Thomas Algeo
University of Cincinnati, Cincinnati, OH
Activity
2024
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GLOBAL RECORDS REVEAL A STEEP OCEANIC DIC δ13C DEPTH GRADIENT DURING THE HIRNANTIAN GLACIATION
T56 New Advances in GeobiologySunday, 22 September 20241:30 PM - 5:30 PM208A
2023
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THEORY AND CLASSIFICATION OF MASS EXTINCTIONS
T216 Mass Extinctions as Natural Experiments in Earth System Perturbations IWednesday, 18 October 20238:00 AM - 12:00 PM301 / 302
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RELATIONSHIP OF REDOX AND SALINITY IN PALEODEPOSITIONAL SYSTEMS
T77 Integrated Evaluations of the Depositional Processes Driving Carbon Burial in Ancient Marine EnvironmentsMonday, 16 October 20238:00 AM - 12:00 PM321
2022
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THE IMPORTANCE OF SALINITY ANALYSIS IN PALEOENVIRONMENTAL STUDIES
25 Integrated Studies of Paleozoic Black ShaleFriday, 8 April 20228:00 AM - 12:00 PMNorth Meeting Room 205
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REDOX GRADIENTS RECORDED IN LOWER MISSISSIPPIAN BLACK SHALES OF THE APPALACHIAN AND WILLISTON BASINS, NORTH AMERICA: A TEST CASE FOR URANIUM ISOTOPE BEHAVIOR
49 Integrated Studies of Paleozoic Black Shale (Posters)Friday, 8 April 20221:30 PM - 5:30 PMJunior Ballroom B
2020
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ELEMENTAL PROXIES FOR SALINITY ANALYSIS OF ANCIENT SHALES AND MUDSTONES: UPDATE AND CASE STUDIES
67 D4. GeochemistryTuesday, 27 October 20201:30 PM - 5:30 PMMeeting Rooms
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CO-EVOLUTION OF EARTH SYSTEMS DURING THE DEVONIAN PERIOD
T50 Reconstructing Events of the Late Devonian: Fossil and Rock Record Insights into a Dynamic Biosphere ITuesday, 27 October 202010:00 AM - 12:00 PMMeeting Rooms
2019
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BRIEF OXYGENATION EVENT DURING EXTENSIVE ANOXIA ACROSS THE PERMIAN-TRIASSIC TRANSITION AS REVEALED BY THALLIUM ISOTOPES
2 Reconstructing Paleo-Environmental Changes IThursday, 28 March 20198:00 AM - 12:00 PMGold Ballroom
2018
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INSIGHTS ON DEPOSITIONAL PROCESSES OF DEVONIAN-MISSISSIPPIAN BLACK SHALES (CENTRAL APPALACHIAN BASIN, U.S.A.) FROM C-S-FE ANALYSIS WITHIN AN OPTIMIZED CYCLOSTRATIGRAPHIC FRAMEWORK
T234 Greenhouse to Icehouse Transition: Global Events of the Devonian, Carboniferous, and Early Permian IWednesday, 7 November 20188:00 AM - 12:00 PMRoom 140
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TWO EPISODES OF CAPITANIAN (MIDDLE PERMIAN) MASS EXTINCTION LINKED TO OCEANIC ANOXIA
T283 Greenhouse to Icehouse Transition: Global Events of the Devonian, Carboniferous, and Early Permian IIWednesday, 7 November 20181:30 PM - 5:30 PMRoom 140
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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 IWednesday, 7 November 20188:00 AM - 12:00 PMRoom 140
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RAPID OSCILLATIONS OF GLOBAL MARINE REDOX CONDITIONS AT THE DEVONIAN-CARBONIFEROUS TRANSITION
T234 Greenhouse to Icehouse Transition: Global Events of the Devonian, Carboniferous, and Early Permian IWednesday, 7 November 20188:00 AM - 12:00 PMRoom 140
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CRYOGENIAN PALEOCLIMATE FLUCTUATIONS AND ITS INFLUENCE ON MANGANESE DEPOSITS IN SOUTH CHINA
T256 Oceans and Climates through Earth History: From Proxy Reconstructions to Model Assessments (Posters)Wednesday, 7 November 20189:00 AM - 6:30 PMHalls J-K
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BIOMARKER EVIDENCE OF LATE DEVONIAN MARINE ALGAL-MICROBIAL COMMUNITY CHANGES DRIVEN BY RIVERINE NUTRIENT INPUTS (CHATTANOOGA SHALE, TENNESSEE, U.S.A.)
