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Activity

2025

• WHEN ARE BRACHIOPODS OR CONODONTS MOST USEFUL FOR SR ISOTOPE STRATIGRAPHY OF PALEOZOIC SUCCESSIONS?
  27 The Early Paleozoic of Eastern North America
  Friday, 21 March 2025

  8:00 AM - 10:00 AM

  Appalachian B

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2023

• A PAIRED δ44/40CA AND Δ47 INVESTIGATION OF EARLY MISSISSIPPIAN PLATFORM CARBONATES. DID DIAGENESIS DRIVE THE KINDERHOOKIAN-OSAGEAN BOUNDARY EXCURSION?
  T83 Advances in Non-Traditional Stable Isotope Measurements and Utility as Proxies in Modern and Paleo-Settings I
  Monday, 16 October 2023

  8:00 AM - 12:00 PM

  335
• CALCIUM ISOTOPIC CONSTRAINTS ON THE ORIGIN OF THE MID-DARRIWILIAN CARBON ISOTOPE EXCURSION (MDICE)
  T58 The Early Paleozoic II: Radiations, Extinctions, and Environment
  Sunday, 15 October 2023

  1:30 PM - 5:30 PM

  304 / 305

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2022

• THE INTERACTION BETWEEN SILICATE WEATHERING AND CLIMATE CHANGE IN THE DEVONIAN
  T223 Radiogenic Isotopes as Tracers of Geologic Processes: Dates, Rates, and Proxies I
  Wednesday, 12 October 2022

  8:00 AM - 12:00 PM

  502
• ND ISOTOPIC EVIDENCE FOR ENHANCED MAFIC WEATHERING LEADING TO ORDOVICIAN COOLING
  T227 Do Carbon Sources or Sinks Drive the Phanerozoic Carbon Cycle?: Understanding Geobiologic Forcings and Feedbacks
  Wednesday, 12 October 2022

  8:00 AM - 12:00 PM

  506
• CONSTRAINING CHANGES IN SILICATE WEATHERING DURING THE EARLY ORDOVICIAN USING LITHIUM ISOTOPE CHEMOSTRATIGRAPHY
  T227 Do Carbon Sources or Sinks Drive the Phanerozoic Carbon Cycle?: Understanding Geobiologic Forcings and Feedbacks
  Wednesday, 12 October 2022

  8:00 AM - 12:00 PM

  506
• LITHOFACIES AND ND ISOTOPE STRATIGRAPHY OF THE KNOX UNCONFORMITY IN THE CENTRAL APPALACHIAN BASIN
  T241 Cambrian–Ordovician Faunas and Events (Posters): A Session in Honor of John F. Taylor and John E. Repetski
  Wednesday, 12 October 2022

  9:00 AM - 1:00 PM

  Exhibit Hall F
• FACTORS AFFECTING 87SR/86SR SIGNAL PRESERVATION IN CONODONT APATITE: A LONG-RANGING DATA COMPILATION AND A CASE STUDY FROM THE ORDOVICIAN OF BALTOSCANDIA
  T198 Radiogenic Isotopes as Tracers of Geologic Processes: Dates, Rates, and Proxies (Posters)
  Tuesday, 11 October 2022

  2:00 PM - 6:00 PM

  Exhibit Hall F
• THE APPLICATION OF CALCIUM ISOTOPES TO UNDERSTAND THE EFFECTS OF DIAGENESIS ON CARBON ISOTOPE TRENDS IN ANCIENT CARBONATES: AN EXAMPLE FROM THE EARLY MISSISSIPPIAN
  T80 Advances in Non-Traditional Stable Isotope Measurements and Utility as Proxies in Modern and Paleo-Settings
  Monday, 10 October 2022

  8:00 AM - 12:00 PM

  506
• STRONTIUM (87SR/86SR) AND LITHIUM (δ7LI) ISOTOPIC EVIDENCE FOR SHIFTS IN DEVONIAN WEATHERING PATTERNS: IMPLICATIONS FOR THE EXPANSION OF LAND PLANTS AND THE ONSET OF THE ACADIAN OROGENY
  T80 Advances in Non-Traditional Stable Isotope Measurements and Utility as Proxies in Modern and Paleo-Settings
  Monday, 10 October 2022

  8:00 AM - 12:00 PM

  506
• PERSISTENT LATE PERMIAN TO EARLY TRIASSIC WARMTH LINKED TO ENHANCED REVERSE WEATHERING
  T80 Advances in Non-Traditional Stable Isotope Measurements and Utility as Proxies in Modern and Paleo-Settings
  Monday, 10 October 2022

  8:00 AM - 12:00 PM

  506
• CHEMOSTRATIGRAPHIC CORRELATION OF A DARRIWILIAN UNCONFORMITY IN THE APPALACHIAN BASIN
  35 Correlating the Ordovician: Honoring the Career and Contributions of Stig M. Bergström (Posters)
  Friday, 8 April 2022

  8:00 AM - 12:00 PM

  Junior Ballroom B
• LITHOFACIES AND ND ISOTOPE STRATIGRAPHY OF THE KNOX UNCONFORMITY IN THE CENTRAL APPALACHIAN BASIN
  35 Correlating the Ordovician: Honoring the Career and Contributions of Stig M. Bergström (Posters)
  Friday, 8 April 2022

  8:00 AM - 12:00 PM

  Junior Ballroom B
• THE ROLE OF SILICATE WEATHERING IN SHIFTING DEVONIAN PALEOCLIMATE
  2 Development and Application of Geochemical Proxies to Paleoclimate Studies
  Thursday, 7 April 2022

