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Activity

2024

• 2024 GSA PENROSE MEDAL: SVALBARD AND THE EDUCATION OF A GEOBIOLOGIST
  T81 Dynamic Environments Across the Ediacaran-Cambrian Boundary and the Rise of Early Animals
  Monday, 23 September 2024

  8:00 AM - 12:00 PM

  208A

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2023

• EDIACARAN–CAMBRIAN MICROBIAL CARBONATES OF THE AQ-KAND AREA, NW IRAN
  T238 The Early Paleozoic: Radiations, Extinctions, and Environment (Posters)
  Wednesday, 18 October 2023

  8:00 AM - 5:30 PM

  Hall B
• ECOLOGICAL ANALYSIS OF A MIXED WETLAND-TO-XEROMORPHIC PLANT ASSEMBLAGE AND ASSOCIATED ARTHROPOD DAMAGE IN THE BASHKIRIAN OF NEW ENGLAND, USA
  T81 Laws of the Grave: Advances in Taphonomy across the Paleontologic Record
  Monday, 16 October 2023

  8:00 AM - 12:00 PM

  301 / 302

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2022

• 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

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2021

• BIOMINERALIZATION: INTEGRATING MECHANISM AND EVOLUTIONARY HISTORY
  T178 Life's Innovations from the Early Earth to the Search on Modern Mars I: Honoring the Career of Andrew H. Knoll
  Tuesday, 12 October 2021

  1:30 PM - 5:30 PM

  Portland Ballroom 255 (Hybrid Room)
• A PERSISTENTLY LOW LEVEL OF ATMOSPHERIC OXYGEN IN EARTH’S MIDDLE AGE
  T8 Evolution of Earth’s Surface: Honoring Xiao-Ming Liu, Recipient of the 2021 Mineralogy, Geochemistry, Petrology, and Volcanology Division’s Early Geological Career Award
  Sunday, 10 October 2021

  8:00 AM - 12:00 PM

  Portland Ballroom 252 (Hybrid Room)

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2020

• DEPOSITIONAL RATES IN THE EDIACARAN NAFUN GROUP, OMAN, AND THE WIDER LATE PROTEROZOIC WORLD
  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
• DID THE COLUMBIA RIVER FLOOD BASALTS INITIATE THE MIOCENE CLIMATE OPTIMUM? CONSTRAINING THE TIMING OF LIP VOLCANISM AND CLIMATE CHANGE USING SEDIMENTARY MERCURY CONCENTRATIONS
  38 Undergraduate Research I (Posters)
  Saturday, 21 March 2020

  8:00 AM - 12:00 PM

  Grand Ballroom A–D

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2019

• BIOMINERALIZATION BY ATTACHMENT OF NANOPARTICLES FROM THE EDIACARAN THROUGH ALL OF THE PHANEROZOIC
  T138 Effects of Mineral-Water Interface Complexity on Geochemical Processes: A Session in Honor of Mineralogical Society of America Awardee for 2018, Laura Nielsen Lammers
  Monday, 23 September 2019

  1:30 PM - 5:30 PM

  Room 229B, North Building

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2018

• QUANTIFYING ECOLOGICAL IMPACTS OF MASS EXTINCTIONS WITH NETWORK ANALYSIS OF FOSSIL COMMUNITIES
  T12 EARTHTIMEs and EarthRates: Exploring the Tempo and Mode of Earth-System Processes and Evolution
  Sunday, 4 November 2018

  8:00 AM - 12:00 PM

  Room 143-144

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2017

• LOW NITRATE LEVELS IN THE MESOPROTEROZOIC OCEAN
  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
• NETWORK ANALYSIS OF FOSSIL CO-OCCURRENCE IN THE EDIACARAN AND PALEOZOIC
  T99 Advances in Computational Paleobiology: Reshaping Our Understanding of the Fossil Record
  Monday, 23 October 2017

  8:00 AM - 12:00 PM

  Room 608
• WHAT'S UP WITH RODINIA?
  3 D49. Recent Advances in Precambrian Geology
  Sunday, 22 October 2017

