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Activity

2024

• NITROGEN SOURCES AND CYCLING IN THE FRASASSI CAVES, ITALY: IMPLICATIONS FOR NITROGEN CYCLING IN THE SHALLOW SUBSURFACE
  T2 New Voices in Geobiology
  Sunday, 22 September 2024

  8:00 AM - 12:00 PM

  208A

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2023

• ISOTOPIC SIGNATURES OF NITROGEN CYCLING IN SULFURIC ACID CAVES
  T133 Karst Ecosystems and Biogeochemistry
  Monday, 16 October 2023

  1:30 PM - 5:30 PM

  310 / 311

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2018

• CONSTRAINING THE OXYGEN ISOTOPIC COMPOSITION VALUES OF THE LATE CRETACEOUS WESTERN INTERIOR SEAWAY USING BENTHIC BIVALVES
  T86 Paleoenvironmental Reconstructions from Biogenic Carbonates I
  Monday, 5 November 2018

  8:00 AM - 12:00 PM

  Room 140
• CARBON AND NITROGEN ISOTOPES FROM ORGANICS IN LAKE CHALCO, MEXICO: A RECORD OF QUATERNARY CLIMATE AND ENVIRONMENTAL CHANGE IN NEOTROPICAL NORTH AMERICA
  66 Paleoclimate Records and Future Climate Trends in the American Southwest (Posters)
  Thursday, 17 May 2018

  8:30 AM - 4:30 PM

  Outdoor Tents
• BULK ORGANIC CARBON ISOTOPE RATIOS FROM STONEMAN LAKE AZ AS A PROXY FOR GLACIAL-INTERGLACIAL CYCLES DURING THE QUATERNARY
  66 Paleoclimate Records and Future Climate Trends in the American Southwest (Posters)
  Thursday, 17 May 2018

  8:30 AM - 4:30 PM

  Outdoor Tents

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2017

• δ18O SCHLEROCHRONOLOGY OF LATE CRETACEOUS BIVALVES AND PRESERVATION OF SEASONALITY IRRESPECTIVE OF ALTERATION
  T253 Celebrating Dr. John W. Valley's Contributions to Isotope Geochemistry and Beyond, from the Hadean to the Holocene (Posters)
  Tuesday, 24 October 2017

  9:00 AM - 6:30 PM

  Halls 4EF

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2016

• LARGE, RAPID EARLY TRIASSIC SULFUR ISOTOPE SHIFTS RECORDED IN MARINE CARBONATES FROM THE WESTERN U.S
  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

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2013

• WIDESPREAD LOWER TRIASSIC (SMITHIAN) MICROBIAL MOUND COMPLEX ACROSS SOUTHERN UTAH: FACIES ARCHITECTURE AND IMPLICATIONS FOR POST-P-T PALEOCEANOGRAPHIC CONDITIONS
  T88 Into the Frying PAN: The Early Triassic Hothouse of Pangea and Panthalassa II
  Sunday, 27 October 2013

  1:00 PM - 5:00 PM

  Room 601
• INFLUENCES OF SLOPE ASPECT, DUST AND PLANT COMMUNITY COMPOSITION ON THE STABLE ISOTOPE COMPOSITION OF PEDOGENIC CARBONATE IN SOILS ON A BASALTIC VOLCANO, CENTRAL NEW MEXICO
  12 Dust and Soil Geomorphological Research of the Intermountain West and Colorado Plateau: Applications and Approaches
  Thursday, 16 May 2013

  9:15 AM - 11:30 AM

  South Conference Room

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2012

• EARLY TRIASSIC (SMITHIAN) MICROBIAL BUILD-UPS, LOWER THAYNES FORMATION, SOUTHWEST UTAH
  22 Sedimentary Theme Sessions T11, T12, and T15 (Posters)
  Thursday, 10 May 2012

  8:00 AM - 5:30 PM

  Alvarado D&E

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2011

• INTERPRETING EARLY TRIASSIC (SMITHIAN) CLIMATE USING OXYGEN ISOTOPES OF CONODONT APATITE
  T209 Permian-Triassic Changes and Extinction Event: New Insights from Sedimentary, Geochemical, and Paleobiological Records and Modeling Approaches II
  Tuesday, 11 October 2011

  1:30 PM - 5:30 PM

  Room 200FG

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2010

• HYDRATED AND HYDROUS IRON SULFATE SYNTHESIS AND ANALYSIS ON THE BULK AND MICRO-SCALES
  T262 Sources, Transport, and Fate of Trace and Toxic Elements in the Environment (Posters)
  Wednesday, 3 November 2010

  8:00 AM - 6:00 PM

  Hall D

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2008

• Complex Polygenesis and Soil Stratigraphy of Soils of the Eastern Sevilleta National Wildlife Refuge, Belen, NM
  299 Geomorphology (Posters)
  Wednesday, 8 October 2008

  8:00 AM - 6:00 PM
• Investigating the Timing of Late Ordovician Cooling and Glaciation Using Oxygen Isotopes of Conodont Apatite
  T230 Paleozoic Oceanographic and Climatic Changes: Evidence from Seawater Geochemistry and Sedimentology Records I
  Tuesday, 7 October 2008