  8:00 AM - 12:00 PM

  North Meeting Room 201/202
• CORRELATING MIDDLE–LATE ORDOVICIAN CARBONATE STRATA ACROSS THE IAPETUS USING STRONTIUM ISOTOPES (87SR/86SR) CALIBRATED TO CONODONT BIOSTRATIGRAPHY
  10 Correlating the Ordovician: Honoring the Career and Contributions of Stig M. Bergström
  Thursday, 7 April 2022

  1:30 PM - 5:30 PM

  North Meeting Room 203/204
• EARLY MISSISSIPPIAN CALCIUM ISOTOPE STRATIGRAPHY AND IMPLICATIONS FOR CONDITIONS OF CARBONATE DEPOSITION
  19 Development and Application of Geochemical Proxies to Paleoclimate Studies (Posters)
  Thursday, 7 April 2022

  1:30 PM - 5:30 PM

  Junior Ballroom B
• δ13CCARB CHRONOSTRATIGRAPHIC CORRELATION OF THE LLANDOVERY CARBONATE SUCCESSION ACROSS THE MICHIGAN BASIN
  10 Correlating the Ordovician: Honoring the Career and Contributions of Stig M. Bergström
  Thursday, 7 April 2022

  1:30 PM - 5:30 PM

  North Meeting Room 203/204

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2021

• DID A TECTONIC UPLIFT AND BASALTIC WEATHERING ENHANCE NUTRIENT DELIVERY TO THE MIDDLE ORDOVICIAN OCEANS?
  T141 The Evolution of Early Phanerozoic Oceans: A Geobiological Perspective
  Tuesday, 12 October 2021

  8:00 AM - 12:00 PM

  E145
• PAIRED MIDDLE–LATE ORDOVICIAN CONTINENTAL WEATHERING (87SR/86SR AND ΕND(T)) AND PALEOTEMPERATURE (δ18O) PROXY MEASUREMENTS LINK ENHANCED MAFIC WEATHERING TO GLOBAL COOLING
  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)
• ROLE OF SEAFLOOR PRODUCTION VERSUS CONTINENTAL BASALT WEATHERING IN MIDDLE TO LATE ORDOVICIAN SEAWATER 87SR/86SR AND CLIMATE
  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

• GLOBAL COOLING LINKED TO BASALTIC WEATHERING DURING THE ORDOVICIAN GREENHOUSE–ICEHOUSE TRANSITION
  T179 The Ordovician Earth: New Insights to Environmental and Biotic Responses in the Fossil and Rock Record I
  Thursday, 29 October 2020

  10:00 AM - 12:00 PM

  Meeting Rooms
• SILICATE WEATHERING AND MIDDLE DEVONIAN PALEOCLIMATE
  T134 Oceans and Climates through Earth History: From Proxy Reconstructions to Model Assessments (Posters)
  Wednesday, 28 October 2020

  1:30 PM - 5:30 PM

  Meeting Rooms

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2019

• DID TACONIC OROGENESIS ENHANCE MAFIC WEATHERING RATES IN THE MIDDLE–LATE ORDOVICIAN? A TEST USING SEAWATER STRONTIUM AND NEODYMIUM ISOTOPES
  T169 Chemostratigraphy: Physical and Temporal Applications
  Tuesday, 24 September 2019

  8:00 AM - 12:00 PM

  Room 224B, North Building
• REFINING THE AGE OF THE MIDDLE-LATE ORDOVICIAN INFLECTION POINT IN SEAWATER 87SR/86SR USING CONODONT APATITE
  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

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2018

• REFINING THE TIMING OF THE MIDDLE-LATE ORDOVICIAN INFLECTION POINT IN SEAWATER 87SR/86SR USING CONODONT APATITE
  T256 Oceans and Climates through Earth History: From Proxy Reconstructions to Model Assessments (Posters)
  Wednesday, 7 November 2018

  9:00 AM - 6:30 PM

  Halls J-K
• INTENSIFIED OCEANIC CIRCULATION DURING EARLY CARBONIFEROUS COOLING EVENTS: EVIDENCE FROM CARBON AND NITROGEN ISOTOPES
  T234 Greenhouse to Icehouse Transition: Global Events of the Devonian, Carboniferous, and Early Permian I
  Wednesday, 7 November 2018

  8:00 AM - 12:00 PM

  Room 140
• 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
• TACONIC WEATHERING AND ORDOVICIAN COOLING: TESTING THE LINK USING PAIRED SR AND ND ISOTOPES, ANTELOPE VALLEY, CENTRAL NV
  T11 New Developments in Geochemical Proxies for Paleoceanographic Research
  Sunday, 4 November 2018

  8:00 AM - 12:00 PM

  Room 140
• ASSESSING CRITICAL DRIVERS OF THE ORDOVICIAN GREENHOUSE-ICEHOUSE TRANSITION WITH PAIRED STRONTIUM AND NEODYMIUM ISOTOPE STRATIGRAPHY
  4 Evolution of the Taconic Foreland: Insights into Active Margins and Global Climate Change
  Sunday, 18 March 2018

  8:00 AM - 12:00 PM

  Diamond Ballroom II

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2017

• δ13C, δ34S, AND I/CA EVIDENCE FOR ANOXIA AT AN EARLY ORDOVICIAN (TREMADOCIAN) MASS EXTINCTION
  30 Clastics, Carbonates, and Soils (Posters)
  Friday, 31 March 2017

  1:00 PM - 5:00 PM

  James River Ballroom

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2016

• NEODYMIUM (ND) AND STRONTIUM (SR) ISOTOPE EVIDENCE FOR WEATHERING OF ARC VOLCANICS DURING THE ORDOVICIAN GREENHOUSE-ICEHOUSE TRANSITION
  T288 The Early Paleozoic World: Radiations, Extinctions, and Paleoenvironmental Change II
  Wednesday, 28 September 2016