T256 Oceans and Climates through Earth History: From Proxy Reconstructions to Model Assessments (Posters)Wednesday, 7 November 20189:00 AM - 6:30 PMHalls J-K
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DO URANIUM ISOTOPES OF MARINE LIMESTONES PROVIDE EVIDENCE FOR SEAWATER ANOXIA AS A COMMON DRIVER FOR PHANEROZOIC MASS EXTINCTIONS?
T234 Greenhouse to Icehouse Transition: Global Events of the Devonian, Carboniferous, and Early Permian IWednesday, 7 November 20188:00 AM - 12:00 PMRoom 140
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ONSET OF MAJOR OCEAN OXYGENATION DURING THE EARLY MIDDLE DEVONIAN PERIOD RECORDED BY URANIUM ISOTOPES IN MARINE LIMESTONES FROM THE WESTERN U.S.A
T234 Greenhouse to Icehouse Transition: Global Events of the Devonian, Carboniferous, and Early Permian IWednesday, 7 November 20188:00 AM - 12:00 PMRoom 140
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PRECURSORS: ENVIRONMENTAL DISTURBANCE IN THE PANTHALASSIC REALM PRIOR TO THE TJB
T162 Extinction and Survival across the Triassic-Jurassic BoundaryTuesday, 6 November 20188:00 AM - 12:00 PMRoom 141
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PROTRACTED ANOXIA DURING THE PERMIAN-TRIASSIC TRANSITION AS REVEALED BY THALLIUM ISOTOPES
T36 New Developments in Geochemical Proxies for Paleoceanographic Research (Posters)Sunday, 4 November 20189:00 AM - 5:30 PMHalls J-K
2017
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CHANGES IN VEGETATION TYPE ON THE CHINESE LOESS PLATEAU SINCE 75 KA RELATED TO EAST ASIAN SUMMER MONSOON VARIATION
T315 Deciphering Climate Change and Climate Variability in the Geologic Record Using Palaeosols, Loess, Palaeoweathering Profiles, Pedosedimentary Sequences, and Polygenetic Soils: Their Applications and Limitations as Terrestrial Proxies in Understanding Impacts of Climatic ChangesWednesday, 25 October 20178:00 AM - 12:00 PMSkagit 3
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MARINE TRANSGRESSIONS INTO THE BOHAI BAY LACUSTRINE SYSTEM DURING THE PALEOGENE
T232 Limnogeology—Progress, Challenges, and Opportunities on Earth and Beyond: A Tribute to Beth Gierlowski-KordeschTuesday, 24 October 20171:30 PM - 5:30 PMRoom 307/308
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POST-STURTIAN SULFUR ISOTOPE ANOMALIES IN THE NANHUA BASIN, SOUTH CHINA RELATED TO UPWARD H2S MIGRATION
T217 Deciphering the Major Paleoenvironmental Crises of the Earth and Their Impact on the Marine Ecosystems and Biogeochemical CyclesTuesday, 24 October 20178:00 AM - 12:00 PMRoom 307/308
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DEVELOPMENT OF SAND-BODY RESERVOIRS IN FAULT-BOUNDED LAKE BASINS: PLEISTOCENE-HOLOCENE POYANG LAKE, EASTERN CHINA
T232 Limnogeology—Progress, Challenges, and Opportunities on Earth and Beyond: A Tribute to Beth Gierlowski-KordeschTuesday, 24 October 20171:30 PM - 5:30 PMRoom 307/308
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THE PERMIAN-TRIASSIC BOUNDARY CRISIS: CURRENT STATE OF KNOWLEDGE AND FUTURE RESEARCH DIRECTIONS
T38 High-Resolution Investigations of the Permian-Triassic TransitionSunday, 22 October 20171:30 PM - 5:30 PMRoom 611
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MERCURY ENRICHMENT PROVIDES EVIDENCE OF GLOBAL VOLCANIC EFFECTS DURING THE PERMIAN-TRIASSIC BOUNDARY CRISIS
T38 High-Resolution Investigations of the Permian-Triassic TransitionSunday, 22 October 20171:30 PM - 5:30 PMRoom 611