  8:00 AM - 12:00 PM

  Room 3A
• EXCEPTIONAL PRESERVATION OF GLYCINE-RICH PROTEINS AND SHELL ULTRASTRUCTURE IN PINNID BIVALVES
  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 NATURE OF CAMBRIAN CARBONATE SEDIMENTATION THROUGH THE LENS OF THE PRECAMBRIAN
  T224 The Early Paleozoic World: Radiations, Extinctions, and Paleoenvironmental Change I
  Tuesday, 27 September 2016

  1:30 PM - 5:30 PM

  Mile High Ballroom 3C
• THE CO-EVOLUTION OF THE GEO- AND BIOSPHERES: AN INTEGRATED PROGRAM FOR DATA-DRIVEN, ABDUCTIVE DISCOVERY IN THE EARTH SCIENCES
  T255 Mineralogical Evidence for the Co-Evolution of the Geosphere and Biosphere (Posters): In Honor of Robert M. Hazen, 2016 Roebling Medalist
  Tuesday, 27 September 2016

  9:00 AM - 6:30 PM

  Exhibit Hall E/F

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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
• CAMBRIAN SKELETAL BIOMINERALIZATION AND ITS BIOGEOCHEMICAL CONSEQUENCES
  177 Earth-Life Systems at the Dawn of Animals
  Tuesday, 3 November 2015

  8:00 AM - 12:00 PM

  Room 327/328/329

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2014

• SULFIDE STRESS ON ANIMALS IN NEOPROTEROZOIC OCEANS
  T258 The Tonian-Cryogenian World
  Tuesday, 21 October 2014

  1:00 PM - 5:00 PM

  220
• A NEW JURASSIC LAGERSTATTE FROM ALBERTA, CANADA, PRESERVED DURING THE TOARCIAN OCEAN ANOXIC EVENT
  T108 Major Evolutionary Events of the Early Mesozoic— Paleontology and Paleoecology from the Middle Triassic to the Late Jurassic
  Monday, 20 October 2014

  8:00 AM - 12:00 PM

  220
• MICRO-CT ANALYSIS OF ANOMALOUS TUBE STRUCTURES FROM THE MESOPROTEROZOIC NEWLAND FORMATION, MEAGHER COUNTY, MONTANA
  22 Precambrian II: Meso- and Neoproterozoic Evolution of Western Laurentia I: In Honor of Don Winston
  Tuesday, 20 May 2014

  1:00 PM - 5:00 PM

  Gaines Hall 101
• SULFUR ISOTOPE SYSTEMATICS OF MESOPROTEROZOIC HYDROTHERMAL PYRITE TUBES, BLACK BUTTE DEPOSIT, MEAGHER COUNTY, MONTANA
  20 Precambrian II: Meso- and Neoproterozoic Evolution of Western Laurentia: In Honor of Don Winston (Posters)
  Tuesday, 20 May 2014

  8:00 AM - 5:00 PM

  Ballroom B, C, D

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2013

• OXYGEN, ECOLOGY, AND THE CAMBRIAN RADIATION OF ANIMALS
  T29 Coevolution of the Earth and Life: The Role of the Physical Environment in Species Evolution
  Sunday, 27 October 2013

  8:00 AM - 12:00 PM

  Room 605

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2012

• A MORPHOSPACE OF MARINE PLANKTONIC DIATOMS AND ITS SAMPLING-STANDARDIZED OCCUPANCY THROUGH THE CENOZOIC ERA
  T222 The Evolution of Biomineralization
  Wednesday, 7 November 2012

  8:00 AM - 12:00 PM

  217BC
• DIVERSE VASE-SHAPED MICROFOSSILS IN THE NEOPROTEROZOIC CALLISON LAKE DOLOSTONE, COAL CREEK INLIER, YUKON TERRITORY, CANADA
  259 Paleontology: Biostratigraphy and Taphonomy
  Wednesday, 7 November 2012

