: TOWARDS A TECTONO-STRATIGRAPHIC REFINEMENT OF THE BYLOT BASINS, NUNAVUT, ARCTIC CANADA
  T174 Precambrian Basin Analysis
  Thursday, 29 October 2020

  10:00 AM - 12:00 PM

  Meeting Rooms
• FACIES ANALYSIS, GAMMA RAY LOGGING, AND SEQUENCE STRATIGRAPHY OF THE LIMBUNYA GROUP, BIRRINDUDU BASIN, NORTHERN TERRITORY, AUSTRALIA
  T174 Precambrian Basin Analysis
  Thursday, 29 October 2020

  10:00 AM - 12:00 PM

  Meeting Rooms
• POSSIBLE MULTICELLULAR GREEN ALGAE IN EARLY TONIAN MARINE ENVIRONMENTS
  T110 Evolving Perspectives on the Tonian Biosphere and Environmental Change
  Wednesday, 28 October 2020

  10:00 AM - 12:00 PM

  Meeting Rooms
• IRONSTONES OF THE KATHERINE GROUP, YUKON: SHALLOW MARINE IRON CYCLING DURING THE TONIAN PERIOD
  T110 Evolving Perspectives on the Tonian Biosphere and Environmental Change
  Wednesday, 28 October 2020

  10:00 AM - 12:00 PM

  Meeting Rooms
• RE-OS GEOCHRONOLOGY HIGHLIGHTS WIDESPREAD LATEST MESOPROTEROZOIC (CA. 1090-1050 MA) INTRACRATONIC BASIN DEVELOPMENT ON LAURENTIA
  T132 Assembling Laurentia: Mesoproterozoic to Early Neoproterozoic Tectonic Evolution of Laurentia and Its Role within the Supercontinent Rodinia I
  Wednesday, 28 October 2020

  1:30 PM - 5:30 PM

  Meeting Rooms
• CYCLOSTRATIGRAPHY OF THE MIDDLE EDIACARAN UPPER JIBALAH GROUP, EASTERN ARABIAN SHIELD, SAUDI ARABIA
  T84 A Matter of Time: The Stratigraphic Record of Time and the Future of Timescale Calibration
  Tuesday, 27 October 2020

  1:30 PM - 5:30 PM

  Meeting Rooms
• A TRANS-IAPETUS TRANSFORM CONTROL FOR THE EVOLUTION OF THE RHEIC OCEAN
  T70 Recent Advances in Supercontinents: Paleogeography, Geodynamics, and Paleoclimate Evolution I
  Tuesday, 27 October 2020

  1:30 PM - 5:30 PM

  Meeting Rooms

---

2018

• A TERMINAL MESOPROTEROZOIC RECORD OF ENVIRONMENTAL AND BIOLOGICAL DISRUPTION TO THE BORING BILLION FROM THE BYLOT SUPERGROUP, ARCTIC CANADA
  T216 Evolving Perspectives of the Precambrian World: Using Combined Theoretical and Applied Approaches to Tackle Problems at the Intersection of Geology, Geobiology, and Geochemistry
  Tuesday, 6 November 2018

  1:30 PM - 5:30 PM

  Room 242
• TOTAL ORGANIC CARBON AND THE PRESERVATION OF PRECAMBRIAN ORGANIC-WALLED MICROFOSSILS IN SHALES
  T87 Earth and Life Co-Evolution in the Early to Middle Neoproterozoic (1000 to ca. 635 Ma)
  Monday, 5 November 2018

  8:00 AM - 12:00 PM

  Room 143-144

---

2017

• TECTONOSTRATIGRAPHY AND RADIOGENIC ISOTOPE CHEMOSTRATIGRAPHY OF THE CA. 1 GA BYLOT SUPERGROUP
  T324 The Co-Evolution of Life and Its Environment during the Precambrian: The “Boring Billion” and Mid-Proterozoic Emergence of Complex Life
  Wednesday, 25 October 2017

  8:00 AM - 12:00 PM

  Skagit 5
• ORGANIC-WALLED MICROFOSSILS FROM THE ~1 GA BYLOT SUPERGROUP, BAFFIN ISLAND
  T324 The Co-Evolution of Life and Its Environment during the Precambrian: The “Boring Billion” and Mid-Proterozoic Emergence of Complex Life
  Wednesday, 25 October 2017