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QUANTITATIVE CONSTRAINTS ON END-PERMIAN AND EARLY TRIASSIC OCEANIC ANOXIA USING HIGH-RESOLUTION δ238U RECORDS
T38 High-Resolution Investigations of the Permian-Triassic TransitionSunday, 22 October 20171:30 PM - 5:30 PMRoom 611
2016
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DIAGENETIC UPTAKE OF RARE EARTH ELEMENTS BY CONODONT APATITE
30 The Contribution of Taphonomy for Understanding the Fossil Record (Posters)Tuesday, 19 April 20168:00 AM - 12:00 PMIllinois Ballroom AB
2013
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FRAMBOIDAL PYRITE FROM THE LOWER TRIASSIC OF THE BIANYANG SECTION (NANPANJIANG BASIN, SOUTH CHINA) AND ITS PALEOCEANOGRAPHIC IMPLICATIONS
T88 Into the Frying PAN: The Early Triassic Hothouse of Pangea and Panthalassa IISunday, 27 October 20131:00 PM - 5:00 PMRoom 601
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ASYMMETRY OF LATE PENNSYLVANIAN GLACIO-EUSTATIC FLUCTUATIONS IN THE NORTH AMERICAN MIDCONTINENT
28 Special Poster Session on Undergraduate Research (Posters)Friday, 3 May 20138:00 AM - 12:00 PMCourtyard
2012
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TECTONIC AND CLIMATIC CONTROLS ON THE PHANEROZOIC MARINE NITROGEN CYCLE
T191 Geochemical Proxies for Ancient Ocean Chemistry: Implications for Links Between Ocean Chemistry, Plate Tectonics, Sea Level, and Climate throughout the Late Precambrian and PhanerozoicTuesday, 6 November 20121:30 PM - 5:30 PM202AB
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GRADIENTS IN NUTRIENT DISTRIBUTION AND PRODUCTIVITY IN NORTHEAST PANTHALASSA ACROSS THE PTB
T18 The Big Kill: Paleobiological, Geochemical, and Modeling Studies of the Permian–Triassic Boundary Mass Extinction ISunday, 4 November 20128:00 AM - 12:00 PM217BC
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STABLE CARBON ISOTOPIC COMPOSITION OF FOSSIL LAND PLANTS: AN INDICATOR OF DEVONIAN PALEOCLIMATE CHANGE
T15 Fossils Plants as Paleoenvironmental Recorders ISunday, 4 November 20128:00 AM - 12:00 PM202AB
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LARGE SHALLOW-TO-DEEP D13C GRADIENTS IN EARLY TRIASSIC SEAS OF THE SOUTH CHINA CRATON: EVIDENCE FOR EXTREME WATER-COLUMN STRATIFICATION
T18 The Big Kill: Paleobiological, Geochemical, and Modeling Studies of the Permian–Triassic Boundary Mass Extinction ISunday, 4 November 20128:00 AM - 12:00 PM217BC
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ORIGIN OF SMALL-SCALE CYCLICITY IN UPPER PENNSYLVANIAN CYCLOTHEMIC CORE SHALES OF THE MIDCONTINENT REGION
25 Stratigraphy and Sedimentology (Posters)Tuesday, 24 April 20128:00 AM - 11:30 AMExhibit Hall 101/102
2011
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STRONTIUM ISOTOPE STRATIGRAPHY FROM THE LATE PERMIAN TO EARLY TRIASSIC OF ZAL, IRAN
249 Stratigraphy (Posters)Wednesday, 12 October 20119:00 AM - 6:00 PMHall C
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THE EARLY TRIASSIC CESSPOOL: MARINE CONDITIONS FOLLOWING THE END-PERMIAN MASS EXTINCTION
T209 Permian-Triassic Changes and Extinction Event: New Insights from Sedimentary, Geochemical, and Paleobiological Records and Modeling Approaches IITuesday, 11 October 20111:30 PM - 5:30 PMRoom 200FG
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INCREASING NITROGEN LIMITATION AT THE P-TR BOUNDARY: A PAN-OCEANIC PHENOMENON?
