Greg A. Ludvigson
University of Kansas, Lawrence, KS
Activity
2025
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RECOGNITION OF THE UPPER ALBIAN OAE 1C CHEMOZONE (AMADEUS EVENT) IN TERRESTRIAL SEDIMENTS OF THE NORTH AMERICAN WESTERN INTERIOR BASIN
1 Time of Transition: Cretaceous Climate, Tectonics, and Evolutionary History IMonday, 19 May 20258:00 AM - 9:45 AMCascade E
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CONTINUING INVESTIGATION OF A HIGH-RESOLUTION DATE-CONSTRAINED RECORD OF THE VALANGINIAN CARBON ISOTOPE EXCURSION OR "WEISSERT EVENT" IN TERRESTRIAL SEDIMENTS OF THE YELLOW CAT MEMBER IN UTAH, USA
1 Time of Transition: Cretaceous Climate, Tectonics, and Evolutionary History IMonday, 19 May 20258:00 AM - 9:45 AMCascade E
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CHARACTERIZING AN “ENHANCED HYDROLOGIC CYCLE” FROM CRETACEOUS MEXICO USING CLUMPED AND TRIPLE OXYGEN ISOTOPES OF MARGINAL MARINE CARBONATES
13 Time of Transition: Cretaceous Climate, Tectonics, and Evolutionary History IIMonday, 19 May 20251:30 PM - 3:15 PMCascade E
2024
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ASSESSING DEPOSITION AGE OF DAKOTA FM. PALEOSOLS IN SE NEBRASKA THROUGH DETRITAL ZIRCON U-Pb DATING
16 Undergraduate and Graduate Geoscience Student Showcase (Posters)Monday, 22 April 20248:00 AM - 5:30 PMGrand Ballroom, Oasis CC
2022
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A NEW FRONTIER IN DEEP-TIME PALEOCLIMATOLOGY REGARDING THE GEOCHRONOLOGY OF PALEOSOLS: A TRIBUTE TO THE CAREER OF STEVEN DRIESE
T145 Soils and Paleosols across Space and Time I: A Celebration of Steven G. DrieseTuesday, 11 October 20228:00 AM - 12:00 PM207
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VALANGINIAN CARBON-ISOTOPE EXCURSION IDENTIFIED AND DATED IN PALEOSOL-BEARING YELLOW CAT MEMBER, CEDAR MOUNTAIN FORMATION, EASTERN UTAH, USA
T183 Soils and Paleosols across Space and Time II: A Celebration of Steven G. DrieseTuesday, 11 October 20221:30 PM - 5:30 PM207
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THE PARADOX OF HYDROGEN AND OXYGEN ISOTOPIC COMPOSITIONS OF CRETACEOUS ARCTIC PALEOPRECIPITATION
T96 New Perspectives for Reconstructing Past Arctic Environments: Climate, Ecosystems, and Depositional Systems (Posters)Monday, 10 October 20229:00 AM - 1:00 PMExhibit Hall F
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EXPLORING THE DEUTERIUM EXCESS OF ARCTIC PALEOPRECIPITATION USING STABLE ISOTOPE COMPOSITION OF PEDOGENIC PHYLLOSILICATES FROM THE PRINCE CREEK FORMATION (MAASTRICHTIAN) IN NORTHERN ALASKA
T96 New Perspectives for Reconstructing Past Arctic Environments: Climate, Ecosystems, and Depositional Systems (Posters)Monday, 10 October 20229:00 AM - 1:00 PMExhibit Hall F
2021
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COMBINED CA-ID-TIMS AND CARBON ISOTOPE CHEMOSTRATIGRAPHY TO CORRELATE CRETACEOUS CONTINENTAL STRATA OF THE RUBY RANCH MEMBER OF THE CEDAR MOUNTAIN FORMATION
T177 Correlation of Global Stages, Series, and Systems into North American Stratigraphic SuccessionsTuesday, 12 October 20211:30 PM - 5:30 PMA106
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CRYPTOTEPHRAS IN SILICICLASTIC MUDSTONE PALEOSOLS AND THE GEOCHRONOLOGIC CALIBRATION OF CRETACEOUS (APTIAN-ALBIAN) C-ISOTOPE STRATIGRAPHY
T73 Impacts of Volcanism on Global Climate and Oceans—Drivers of Mass Extinctions through the Phanerozoic IMonday, 11 October 20218:00 AM - 12:00 PMPortland Ballroom 255 (Hybrid Room)
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IMPROVING THE AGE CONSTRAINTS ON CRETACEOUS CARBON ISOTOPE EXCURSIONS: A COMBINED U-PB DATING APPROACH USING PALEOSOL CRYPTOTEPHRA AND PEDOGENIC CARBONATES
T73 Impacts of Volcanism on Global Climate and Oceans—Drivers of Mass Extinctions through the Phanerozoic IMonday, 11 October 20218:00 AM - 12:00 PMPortland Ballroom 255 (Hybrid Room)
2020
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USING FACTORS OF SOIL FORMATION TO INVESTIGATE STABLE CARBON ISOTOPE DISEQUILIBRIUM IN LATE PLEISTOCENE (MIS 3) BURIED SOILS OF THE CENTRAL GREAT PLAINS, USA