  8:00 AM - 12:00 PM
• STABLE ISOTOPE GEOCHEMISTRY OF A MIDDLE PENNSYLVANIAN COAL
  23 Applications of Isotope Geochemistry in Environmental Geology
  Friday, 25 April 2008

  8:20 AM - 12:00 PM

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2007

• OXYGEN-ISOTOPE EVIDENCE FOR 3RD-ORDER (MY-SCALE) GLACIO-EUSTATIC SEA-LEVEL CHANGE IN MIDDLE PENNSYLVANIAN CYCLIC CARBONATES OF CENTRAL NEW MEXICO
  T130 Late Paleozoic Glacial-interglacial Climate Changes: Analogs for Present and Future Climate Changes
  Tuesday, 30 October 2007

  8:00 AM - 12:00 PM

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2006

• THE EARLY TRIASSIC CARBON ISOTOPE RECORD OF NORTH AMERICA: EVIDENCE FOR GLOBAL PERTURBATIONS OF THE CARBON CYCLE
  T224 Late Permian–Early Triassic Earth
  Wednesday, 25 October 2006

  1:30 PM - 5:30 PM
• STRATIGRAPHIC EVIDENCE FOR LATE ORDOVICIAN (PRE-HIRNANTIAN) GLACIATION, CENTRAL NEVADA
  202 Paleoclimatology/Paleoceanography: Proxies, Patterns, and Processes (Posters)
  Wednesday, 25 October 2006

  8:00 AM - 12:00 PM
• CHALLENGES TO EARLY-MIDDLE DEVONIAN GR EENHOUSE CLIMATE INTERPRETATIONS: OXYGEN ISOTOPIC EVIDENCE FROM CONODONT APATITE
  T106 Devonian–Early Carboniferous Climate Change: Glacial Deposits and Proxy Records
  Monday, 23 October 2006

  1:30 PM - 5:30 PM
• CO2 DEGASSING IN HIGH VOLUME SPRINGS IN THE SOUTHERN COLORADO PLATEAU REGION—UNDERSTANDING DEEP INPUTS AND GEOCHEMICAL MIXING IN REGIONAL GROUNDWATER
  3 Springs and Groundwaters of the Intermountain West
  Wednesday, 17 May 2006

  8:00 AM - 11:40 AM

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2005

• USING d18O VALUES OF APATITIC CONODONTS TO EVALUATE THE ORIGIN OF 3RD-ORDER PALEOZOIC SEA-LEVEL CHANGES
  17 GeoSystems and CHRONOS: Probing Earth’s Deep-Time Climate and Linked Systems
  Tuesday, 9 August 2005

  1:30 PM - 4:30 PM

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2004

• USING OXYGEN ISOTOPE VALUES FROM MIDDLE PENNSYLVANIAN APATITIC CONODONTS FOR ESTIMATING CHANGES IN GLACIAL ICE VOLUMES
  T156 Ocean Chemistry through the Precambrian and Paleozoic (Posters)
  Tuesday, 9 November 2004

  8:00 AM - 12:00 PM

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2002

• STRATIGRAPHIC, MINERALOGICAL AND GEOCHEMICAL ANALYSIS OF THE RED PINE SHALE, UINTA MOUNTAIN GROUP, NE UTAH
  11 P3: Proterozoic Paleogeography and Paleoclimate
  Wednesday, 8 May 2002

  8:00 AM - 12:00 PM

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2001

• HIGH RESOLUTION ANALYSIS OF STABLE OXYGEN ISOTOPE RATIOS IN LINGULID BRACHIOPOD SHELLS
  T45 High-Resolution Geochemical Bioarchives: Recognition of Signals and Implications for Evolution, Paleoecology, and Paleoclimatology
  Monday, 5 November 2001

  1:30 PM - 5:30 PM
• LINKING MID-NEOPROTEROZOIC SUCCESSIONS IN THE WESTERN U.S.: THE CHUAR GROUP-UINTA MOUNTAIN GROUP-PAHRUMP GROUP CONNECTION (CHUMP)
  11 Meso to Neoproterozoic of the Western US: Record of Supercontinent Assembly and Breakup, and a Snowball Earth?
  Tuesday, 1 May 2001

  8:00 AM - 12:00 PM

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Date Unknown

• Sequence Stratigraphy of the Lower Triassic (Smithian) Thaynes Formation: Framework for Understanding My-Scale Paleoclimate Change
  T198 Paleozoic Oceanographic and Climatic Changes: Evidence from Seawater Geochemistry and Sedimentology Records (Posters)
• CHARACTERIZATION OF THE RED PINE SHALE, UINTA MOUNTAIN GROUP: MID-NEOPROTEROZOIC PALEOGEOGRAPHY OF NE UTAH
  122 Precambrian Geology (Posters)
• SEASONAL δ18O RECORD FROM ANNUALLY BANDED, MODERN AND MID HOLOCENE TRAVERTINE—THERMOMETRY AND EVIDENCE OF PALEOMONSOON FLOODS, GRAND CANYON, USA
  T95 Holocene Climate Change in Western North America: Spatial-Temporal Phasing of Climate Modes, Events, and Transitions (Posters)
• CARBON ISOTOPE VARIABILITY IN KEROGEN FROM DEVONIAN-MISSISSIPPIAN MARINE BLACK SHALES
  60 Sediments, Clastic (Posters) I: Methods, Processes, and Petrology