T209 Permian-Triassic Changes and Extinction Event: New Insights from Sedimentary, Geochemical, and Paleobiological Records and Modeling Approaches IITuesday, 11 October 20111:30 PM - 5:30 PMRoom 200FG
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TRACING SEQUENCE STRATIGRAPHIC SURFACES OF CYCLOTHEMIC BLACK SHALES USING NITROGEN ISOTOPES
T150 Applications of Bio-, Chemo-, and Lithostratigraphy to Sequence StratigraphyTuesday, 11 October 20118:00 AM - 12:00 PMRoom 200H-J
2010
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REDOX CONDITIONS IN LATE PERMIAN-EARLY TRIASSIC OCEANS: THE ROLE OF ELEVATED CONTINENTAL WEATHERING FLUXES
T238 Marine Redox Evolution: Controls and Consequences IWednesday, 3 November 20108:00 AM - 12:00 PMRoom 203
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ICEHOUSE-GREENHOUSE CLIMATE IMPACTS on THE PHANEROZOIC MARINE NITROGEN CYCLE
T216 Deciphering Paleozoic Paleoenvironmental Changes Using Stable and Radiogenic Isotope ProxiesTuesday, 2 November 20101:30 PM - 5:30 PMRoom 607
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DO URANIUM ISOTOPES OF EPICONTINENTAL BLACK SHALES REFLECT GLOBAL OCEANIC CONDITIONS?
T191 Deciphering Paleozoic Paleoenvironmental Changes Using Stable and Radiogenic Isotope Proxies (Posters)Tuesday, 2 November 20108:00 AM - 6:00 PMHall D
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ANOMALIES IN ORGANIC CARBON CONCENTRATIONS AND ACCUMULATION RATES DURING THE PERMIAN-TRIASSIC BOUNDARY CRISIS: IMPLICATIONS FOR SEDIMENT FLUX AND MARINE PRODUCTIVITY CHANGES
T21 New Developments in Permian-Triassic PaleoceanographySunday, 31 October 20108:00 AM - 12:00 PMRoom 607
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EVOLUTION OF THE PRIMARY PRODUCTIVITY ACROSS DEEP WATER PTB IN SOUTH CHINA
T21 New Developments in Permian-Triassic PaleoceanographySunday, 31 October 20108:00 AM - 12:00 PMRoom 607
2009
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PERMIAN/TRIASSIC BOUNDARY CLAY BEDS IN SOUTH CHINA—RELATED TO THE EMEISHAN LARGE IGNEOUS PROVINCE?
T133 Volcanism, Impacts, Mass Extinctions, and Global Environmental Change IIMonday, 19 October 20091:30 PM - 5:30 PMPortland Ballroom 253
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ICEHOUSE-GREENHOUSE CLIMATE IMPACTS ON THE PHANEROZOIC MARINE NITROGEN CYCLE
99 Recent Advances in Paleoceanography and Paleoclimatology (Posters)Monday, 19 October 20099:00 AM - 6:00 PMHall A
2007
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SEQUENCE STRATIGRAPHIC CONTROL ON THE MOLYBDENUM ISOTOPE RECORD OF THE HUSHPUCKNEY SHALE: IMPLICATIONS FOR REGIONAL PALEOCEANOGRAPHIC CONDITIONS
28 Sequence Stratigraphy and Biostratigraphy of Pennsylvanian-Lower Permian Cyclothems in the North American Midcontinent IIThursday, 12 April 20071:40 PM - 5:00 PM
2006
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ELEMENTAL PROXIES FOR HYDROGRAPHIC CONDITIONS IN RESTRICTED MARINE SYSTEMS
T198 Epi-continental Seas in the Geological Record: The Limitations of the Uniformitarian Paradigm IWednesday, 25 October 20068:00 AM - 12:00 PM
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MOLYBDENUM ISOTOPE RECORD OF THE HUSHPUCKNEY SHALE (MISSOURIAN STAGE, EASTERN KANSAS): IMPLICATIONS FOR REGIONAL AND GLOBAL ANOXIA
T198 Epi-continental Seas in the Geological Record: The Limitations of the Uniformitarian Paradigm IWednesday, 25 October 20068:00 AM - 12:00 PM