  8:00 AM - 12:00 PM

  Mile High Ballroom 3C
• A MODEL FOR THE DECREASE IN AMPLITUDE OF CARBON ISOTOPE EXCURSIONS THROUGHOUT THE PHANEROZOIC
  T288 The Early Paleozoic World: Radiations, Extinctions, and Paleoenvironmental Change II
  Wednesday, 28 September 2016

  8:00 AM - 12:00 PM

  Mile High Ballroom 3C
• STRONTIUM ISOTOPE STRATIGRAPHY THROUGH THE LATEST PERMIAN MASS EXTINCTION EVENT AND PERMIAN/TRIASSIC BOUNDARY AT DAWEN, GREAT BANK OF GUIZHOU, SOUTH CHINA
  T225 The Permian-Triassic Crisis and Its Aftermath: Biotic, Climatic, and Environmental Upheavals
  Tuesday, 27 September 2016

  1:30 PM - 5:30 PM

  Mile High Ballroom 4AB
• OXYGENATION AS A DRIVER OF THE GREAT ORDOVICIAN BIODIVERSIFICATION EVENT
  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

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2015

• SULFUR ISOTOPIC (δ34S) EVIDENCE FOR MARINE ANOXIA AND LINKS TO LOWER ORDOVICIAN (TREMADOCIAN) TRILOBITE EXTINCTIONS
  T18 Co-Evolution of Life and Planet: Broad–Scale Controls on Biodiversity I
  Sunday, 1 November 2015

  8:00 AM - 12:00 PM

  Room 314
• MASS EXTINCTION AND DIACHRONISM: RECONCILING THE END ORDOVICIAN ROCK RECORD
  T19 Mass Extinction Causality: Records of Anoxia, Acidification, and Global Warming during Earth's Greatest Crises I
  Sunday, 1 November 2015

  8:00 AM - 12:00 PM

  Room 310

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2014

• AN EARLY ORDOVICIAN MASS EXTINCTION AND THE PERSISTENCE OF ANOXIA
  T257 The Ordovician Revolution: Co-Evolution of Climate and the Biosphere
  Tuesday, 21 October 2014

  1:00 PM - 5:00 PM

  215/216
• SULFUR ISOTOPE EVIDENCE FOR LATE ORDOVICIAN OCEAN OXYGENATION: IMPLICATIONS FOR THE DRIVERS OF THE HIRNANTIAN EXTINCTION
  T257 The Ordovician Revolution: Co-Evolution of Climate and the Biosphere
  Tuesday, 21 October 2014

  1:00 PM - 5:00 PM

  215/216

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2013

• ROLE OF THE HANGENBERG EXCURSION AND MAGNETIC SUSCEPTIBLITY STRATIGRAPHY IN SELECTION OF A NEW DEVONIAN-CARBONIFEROUS SYSTEM BOUNDARY
  T403 Impact of GSSPs on The Evolution of North American Chronostratigraphy
  Wednesday, 30 October 2013

  1:00 PM - 5:00 PM

  Room 401
• CONODONT BIOSTRATIGRAPHY OF THE ROCKDALE RUN FORMATION, PINESBURG STATION DOLOMITE, ST. PAUL GROUP, AND CHAMBERSBURG FORMATION (MIDDLE TO LOWER UPPER ORDOVICIAN) NEAR CLEAR SPRING, MARYLAND
  T376 Celebrating Advances in Conodont Studies—134 Years of North American Conodonts (Posters)
  Wednesday, 30 October 2013

  9:00 AM - 6:30 PM

  Hall D
• STRONTIUM ISOTOPE (87SR/86SR) STRATIGRAPHY OF ORDOVICIAN CONODONT APATITE AND CARBONATE BULK ROCK: IMPLICATIONS FOR PRESERVATION OF PRIMARY SEAWATER CHEMISTRY
  T220 Celebrating Advances in Conodont Studies—134 Years of North American Conodonts
  Tuesday, 29 October 2013

  8:00 AM - 12:00 PM

  Mile High Ballroom 1CD

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2012

• CARBON ISOTOPE STRATIGRAPHY IN THE GEOLOGIC TIME SCALE 2012
  T250 Geologic Timescale—Current Status, Future Enhancement, and Applications (Posters)
  Wednesday, 7 November 2012

  9:00 AM - 6:00 PM

  Hall B
• THE EAST RIVER MOUNTAIN K-BENTONITE BED, A CENTRAL APPALACHIAN MARKER THAT CLOSELY APPROXIMATES THE MIDDLE-UPPER ORDOVICIAN (DARRIWILIAN-SANDBIAN) BOUNDARY
  T250 Geologic Timescale—Current Status, Future Enhancement, and Applications (Posters)
  Wednesday, 7 November 2012

  9:00 AM - 6:00 PM

  Hall B
• CARBON AND SULFUR ISOTOPE STRATIGRAPHY OF THE LATE IBEXIAN (FLOIAN) TO EARLY WHITEROCKIAN (DARRIWILIAN) OF THE POGONIP GROUP, GREAT BASIN, USA
  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
• MIDDLE–LATE ORDOVICIAN (DARRIWILIAN–SANDBIAN) PAIRED SULFUR AND CARBON ISOTOPE STRATIGRAPHY: LINKS TO PULSES OF OCEAN OXYGENATION, WEATHERING, AND BIODIVERSITY
  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
• POSITIVE CARBON ISOTOPE SHIFT IN THE MIDDLE TO LATE ORDOVICIAN: NO LINK WITH SEA LEVEL?
  T92 Sigma Gamma Epsilon Undergraduate Research (Posters)
  Monday, 5 November 2012