  8:00 AM - 12:00 PM

  Skagit 5
• REVISITING THE ~2.0 GA BELCHER GROUP WITH HIGH-RESOLUTION CARBON ISOTOPE CHEMOSTRATIGRAPHY AND ZIRCON GEOCHRONOLOGY
  T279 The Co-Evolution of Life and Its Environment during the Precambrian: The “Boring Billion” and Mid-Proterozoic Emergence of Complex Life (Posters)
  Tuesday, 24 October 2017

  9:00 AM - 6:30 PM

  Halls 4EF
• DETRITAL ZIRCON GEOCHRONOLOGY AND PROVENANCE OF THE HECLA HOEK SUCCESSION OF NORTHEASTERN SVALBARD, NORWAY
  T90 Circum-Arctic Structural Events: Tectonic Evolution of the Arctic Margins and Trans-Arctic Links with Adjacent Orogens (Posters)
  Sunday, 22 October 2017

  9:00 AM - 5:30 PM

  Halls 4EF

---

2016

• TRACKING THE ONSET OF PHANEROZOIC-STYLE REDOX-SENSITIVE TRACE METAL ENRICHMENTS: NEW DATA FROM NEOPROTEROZOIC POST-GLACIAL STRATA IN NW CANADA
  T115 Sedimentary, Paleobiologic, and Geochemical Studies of Deep Time Ocean-Climate Perturbations I: Honoring the Scientific Contributions of Michael A. Arthur
  Monday, 26 September 2016

  8:00 AM - 12:00 PM

  Room 402
• THE ROLE OF MICROBIAL IRON REDUCTION IN THE FORMATION OF PROTEROZOIC MOLAR TOOTH STRUCTURES
  162 Paleontology, Paleoecology/Taphonomy (Posters)
  Monday, 26 September 2016

  9:00 AM - 6:30 PM

  Exhibit Hall E/F
• STRATIGRAPHY AND AGE-CALIBRATED δ13C RECORD FROM THE BYLOT SUPERGROUP, BAFFIN ISLAND: EVOLUTION OF SURFACE-OCEAN CHEMISTRY IN LATE MESOPROTEROZOIC
  1 Precambrian Geology
  Sunday, 25 September 2016

  8:00 AM - 12:00 PM

  Room 302

---

2015

• TOWARDS A COMPREHENSIVE GLOBAL MID-PROTEROZOIC CHEMOSTRATIGRAPHIC FRAMEWORK: CONTRIBUTIONS FROM NORTHERN BRITISH COLUMBIA
  T255 Lawrence A. Hardie Commemorative Session II
  Tuesday, 3 November 2015

  1:30 PM - 5:30 PM

  Room 319/320

---

2014

• FEATURES OF RODINIA BREAK-UP IN THE MINTO INLIER WITH COMPARISONS TO THE NORTHERN CORDILLERA
  T344 Precambrian Geology of the North American Cordillera: An Exploration of New Developments in Laurentia’s Ancient History
  Wednesday, 22 October 2014

  1:00 PM - 5:00 PM

  122
• AGE AND TECTONIC SIGNIFICANCE OF THE MID-NEOPROTEROZOIC CALLISON LAKE FORMATION OF YUKON, CANADA
  T344 Precambrian Geology of the North American Cordillera: An Exploration of New Developments in Laurentia’s Ancient History
  Wednesday, 22 October 2014

  1:00 PM - 5:00 PM

  122
• ROTATING OUT OF RODINIA: PALEOMAGNETIC EVIDENCE FOR A 50 DEGREE CRYOGENIAN-EDIACARAN ROTATION OF THE YUKON STABLE BLOCK RELATIVE TO LAURENTIA
  T344 Precambrian Geology of the North American Cordillera: An Exploration of New Developments in Laurentia’s Ancient History
  Wednesday, 22 October 2014

  1:00 PM - 5:00 PM

  122
• A CONTINENTAL FLOOD BASALT DRIVER FOR NEOPROTEROZOIC CLIMATE AND OXYGENATION
  T258 The Tonian-Cryogenian World
  Tuesday, 21 October 2014

  1:00 PM - 5:00 PM

  220
• DOLOMITIZATION TRUNCATES THE EARLIEST EDIACARAN NEGATIVE δ13CCARB EXCURSION
  T58 The Ediacaran-Cambrian Ecosphere (R)evolution: Emerging Records from Central and East Asia (Posters)
  Sunday, 19 October 2014