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THE PERMIAN-TRIASSIC BOUNDARY AT NHI TAO, VIETNAM: EVIDENCE FOR RECURRENT INFLUX OF SULFIDIC WATERMASSES TO A SHALLOW-MARINE CARBONATE PLATFORM
T137 Mass Extinctions: New Approaches Analyzing Process Links Between Land and SeaTuesday, 24 October 20068:00 AM - 12:00 PM
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MILANKOVITCH CYCLICITY IN THE OHIO AND SUNBURY SHALES: ASTRONOMICAL CALIBRATION OF THE LATE DEVONIAN-EARLY CARBONIFEROUS TIMESCALE
T106 Devonian–Early Carboniferous Climate Change: Glacial Deposits and Proxy RecordsMonday, 23 October 20061:30 PM - 5:30 PM
2005
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KEYNOTE: MO-TOC COVARIATION IN MODERN ANOXIC MARINE ENVIRONMENTS: IMPLICATIONS FOR ANALYSIS OF PALEOREDOX AND -HYDROGRAPHIC CONDITIONS
41 Marine Anoxia over Geologic Time—Where, When, Why, and Cause and Effect Relationships to the Evolving Biosphere IIWednesday, 10 August 20051:30 PM - 4:30 PM
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ESTIMATING THE RESIDENCE TIME OF EPEIRIC SEA WATERMASSES FROM SEDIMENTARY ELEMENTAL PROXIES
7 Influence of Epeiric Sea Dynamics on the Interpretation of Isotope Secular Curves IIMonday, 8 August 20051:30 PM - 4:30 PM
2004
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CAN MARINE ANOXIC EVENTS DRAW DOWN THE TRACE-ELEMENT INVENTORY OF SEAWATER?
T205 Ocean Chemistry through the Precambrian and Paleozoic IWednesday, 10 November 20048:00 AM - 12:00 PM
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CYCLOTHEMIC OFFSHORE “CORE” SHALES AS RECORDS OF CLIMATE DYNAMICS AND INTERGLACIAL DURATIONS OF THE PERMO-CARBONIFEROUS ICE AGE
3 Paleoclimatology/Paleoceanography ISunday, 7 November 20048:00 AM - 12:00 PM
2003
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THE ROLE OF SOILS AS AN INTERFACE BETWEEN TERRESTRIAL AND MARINE ECOSYSTEMS: THE MIDDLE TO LATE DEVONIAN
T177 Evolutionary and Ecological Links Between Terrestrial and Marine Ecosystems in the PhanerozoicTuesday, 4 November 20031:30 PM - 5:30 PM
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THE LATE DEVONIAN MARINE P CYCLE AND THE ORIGIN OF WIDESPREAD BLACK SHALES: ENHANCED RATES OF UPWELLING OR CHEMICAL WEATHERING?
T72 Understanding Late Devonian and Permian-Triassic Biotic and Climatic Events: Towards an Integrated Approach IMonday, 3 November 20038:00 AM - 12:00 PM
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TRACE ELEMENT BEHAVIOR AND REDOX FACIES IN CORE SHALES OF UPPER PENNSYLVANIAN KANSAS-TYPE CYCLOTHEMS
T19 Revisiting the Biogeochemistry of Black Shales and Oxygen-Deficient Marine EnvironmentsSunday, 2 November 20038:00 AM - 12:00 PM
2002
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ESTIMATING PALEO-BOTTOMWATER DEGREE-OF-ANOXIA (DOA) USING FAUNAL, ICHNOFABRIC, AND GEOCHEMICAL DATA: EXAMPLES FROM CORE SHALES OF UPPER PENNSYLVANIAN CYCLOTHEMS OF THE EASTERN MIDCONTINENT SHELF (KANSAS), U.S.A
T193 Chemostratigraphy: An Emphasis on Metal-Rich Black Shale DepositsWednesday, 30 October 20028:00 AM - 12:00 PM
Date Unknown
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CLIMATO-ENVIRONMENTAL DYNAMICS OF THE LATE PENNSYLVANIAN MIDCONTINENT SEAWAY: IMPLICATIONS FROM HIGH-RESOLUTION GEOCHEMICAL AND SEQUENCE STRATIGRAPHIC ANALYSIS OF CORE SHALES
T162 Revisiting the Biogeochemistry of Black Shales and Oxygen-Deficient Marine Environments (Posters)