  9:00 AM - 6:00 PM

  Hall B
• 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
• COUPLED C AND SR ISOTOPE STRATIGRAPHY OF THE EARLY TRIASSIC OF ZAL, IRAN: A RECORD OF INCREASED WEATHERING
  T18 The Big Kill: Paleobiological, Geochemical, and Modeling Studies of the Permian–Triassic Boundary Mass Extinction I
  Sunday, 4 November 2012

  8:00 AM - 12:00 PM

  217BC
• CARBON ISOTOPE STRATIGRAPHY OF THE LATE IBEXIAN (FLOIAN) TO EARLY WHITEROCKIAN (DAPINGIAN) OF THE POGONIP GROUP, GREAT BASIN, USA: EVIDENCE FOR OXYGENATION DURING THE GREAT ORDOVICIAN BIODIVERSIFICATION EVENT (GOBE)
  1 Bridging the Gap between the Great Ordovician Biodiversification Event and Late Carboniferous Life: Conodonts, Climate Change, and Biodiversity Patterns
  Monday, 23 April 2012

  8:00 AM - 12:00 PM

  Room 303

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2011

• STRONTIUM ISOTOPE STRATIGRAPHY FROM THE LATE PERMIAN TO EARLY TRIASSIC OF ZAL, IRAN
  249 Stratigraphy (Posters)
  Wednesday, 12 October 2011

  9:00 AM - 6:00 PM

  Hall C
• CARBON ISOTOPE STRATIGRAPHY OF THE LATE IBEXIAN (FLOIAN) TO EARLY WHITEROCKIAN (DAPINGIAN) AT SHINGLE PASS, SOUTH EGAN RANGE, NEVADA, USA
  249 Stratigraphy (Posters)
  Wednesday, 12 October 2011

  9:00 AM - 6:00 PM

  Hall C
• LATE ORDOVICIAN TRILOBITE BIOFACIES OF EASTERN LAURENTIA: PALEOECOLOGICAL PATTERNS DURING FORELAND BASIN DEVELOPMENT
  4 Paleontology I: Paleoecology and Environment
  Sunday, 9 October 2011

  8:00 AM - 12:00 PM

  Room 205AB
• THE UPPERMOST FAMENNIAN HANGENBERG EXCURSION IN NORTH AMERICA AND THE SEARCH FOR THE BASE OF THE CARBONIFEROUS SYSTEM
  63 Devonian Climate and Paleoecology—Insight from Stratigraphic Studies III
  Tuesday, 22 March 2011

  1:30 PM - 5:30 PM

  Conference A
• CONODONT BIOSTRATIGRAPHY AND SR-ISOTOPE STRATIGRAPHY ACROSS THE KNOX/BEEKMANTOWN UNCONFORMITY IN THE CENTRAL APPALACHIANS
  15 Conodonts: Acanthodus to Zygognathus
  Sunday, 20 March 2011

  1:30 PM - 3:00 PM

  Frick

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2010

• CAMBRIAN SPICE (STEPTOEAN POSITIVE CARBON ISOTOPE EXCURSION) AS A MODEL FOR COMPARABLE PROTEROZOIC HIGH-AMPLITUDE ISOTOPIC EVENTS
  T161 Understanding High-Amplitude Stable Isotope Variations in Proterozoic Strata
  Tuesday, 2 November 2010

  8:00 AM - 12:00 PM

  Room 207
• STRONTIUM AND NEODYMIUM ISOTOPE STRATIGRAPHY OF THE MIDDLE ORDOVICIAN AND WEATHERING OF THE APPALACHIAN MOUNTAINS
  T191 Deciphering Paleozoic Paleoenvironmental Changes Using Stable and Radiogenic Isotope Proxies (Posters)
  Tuesday, 2 November 2010

  8:00 AM - 6:00 PM

  Hall D
• EVIDENCE FOR AN EARLIEST TRIASSIC MICROBIALITE FROM THE CONFUSION RANGE, UT
  T48 New Developments in Permian-Triassic Paleoceanography (Posters)
  Sunday, 31 October 2010

  8:00 AM - 6:00 PM

  Hall D

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2009

• USING 238U/235U RATIOS IN CARBONATES AS A PALEOREDOX INDICATOR: VARIATIONS ACROSS THE PERMIAN-TRIASSIC BOUNDARY
  222 Recent Advances in Paleoceanography and Paleoclimatology
  Wednesday, 21 October 2009

  8:00 AM - 12:00 PM

  Portland Ballrooms 251/258
• HIGH-RESOLUTION CARBON ISOTOPE COMPOSITE CURVE FOR THE PERMIAN SYSTEM: IMPLICATIONS FOR ORGANIC CARBON BURIAL AND GLOBAL CLIMATE
  264 Geochemical Approaches to Earth Processes
  Wednesday, 21 October 2009

  1:30 PM - 5:30 PM

  Portland Ballroom 252
• THE LATE ORDOVICIAN GLACIATION AND MASS EXTINCTION: RELATION TO BASALTIC WEATHERING AND VOLCANIC DEGASSING?
  T159 Volcanism, Impacts, Mass Extinctions, and Global Environmental Change III
  Tuesday, 20 October 2009

  8:00 AM - 12:00 PM

  Portland Ballroom 253
• OXYGEN ISOTOPE TRENDS AND INTERPRETED PALEOCLIMATE CHANGES ACROSS THE LATE CAMBRIAN POSITIVE CARBON ISOTOPE EXCURSION (SPICE EVENT)
  T199 High-Resolution Terrestrial and Marine Geochemical Proxies of Global Change: Progress, Problems, and Utility II
  Tuesday, 20 October 2009