  1:30 PM - 5:30 PM

  217BC
• A BASIN REDOX TRANSECT AT THE DAWN OF ANIMAL LIFE
  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
• 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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2011

• EXPANDED DIVERSITY OF SCALE MICROFOSSILS FROM THE MID NEOPROTEROZOIC FIFTEENMILE GROUP, YUKON
  T256 New Horizons in Precambrian Palynology and Paleobiology (Posters)
  Wednesday, 12 October 2011

  9:00 AM - 6:00 PM

  Hall C
• INVESTIGATING GEOCHEMISTRY OF THE WHEELER FORMATION OF UTAH, USA: INSIGHTS INTO THE REDOX ENVIRONMENT OF BURGESS SHALE-TYPE FOSSIL PRESERVATION
  T15 New Ideas on Studying Exceptionally Preserved Fossils: What to Do Next?
  Sunday, 9 October 2011

  8:00 AM - 12:00 PM

  Room 205CD
• GEOCHEMICAL CONTROLS ON PHOSPHATIZATION TAPHONOMY IN THE MIDDLE CAMBRIAN
  T15 New Ideas on Studying Exceptionally Preserved Fossils: What to Do Next?
  Sunday, 9 October 2011

  8:00 AM - 12:00 PM

  Room 205CD

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2010

• CHLOROPLASTS, MITOCHONDRIA, AND THE EUKARYOTIC PRESENCE IN PROTEROZOIC OCEANS
  151 Symbiosis and Global Change in Ancient and Modern Earth Systems
  Tuesday, 2 November 2010

  8:00 AM - 12:00 PM

  Room 502

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2008

• Evolutionary, Ecological, and Paleoenvironmental Implications of Acritarchs as Metazoan Resting Stages
  277 Paleontology III - Paleoecology, Geochronology, and Education
  Wednesday, 8 October 2008

  8:00 AM - 12:00 PM

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2007

• THE ROLE OF SKELETONS IN THE EARLY PALEOZOIC CARBONATE FACTORY: EVIDENCE FROM WESTERN NEWFOUNDLAND AND WESTERN UTAH
  120 Paleontology V: Early Life
  Tuesday, 30 October 2007

  8:00 AM - 12:00 PM

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2006

• CARBONATES IN SKELETON-POOR SEAS: NEW INSIGHTS FROM THE MIDDLE AND UPPER CAMBRIAN MARCH POINT AND PETIT JARDIN FORMATIONS, WESTERN NEWFOUNDLAND
  121 Paleontology/Paleobotany IV: Early Life and the Cambrian Explosion
  Tuesday, 24 October 2006

  8:00 AM - 12:00 PM
• A PHYSIOLOGICALLY EXPLICIT MORPHOSPACE FOR WATER TRANSPORT IN VASCULAR PLANTS
  64 Paleontology/Paleobotany III: Morphospace and Morphological Patterns
  Monday, 23 October 2006

  8:00 AM - 12:00 PM
• CHEMICAL AND BIOLOGICAL INVESTIGATION OF THE MODERN ANALOG FOR SPHEROIDAL MICROFOSSILS
  23 Paleontology/Paleobotany (Posters) I: Paleoecology, Taphonomy, and Early Life
  Sunday, 22 October 2006

  8:00 AM - 12:00 PM
• TUBULAR MACROFOSSILS FROM THE EDIACARAN NAMA GROUP, NAMIBIA
  23 Paleontology/Paleobotany (Posters) I: Paleoecology, Taphonomy, and Early Life
  Sunday, 22 October 2006

  8:00 AM - 12:00 PM
• INCISED VALLEYS, TREPTICHNUS PEDUM, AND THE PRECAMBRIAN-CAMBRIAN BOUNDARY IN NAMIBIA
  23 Paleontology/Paleobotany (Posters) I: Paleoecology, Taphonomy, and Early Life
  Sunday, 22 October 2006