  9:00 AM - 5:00 PM

  Exhibition Hall C

---

2013

• LITHOFACIES OF THE PALEOPROTEROZOIC MOOIDRAAI FORMATION (SOUTH AFRICA) AND AN ALTERNATIVE MODEL FOR THE SETTING OF THE KALAHARI MANGANESE FIELD
  130 Special Session: A Life in Earth History from Tectonics to Climate (Posters): The Scientific Legacy of Paul F. Hoffman
  Monday, 28 October 2013

  9:00 AM - 6:30 PM

  Hall D
• INVESTIGATING THE EARLY NEOPROTEROZOIC SEAWATER SULFUR ISOTOPE RECORD
  130 Special Session: A Life in Earth History from Tectonics to Climate (Posters): The Scientific Legacy of Paul F. Hoffman
  Monday, 28 October 2013

  9:00 AM - 6:30 PM

  Hall D
• THE STRATIGRAPHIC AND ISOTOPIC RECORD OF NEOPROTEROZOIC FLOOD BASALT MAGMATISM, SNOWBALL GLACIATION, AND CONTINENTAL BREAK-UP IN NORTHWESTERN LAURENTIA
  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
• PROTEROZOIC-PHANEROZOIC CHEMOSTRATIGRAPHY OF THE SOUTHERN CANADIAN ROCKY MOUNTAINS
  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
• NEW INSIGHT INTO DEPOSITION OF THE NEOPROTEROZOIC RAPITAN IRON FORMATION
  37 Precambrian Geology (Posters)
  Sunday, 27 October 2013

  9:00 AM - 6:30 PM

  Hall D
• WERE CRYOGENIAN LANDSCAPES GREEN? -- AN EMERGENCE-SYNCHRONIZED MARINE CARBONATE 12C ANOMALY IN NAMIBIA FROM SEA TO SHORE
  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

---

2012

• STRATIGRAPHIC, STRUCTURAL AND GEOCHRONOLOGICAL CONSTRAINTS ON THE MAKE-UP AND BREAK-UP OF RODINIA
  T153 Detrital Zircon Provenance of Neoproterozoic to Lower Paleozoic Strata of Northern and Western Laurentia
  Tuesday, 6 November 2012

  8:00 AM - 12:00 PM

  203B
• FUELING THE SNOWBALL EARTH BIOGEOCHEMICAL RECOVERY: EVIDENCE FOR A BIO-INORGANIC BRIDGE
  T191 Geochemical Proxies for Ancient Ocean Chemistry: Implications for Links Between Ocean Chemistry, Plate Tectonics, Sea Level, and Climate throughout the Late Precambrian and Phanerozoic
  Tuesday, 6 November 2012

  1:30 PM - 5:30 PM

  202AB
• FOSSIL EVIDENCE FOR A CRYOGENIAN DIVERSITY CRISIS
  67 Paleontology: Extinction, Origination and Recovery
  Monday, 5 November 2012

  8:00 AM - 12:00 PM

  217A
• THE GEOCHEMICAL AND STRATIGRAPHIC CONTEXT OF EDIACARAN FOSSILS IN NORTHWESTERN CANADA
  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
• CONSTRAINING THE EARLY NEOPROTEROZOIC NITROGEN CYCLE
  T37 Oceans and Climates through Earth History: From Proxy Reconstructions to Model Assessments (Posters)
  Sunday, 4 November 2012

  9:00 AM - 6:30 PM

  Hall B

---

2010

• TIMING AND GEOMETRY OF THE MULTI-STAGE BREAKUP OF RODINIA IN THE YUKON
  T263 EARTHTIME: In Honor of the Contributions of James Mattinson to High-Precision U-Pb Geochronology (Posters)
  Wednesday, 3 November 2010

  8:00 AM - 6:00 PM

  Hall D
• EVALUATING THE ORIGIN OF HIGH-AMPLITUDE CARBON ISOTOPE EXCURSIONS IN TONIAN TO CRYOGENIAN CARBONATES OF AUSTRALIA
  T161 Understanding High-Amplitude Stable Isotope Variations in Proterozoic Strata
  Tuesday, 2 November 2010

  8:00 AM - 12:00 PM

  Room 207