  1:30 PM - 5:30 PM

  Portland Ballrooms 251/258
• NEW WENLOCK-LUDLOW (SILURIAN) 87SR/86SR DATA AND A REVISED SILURIAN SR CURVE: IMPLICATIONS FOR THE SILURIAN TIMESCALE
  T160 EARTHTIME: From Developing Tools to Teaching about Time
  Tuesday, 20 October 2009

  8:00 AM - 12:00 PM

  C123
• THE PERMIAN-TRIASSIC TRANSITION IN THE GREAT BASIN (CONFUSION RANGE-SPRUCE MOUNTAIN COMPOSITE): AGE CONSTRAINTS BASED ON A CONTINUOUS CARBON ISOTOPE RECORD, STRONTIUM ISOTOPES AND SEQUENCE STRATIGRAPHY
  T133 Volcanism, Impacts, Mass Extinctions, and Global Environmental Change II
  Monday, 19 October 2009

  1:30 PM - 5:30 PM

  Portland Ballroom 253

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2008

• Toward High Resolution Isotope Stratigraphy: Permian 87Sr/86Sr and δ13C Stratigraphy from Limestones In China and Nevada
  T266 Paleozoic Oceanographic and Climatic Changes: Evidence from Seawater Geochemistry and Sedimentology Records II
  Tuesday, 7 October 2008

  1:30 PM - 5:30 PM
• Geochemical Evidence for Widespread Reducing Ocean during the Middle to Late Cambrian
  T230 Paleozoic Oceanographic and Climatic Changes: Evidence from Seawater Geochemistry and Sedimentology Records I
  Tuesday, 7 October 2008

  8:00 AM - 12:00 PM
• INTRODUCING THE BALSAMIAN, NEW SUBSTAGE OF THE EARLY CHATFIELDIAN (MOHAWKIAN, LATE ORDOVICIAN): CHRONOSTRATIGRAPHIC IMPLICATIONS OF THE GUTTENBERG δ 13C EXCURSION (GICE) IN NEW YORK STATE AND ONTARIO
  28 Evolution of the Taconian Foreland Basin: Timing of Late Ordovician Sedimentological and Tectonic Events as Seen From Outcrop and Subsurface Sources II
  Friday, 28 March 2008

  1:00 PM - 4:10 PM
• GEOCHEMICAL EVIDENCE OF ENHANCED OCEAN ANOXIA DURING THE LATE CAMBRIAN SPICE EVENT AND IMPLICATIONS FOR TRILOBITE BIOMERE EXTINCTIONS
  12 Paleontology/Sedimentology/Stratigraphy
  Thursday, 20 March 2008

  8:00 AM - 12:00 PM

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2007

• STRONTIUM ISOTOPE STRATIGRAPHY OF THE EARLY SILURIAN (LLANDOVERY): IMPLICATIONS FOR TECTONICS AND WEATHERING
  111 Paleoclimatology/Paleoceanography (Posters)
  Monday, 29 October 2007

  1:30 PM - 5:30 PM
• A LATE CAMBRIAN OCEAN ANOXIC EVENT
  111 Paleoclimatology/Paleoceanography (Posters)
  Monday, 29 October 2007

  1:30 PM - 5:30 PM
• INCREASED CARBON ISOTOPIC FRACTIONATION DURING THE LATE CAMBRIAN SPICE EVENT AND A PULSE OF ATMOSPHERIC OXYGEN
  5 Oxygen, Evolution, and Extinction
  Sunday, 28 October 2007

  8:00 AM - 12:00 PM
• A GLOBAL CHANGE IN δ13C OF ORGANIC MATTER DURING THE LATE ORDOVICIAN HIRNANTIAN: IMPLICATIONS FOR ATMOSPHERIC CO2 LEVELS AND GLACIATION
  T28 Late Paleozoic Glacial-interglacial Climate Changes: Analogs for Present and Future Climate Changes (Posters)
  Sunday, 28 October 2007

  8:00 AM - 12:00 PM
• THE CHARACTER OF STREAMS FROM THE CENTRAL RANGE, TAIWAN: AN ANALOGY TO THE HYDROLOGY OF NEW ENGLAND AFTER THE TACONIC OROGENY
  1 New England Hydrology: A Tribute to S. Lawrence Dingman
  Monday, 12 March 2007

  8:15 AM - 12:00 PM

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2006

• A LARGE, RAPID 87/86SR DROP ACROSS THE MIDDLE TO LATE ORDOVICIAN BOUNDARY: IMPLICATIONS FOR PALEOCEANOGRAPHY & WEATHERING OF THE TACONIC HIGHLANDS
  T198 Epi-continental Seas in the Geological Record: The Limitations of the Uniformitarian Paradigm I
  Wednesday, 25 October 2006

  8:00 AM - 12:00 PM
• KINDERHOOKIAN-OSAGEAN CARBON ISOTOPE EXCURSION (A MARINE OR TERRESTRIAL ORGANIC MATTER BURIAL EVENT?) AND ITS RELATIONSHIP TO CLIMATE AND LAND PLANT EVOLUTION
  T106 Devonian–Early Carboniferous Climate Change: Glacial Deposits and Proxy Records
  Monday, 23 October 2006

  1:30 PM - 5:30 PM
• ASKING OLD ROCKS NEW QUESTIONS: CHRONOSTRATIGRAPHIC SIGNIFICANCE OF CARBON ISOTOPES TO PALEOZOIC STRATIGRAPHY
  T42 The EARTHTIME Project II
  Sunday, 22 October 2006