  8:00 AM - 12:00 PM
• REDOX TRACE ELEMENT AND ORGANIC CARBON GEOCHEMISTRY OF THE NEOARCHEAN CAMPBELLRAND CARBONATE PLATFORM (TRANSVAAL SUPERGROUP, SOUTH AFRICA)
  T20 Changes in Ocean and Atmospheric Redox State and the Evolution of Life I
  Sunday, 22 October 2006

  8:00 AM - 12:00 PM
• ISOTOPIC CONSTRAINTS ON THE LATE ARCHEAN CARBON CYCLE FROM THE WESTERN MARGIN OF THE KAAPVAAL CRATON, SOUTH AFRICA
  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

• AN IRON SHUTTLE FOR DEEP-WATER SILICA IN LATE ARCHEAN IRON FORMATION
  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
• COMPARATIVE BIOMARKER ANALYSIS OF DESERT ALGAE: A METHOD FOR INVESTIGATING TERRESTRIAL ECOSYSTEMS BEFORE THE EVOLUTION OF LAND PLANTS
  T78 Protists in Extreme Environments: Fossil Evidence to Physiological Adaptations
  Monday, 17 October 2005

  8:00 AM - 12:00 PM
• MODELING FLUID FLOW IN AN EXTINCT SEED PLANT
  34 Paleontology II: How Do They Do That? Biomechanics and Development
  Sunday, 16 October 2005

  1:30 PM - 5:30 PM
• CONTROLS ON THE INITIATION AND GROWTH OF A MIDDLE TRIASSIC (ANISIAN) REEF COMPLEX ON THE GREAT BANK OF GUIZHOU, GUIZHOU PROVINCE, CHINA
  3 Paleontology I: Paleoecology—Energetics, Environment, and Evolution
  Sunday, 16 October 2005

  8:00 AM - 12:00 PM

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2004

• PROTISTAN EVOLUTION IN THE PRECAMBRIAN: A NEW MULTIDISCIPLINARY APPROACH COMBINING MICROSCOPY AND MICROCHEMISTRY
  T171 Protistan Paleobiodiversity: Understanding Evolutionary Patterns
  Tuesday, 9 November 2004

  1:30 PM - 5:30 PM
• LARGE PERTURBATIONS OF THE GLOBAL CARBON CYCLE AND DELAYED RECOVERY FROM THE END-PERMIAN EXTINCTION
  T140 Anatomy of an Anachronistic Period: The Early Triassic Environment and its Effect on the History of Life
  Tuesday, 9 November 2004

  8:00 AM - 12:00 PM

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2003

• ALGAE AND THE LATE NEOPROTEROZOIC EVOLUTION OF MACROSCOPIC MULTICELLULARITY
  205 Neoproterozoic Geobiology: Fossils, Clocks, Isotopes, and Rocks
  Wednesday, 5 November 2003

  8:00 AM - 12:00 PM
• CHEMOSTRATIGRAPHY OF NEOPROTEROZOIC 'CAP' CARBONATES FROM THE VOLTA BASIN, WEST AFRICA
  239 Precambrian Geology
  Wednesday, 5 November 2003

  1:30 PM - 5:30 PM
• COMPARATIVE GEOCHEMISTRY SUGGESTS PROTOTAXITES WAS A GIGANTIC FUNGUS
  236 Paleontology/Paleobotany VI: Paleobotany: Systematics, Ecophysiology, and Paleoclimate
  Wednesday, 5 November 2003

  1:30 PM - 5:30 PM
• PHOSPHATIZED FOSSILS IN THE NEOPROTEROZOIC DOUSHANTUO FORMATION, CHINA, AND THE EARLY EVOLUTION OF FLORIDEOPHYTE RED ALGAE
  T145 The Hunt for Precambrian Life: An Integrated Approach
  Tuesday, 4 November 2003

  8:00 AM - 12:00 PM

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2002

• SUPPLYING NUTRIENTS TO SEAFOOD THROUGH TIME
  T238 Seafood Through Time—The Ecologic Context of the History of Life II: In Honor of Richard K. Bambach
  Wednesday, 30 October 2002