  1:30 PM - 5:30 PM
• CORRELATION OF CARBON ISOTOPE (δ13C) STRATIGRAPHY WITH SHIFTS IN LITHOFACIES AND TRILOBITE BIOFACIES, LATE ORDOVICIAN VIOLA GROUP, SOUTHERN OKLAHOMA
  31 Current Applications of Geochemistry to Marine Paleoecology
  Tuesday, 21 March 2006

  1:00 PM - 5:00 PM

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2005

• EFFECTS OF COAL DEPOSITION ON CARBON ISOTOPES: MILANKOVITCH CYCLICITY, EUSTACY, AND THE CARBON CYCLE
  T218 Resolving the Late Paleozoic Gondwanan Ice Age in Time and Space: Integration of Southern and Northern Hemisphere Records II
  Wednesday, 19 October 2005

  10:00 AM - 12:00 PM
• A COMPARISON OF THE NEOPROTEROZOIC AND PALEOZOIC CARBON CYCLES
  45 Marine Anoxia over Geologic Time—Where, When, Why, and Cause and Effect Relationships to the Evolving Biosphere III
  Thursday, 11 August 2005

  9:00 AM - 12:00 PM
• EVOLUTION OF THE MARINE CARBON CYCLE DURING THE PALEOZOIC
  36 Marine Anoxia over Geologic Time—Where, When, Why, and Cause and Effect Relationships to the Evolving Biosphere I
  Wednesday, 10 August 2005

  9:00 AM - 12:00 PM
• PARALLEL, HIGH-RESOLUTION CARBON AND SULFUR ISOTOPE RECORDS AND THEIR USE IN RESOLVING THE MECHANISMS BEHIND REGIONAL AND GLOBAL ISOTOPE EXCURSIONS
  2 Influence of Epeiric Sea Dynamics on the Interpretation of Isotope Secular Curves I
  Monday, 8 August 2005

  9:00 AM - 12:00 PM
• FIRST DOCUMENTATION OF EARLY WENLOCK IREVIKEN POSITIVE d13CCARB EXCURSION IN THE TYPE AREA OF THE NIAGARAN PROVINCIAL SERIES: IRONDEQUOIT LIMESTONE, ROCHESTER SHALE, DECEW DOLOMITE, GASPORT DOLOMITE, AND GOAT ISLAND DOLOMITE ARE ALL SHEINWOODIAN (EARLY WENLOCK) IN AGE
  32 Sedimentary Geology (Posters)
  Friday, 20 May 2005

  8:00 AM - 12:00 PM
• FIRST RECOGNITION OF HIRNANTIAN (UPPERMOST ORDOVICIAN) STRATA IN NORTHEASTERN IOWA AND NORTHEASTERN ILLINOIS BY MEANS OF d13C CHEMOSTRATIGRAPHY
  33 Innovations in Paleontological Methods (Posters)
  Friday, 20 May 2005

  8:00 AM - 12:00 PM
• GEOCHEMISTRY OF CHITINOPHOSPHATIC BRACHIOPOD SHELLS FROM CAMBRIAN NEARSHORE DEPOSITS OF THE CRATONIC INTERIOR OF LAURENTIA
  7 Innovations in Paleontological Methods I: Geochemistry in Paleobiology: New Systems, New Substrates, New Techniques
  Thursday, 19 May 2005

  8:00 AM - 10:00 PM
• CARBON ISOTOPE STRATIGRAPHY OF DEVONIAN (EMSIAN-EIFELIAN) LIMESTONES OF NEW YORK AND NEVADA
  25 Coastal Sedimentology, Stratigraphy, and General Sedimentology (Posters)
  Tuesday, 15 March 2005

  1:00 PM - 5:00 PM

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2004

• PHOSPHORUS, NITROGEN AND THE REDOX EVOLUTION OF THE PALEOZOIC OCEANS
  T205 Ocean Chemistry through the Precambrian and Paleozoic I
  Wednesday, 10 November 2004

  8:00 AM - 12:00 PM
• 400 KA ECCENTRICITY CYCLE MODULATION OF THE SPICE CARBON ISOTOPE EXCURSION ON BOTH SIDES OF THE CAMBRIAN EARTH
  T235 Ocean Chemistry through the Precambrian and Paleozoic II
  Wednesday, 10 November 2004

  1:30 PM - 5:30 PM
• CO2 AS THE DRIVER OF CHANGES IN SILURIAN CLIMATE?
  T235 Ocean Chemistry through the Precambrian and Paleozoic II
  Wednesday, 10 November 2004

  1:30 PM - 5:30 PM
• PARALLEL HIGH-RESOLUTION CARBON AND SULFUR ISOTOPE RECORDS IN THE PALEOZOIC AND IMPLICATIONS FOR BIOSPHERIC OXYGENATION
  T205 Ocean Chemistry through the Precambrian and Paleozoic I
  Wednesday, 10 November 2004

  8:00 AM - 12:00 PM
• CAMBRIAN CHITINOPHOSPHATIC BRACHIOPOD SHELLS YIELD A PRIMARY MARINE d13CCARB SIGNATURE AND REVEAL TERRESTRIAL-MARINE PALEOCEANOGRAPHIC INTERACTION
  T235 Ocean Chemistry through the Precambrian and Paleozoic II
  Wednesday, 10 November 2004

  1:30 PM - 5:30 PM
• A LARGE SEAWATER 87SR/86SR DROP (~ 0.0008) IN THE MIDDLE TO LATE ORDOVICIAN (LATE WHITEROCKIAN): EVIDENCE FROM CENTRAL NEVADA
  T156 Ocean Chemistry through the Precambrian and Paleozoic (Posters)
  Tuesday, 9 November 2004

  8:00 AM - 12:00 PM
• CHEMOSTRATIGRAPHY OF THE HELDERBERG (SILURO-DEVONIAN) MIXED CARBONATE-CLASTIC SUCCESSION FROM THE NORTHERN TO CENTRAL APPALACHIANS
  T156 Ocean Chemistry through the Precambrian and Paleozoic (Posters)
  Tuesday, 9 November 2004

  8:00 AM - 12:00 PM
• GLACIO-EUSTATIC INFLUENCE ON THE CARBON CYCLE; CHEMOSTRATIGRAPHY OF CYCLOTHEMS IN THE ATOKAN, ARROW CANYON, NEVADA, USA
  T156 Ocean Chemistry through the Precambrian and Paleozoic (Posters)
  Tuesday, 9 November 2004

  8:00 AM - 12:00 PM
• SILURIAN-DEVONIAN CARBONATES OF PENNSYLVANIA AND NEW YORK AND THE ROLE OF ENHANCED ORGANIC CARBON BURIAL IN A CARBON ISOTOPIC EXCURSION
  13 Recent Developments in Understanding Carbonate Geology of the Midcontinent
  Friday, 2 April 2004

  8:00 AM - 12:00 PM
• INCREASED REMOVAL OR DECREASED DELIVERY OF 12C: INTERPRETING THE LOWER SHEINWOODIAN (SILURIAN) POSITIVE CARBON ISOTOPE EXCURSION FROM THE MIDCONTINENT
  13 Recent Developments in Understanding Carbonate Geology of the Midcontinent
  Friday, 2 April 2004

  8:00 AM - 12:00 PM
• HIGH-RESOLUTION SULFUR ISOTOPE RECORDS OF EARLY AND MIDDLE PALEOZOIC SEAWATER AS RECORDED IN LIMESTONES AND DOLOSTONES OF MIDCONTINENT NORTH AMERICA
  13 Recent Developments in Understanding Carbonate Geology of the Midcontinent
  Friday, 2 April 2004

  8:00 AM - 12:00 PM
• DEFINING THE RELATIONSHIP BETWEEN MILANKOVITCH CYCLICITY AND THE CARBON CYCLE IN THE PENNSYLVANIAN AT ARROW CANYON, NEVADA
  2 Sedimentology and Stratigraphy
  Thursday, 1 April 2004

  8:00 AM - 12:00 PM

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2003

• AGE AND SIGNIFICANCE OF THE SEQUENCE BOUNDARY AT THE BASE OF THE EUREKA QUARTZITE IN CENTRAL NEVADA
  T181 New Perspectives on Neoproterozoic–Early Paleozoic Development of Western Laurentia: In Honor of John Cooper
  Tuesday, 4 November 2003

  1:30 PM - 5:30 PM
• THE EFFECT ON PALEO-PRODUCTIVITY OF THE FIRST MAJOR DELIVERY OF MID-LAURENTIAN SAPROLITE-DERIVED MATERIAL TO PHANEROZOIC OCEANS: CONTINENT-WIDE MARINE RAVINEMENT DURING SUBMERGENCE-EMERGENCE OF LATE CAMBRIAN NORTH AMERICA, AND THE GLOBAL CARBON ISOTOPE SPICE EVENT
  T177 Evolutionary and Ecological Links Between Terrestrial and Marine Ecosystems in the Phanerozoic
  Tuesday, 4 November 2003

  1:30 PM - 5:30 PM
• CONODONTS, GRAPTOLITES, AND d13C CHEMOSTRATIGRAPHY IN THE LATEST ORDOVICIAN (GAMACHIAN, HIRNANTIAN): A GLOBAL REVIEW
  10 Pander Society Symposium
  Monday, 24 March 2003

  1:00 PM - 5:00 PM
• REGIONAL CARBON ISOTOPE (d13C) STRATIGRAPHY OF CHATFIELDIAN (UPPER MIDDLE ORDOVICIAN) CARBONATES IN CENTRAL AND EASTERN NORTH AMERICA
  3 Pander Society Symposium (Posters)
  Monday, 24 March 2003

  8:00 AM - 12:00 PM

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2002

• CARBONIFEROUS CARBON ISOTOPE STRATIGRAPHY OF WESTERN EURAMERICA
  219 Paleoclimatology/Paleoceanography II
  Wednesday, 30 October 2002

  1:30 PM - 5:30 PM
• FROM FARMERS TO COWBELLS: THE POSSIBILITY OF LOWER MISSISSIPPIAN GLACIO-EUSTATIC SIGNALS RECORDED IN THE VANCEBURG SEQUENCE (BORDEN FORMATION) OF KENTUCKY AND INDIANA
  42 Event Stratigraphy: Evidence for Volcanic, Eustatic, Biotic, Isotopic, and Seismic Events in the Paleozoic Sedimentary Record
  Friday, 5 April 2002

  8:00 AM - 12:00 PM
• AN OCEANIC GATEWAY HYPOTHESIS FOR THE LATE PALEOZOIC ICE AGE
  34 Carboniferous Paleontology and Biostratigraphy
  Thursday, 4 April 2002

  1:20 PM - 5:00 PM

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2001

• THE LATE PALEOZOIC ICE AGE: OCEANIC GATEWAY OR PCO2?
  8 Paleoclimatology/Paleoceanography I
  Monday, 5 November 2001

  8:00 AM - 12:00 PM
• CARBON ISOTOPE SHIFTS AND GLACIATION IN THE CARBONIFEROUS: AN UPDATE FROM THE ARROW CANYON RANGE IN SOUTHERN NEVADA
  25 Global Change in the Late Paleozoic
  Tuesday, 26 June 2001