  1:30 PM - 5:30 PM
• CHERT AND THE PROTEROZOIC OCEANIC SILICA CYCLE
  T243 New Perspectives on Chert, Its Origin, Diagenesis, and Economic Significance
  Wednesday, 30 October 2002

  1:30 PM - 5:30 PM
• FACIES-DEPENDENT SULFUR ISOTOPIC FRACTIONATION IN A MID-PROTEROZOIC MARINE BASIN
  T96 Microbial Sulfur Transformations Throughout Earth's History: Development, Changes, and Future of the Biogeochemical Sulfur Cycle
  Monday, 28 October 2002

  1:30 PM - 5:35 PM
• SULFUR ISOTOPES AS PALEOENVIRONMENTAL INDICATORS: EVOLUTIONARY IMPLICATIONS
  T96 Microbial Sulfur Transformations Throughout Earth's History: Development, Changes, and Future of the Biogeochemical Sulfur Cycle
  Monday, 28 October 2002

  1:30 PM - 5:35 PM
• RECOGNIZING AND INTERPRETING THE FOSSILS OF EARLY EUKARYOTES
  31 Paleontology/Paleobotany III: Early Life
  Sunday, 27 October 2002

  1:00 PM - 3:45 PM

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2001

• A GEOBIOLOGICAL PERSPECTIVE ON BIOSPHERIC EVOLUTION
  164 Geobiology: Applications to Sedimentary Geology
  Thursday, 8 November 2001

  8:00 AM - 12:00 PM
• CYTOLOGICAL AND ECOLOGICAL COMPLEXITY IN THE EARLY MESOPROTEROZOIC
  177 Paleontology III: Early Life
  Thursday, 8 November 2001

  1:30 PM - 5:30 PM
• IS THERE A SEPARATE CLASS OF "MASS" EXTINCTIONS?
  58 Paleontology I: Assessing Biodiversity
  Tuesday, 6 November 2001

  8:00 AM - 12:00 PM
• THE EVOLUTIONARY DIVERSIFICATION OF CYANOBACTERIA: PALENOTOLOGICAL AND MOLECULAR-PHYLOGENETIC PERSPECTIVES
  58 Paleontology I: Assessing Biodiversity
  Tuesday, 6 November 2001

  8:00 AM - 12:00 PM
• MICROBIALLY INDUCED SEDIMENTARY STRUCTURES: A KEY TO UNDERSTANDING THE DYNAMIC INTERACTION OF EPIBENTHIC CYANOBACTERIAL COMMUNITIES AND PHYSICAL PARAMETERS IN SILICICLASTIC SEDIMENTARY SYSTEMS
  54 Sedimentary Systems and Microbial Communities: Dynamic Interactions
  Thursday, 28 June 2001

  3:00 PM - 4:40 PM
• THE GEOLOGICAL CONSEQUENCES OF EVOLUTION
  20 Plenary Session–II
  Tuesday, 26 June 2001

  8:30 AM - 9:30 AM
• MIDDLE PROTEROZOIC OCEAN CHEMISTRY
  23 Archean Earth and Contemporary Life: The Transition from an Anaerobic to an Aerobic Marine Ecosystem (Sponsored by NASA Astrobiology Institute)
  Tuesday, 26 June 2001

  10:00 AM - 4:30 PM

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Date Unknown

• THE HUNT FOR EARLY EUKARYOTES IN ARCHEAN AND PROTEROZOIC OCEANS
  T195 The Hunt for Precambrian Life: An Integrated Approach (Posters)
• LOW SULFATE AND ANOXIA IN A MID-PROTEROZOIC MARINE BASIN
  T195 The Hunt for Precambrian Life: An Integrated Approach (Posters)
• USING BIOMARKERS TO ANALYZE BIOGEOCHEMICAL CHANGES ACROSS THE PRECAMBRIAN-CAMBRIAN BOUNDARY
  203 Precambrian Geology (Posters)
• Geobiology of the Late Paleoproterozoic Duck Creek Dolomite, Western Australia
  145 Precambrian Geology (Posters)