  11:30 AM - 4:30 PM
• THE ORDOVICIAN (CHATFIELDIAN) GUTTENBERG CARBON ISOTOPE EXCURSION. 1. NEW DATA FROM THE EASTERN NORTH AMERICAN MIDCONTINENT AND BALTOSCANDIA
  17 Sedimentary Rocks (Posters)
  Tuesday, 24 April 2001

  8:00 AM - 12:00 PM
• THE ORDOVICIAN (CHATFIELDIAN) GUTTENBERG CARBON ISOTOPE EXCURSION. 2. SIGNIFICANCE FOR CLARIFYING BALTOSCANDIC AND TRANS-ATLANTIC BIOSTRATIGRAPHIC RELATIONS AND THE EQUIVALENCE OF THE NORTH AMERICAN MILLBRIG AND BALTOSCANDIC KINNEKULLE K-BENTONITES
  17 Sedimentary Rocks (Posters)
  Tuesday, 24 April 2001

  8:00 AM - 12:00 PM
• UPPER CAMBRIAN EXTINCTION, CARBON ISOTOPE SHIFTS AND THE SAUK II - SAUK III SEA LEVEL EVENT: NEW EVIDENCE FROM NORTHERN UTAH, NEWFOUNDLAND AND THE MIDCONTINENT
  3 Paleozoic Bio-events (Sponsored by the Paleontological Society)
  Monday, 23 April 2001

  8:00 AM - 12:00 PM

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Date Unknown

• Strontium Isotope Stratigraphy of the Permian-Triassic Boundary Interval in the Great Basin, USA: How Much of a Record Is Preserved?
  T198 Paleozoic Oceanographic and Climatic Changes: Evidence from Seawater Geochemistry and Sedimentology Records (Posters)
• THE GUTTENBERG (CHATFIELDIAN, ORDOVICIAN) 13C EXCURSION (GICE): SIGNIFICANCE FOR NORTH AMERICAN AND TRANS-ATLANTIC CHRONOSTRATIGRAPHIC CORRELATIONS AND FOR ASSESSMENT OF THE AGE RELATIONS BETWEEN THE NORTH AMERICAN MILLBRIG AND THE BALTOSCANDIC KINNEKULLE K-BENTONITES
  31 Stratigraphy (Posters) II
• THE LATE MIDDLE ORDOVICIAN (CHATFIELDIAN) GUTTENBERG CARBON ISOTOPE EXCURSION (GICE): A USEFUL TOOL FOR CORRELATION FROM NEW YORK TO MANITOULIN, ONTARIO AND CENTRAL KENTUCKY
  256 Sediments, Carbonates (Posters)
• PALEOOCEANOGRAGHIC ASPECTS OF THE EARLY CHATFIELDIAN (UPPER MIDDLE ORDOVICIAN) POSITIVE d13C EXCURSION (GICE)
  256 Sediments, Carbonates (Posters)
• δ13C TRENDS FROM NEW YORK'S ONONDAGA FM.: GLOBAL OR LOCAL? IMPLICATIONS FOR STRATIGRAPHY
  35 A Continent Encompassed: Issues in North American Paleozoic Stratigraphy (Posters)
• LATE ORDOVICIAN d13CCARB, δ13CORG, AND 87/86SR STRATIGRAPHY ON OPPOSITE SIDES OF LAURENTIA: TECTONIC AND CLIMATIC IMPLICATIONS FOR A GREENHOUSE-ICEHOUSE TRANSITION
  28 GeoSystems and CHRONOS: Probing Earth’s Deep-Time Climate and Linked Systems (Posters)
• CENTRAL NORTH AMERICAN RECORD OF THE GLOBAL HANGENBERG CARBON ISOTOPE EXCURSION IN AN EPEIRIC SEA SETTING: VARIATIONS IN CARBONATE PRODUCTION AND ORGANIC CARBON BURIAL DURING THE LATE FAMENNIAN
  21 Influence of Epeiric Sea Dynamics on the Interpretation of Isotope Secular Curves (Posters)
• TRANS-ATLANTIC CORRELATION OF UPPER ORDOVICIAN δ13C EXCURSIONS
  35 A Continent Encompassed: Issues in North American Paleozoic Stratigraphy (Posters)
• CHRONOSTRATIGRAPHIC SIGNIFICANCE OF d13C CHEMOSTRATIGRAPHY IN THE ORDOVICIAN-SILURIAN BOUNDARY INTERVAL IN THE NORTH AMERICAN MIDCONTINENT
  35 A Continent Encompassed: Issues in North American Paleozoic Stratigraphy (Posters)
• A DETAILED δ13C CURVE THROUGH THE CINCINNATIAN SERIES (UPPER ORDOVICIAN) IN ITS TYPE AREA: SIGNIFICANCE FOR REGIONAL CHEMOSTRATIGRAPHIC CORRELATIONS
  54 Stratigraphy (Posters)
• THE BLACK KNOB RIDGE SECTION, SOUTHEASTERN OKLAHOMA, USA: A POSSIBLE GLOBAL STRATOTYPE-SECTION AND POINT (GSSP) FOR THE BASE OF THE DIPLACANTHOGRAPTUS CAUDATUS BIOZONE AND THE MIDDLE STAGE OF THE UPPER ORDOVICIAN SERIES
  24 Stratigraphy (Posters)
• THE FIRST RECORD OF THE ORDOVICIAN GUTTENBERG δ13C EXCURSION (GICE) IN ASIA: CHEMOSTRATIGRAPHY OF THE PAGODA LIMESTONE AND YANWASHAN FORMATION IN SOUTH-EASTERN CHINA
  54 Sediments, Carbonates (Posters)