T146 Soils and Long-Term Environmental Change IIWednesday, 28 October 20201:30 PM - 5:30 PMMeeting Rooms
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VOLCANOGENIC ZIRCONS FROM MUDROCKS: A NEW TOOL FOR CHRONOSTRATIGRAPHY
16 Sedimentology, Geochemistry, Chemostratigraphy, and Geomechanics of Mudrock SystemsMonday, 9 March 20201:30 PM - 5:30 PMMeeting Room 202CD
2019
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CHEMOSTRATIGRAPHIC PROFILES OF THE CRETACEOUS OAE 1D, MID-CENOMANIAN EVENT, AND OAE2 FROM LONG-LINE DRILLCORES, CRATONIC MARGIN OF THE NORTH AMERICAN WESTERN INTERIOR BASIN
T169 Chemostratigraphy: Physical and Temporal ApplicationsTuesday, 24 September 20198:00 AM - 12:00 PMRoom 224B, North Building
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POTENTIAL GEOMORPHIC INDICATORS OF STRUCTURAL DEFORMATION FROM LIDAR AND HIGH RESOLUTION IMAGERY IN EAST-CENTRAL KANSAS
40 D5. Structural Geology (Posters)Wednesday, 27 March 20198:30 AM - 11:45 AMBig Basin/Kaw Nation Rooms
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EXPRESSION OF THE MIDDLE CENOMANIAN EVENT ALONG THE CRATONIC MARGIN OF THE CRETACEOUS WESTERN INTERIOR SEAWAY (WIS)
29 Midcontinent PaleoclimatologyTuesday, 26 March 20191:30 PM - 5:45 PMKings Room
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PALEOHYDROLOGIC EVALUATIONS OF CENOZOIC CALCRETES FROM THE HIGH PLAINS OF WESTERN KANSAS
15 The Low Down on the High Plains: Geologic and Hydrogeologic Studies of the High Plains AquiferTuesday, 26 March 20198:00 AM - 12:00 PMFlint Hills Room
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ADDRESSING THE PROXY DATA-MODEL MISFIT REGARDING LOW OXYGEN ISOTOPIC VALUES OF CRETACEOUS ARCTIC PALEOPRECIPITATION: NEW DATA FROM THE BASTION RIDGE FORMATION, SVERDRUP BASIN OF NORTHERN CANADA
29 Midcontinent PaleoclimatologyTuesday, 26 March 20191:30 PM - 5:45 PMKings Room
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STABLE ISOTOPE PALEOHYDROLOGY OF THE LOWER CRETACEOUS (APTIAN) POISON STRIP SANDSTONE MEMBER OF THE CEDAR MOUNTAIN FORMATION, EASTERN UTAH
29 Midcontinent PaleoclimatologyTuesday, 26 March 20191:30 PM - 5:45 PMKings Room
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IMPROVING CHRONOSTRATIGRAPHY OF CONTINENTAL DEPOSITS WITH INTEGRATED GEOCHRONOLOGY AND GEOCHEMISTRY: CASE STUDIES ON THE MID-CONTINENT US HIGH PLAINS
15 The Low Down on the High Plains: Geologic and Hydrogeologic Studies of the High Plains AquiferTuesday, 26 March 20198:00 AM - 12:00 PMFlint Hills Room
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NEW APPROACH TO U-PB ZIRCON DATING AND CARBON ISOTOPE GEOCHEMISTRY OF PALEOSOLS IN THE MIOCENE OGALLALA GROUP, NORTH-CENTRAL NEBRASKA, USA
15 The Low Down on the High Plains: Geologic and Hydrogeologic Studies of the High Plains AquiferTuesday, 26 March 20198:00 AM - 12:00 PMFlint Hills Room
2018
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MAPPING POTENTIAL SURFACE EXPRESSIONS OF STRUCTURAL FEATURES FROM LIDAR AND HIGH RESOLUTION IMAGERY IN EAST-CENTRAL KANSAS
195 D60. Structural Geology (Posters)Tuesday, 6 November 20189:00 AM - 6:30 PMHalls J-K
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SCIENTIFIC INVESTIGATIONS ON CRETACEOUS (ALBIAN-TURONIAN) STRATA FROM THE ROSE CREEK ESCARPMENT (RCE) ALONG THE NEBRASKA-KANSAS BORDER, CRATONIC MARGIN OF THE WESTERN INTERIOR BASIN
26 Geoscience in the Southeastern South Dakota, Southwestern Minnesota, Northeastern Nebraska, and Northwestern Iowa AreaTuesday, 17 April 20188:00 AM - 12:00 PMRoom 230/240
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HIGH LATITUDE METEORIC OXYGEN ISOTOPE COMPOSITIONS FROM THE CENOMANIAN LOWER KANGUK FORMATION, AXEL HEIBERG ISLAND, CANADIAN ARCTIC ARCHIPELAGO
1 Climate Reconstructions from Cave DepositsMonday, 16 April 20188:00 AM - 12:00 PMBenton Auditorium
2017
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QUANTIFYING CLIMATE CHANGE OVER THE EARLY CRETACEOUS RUBY RANCH MEMBER OF THE CEDAR MOUNTAIN FORMATION, EAST-CENTRAL UTAH
87 D23. Sediments, Clastic (Posters)Sunday, 22 October 20179:00 AM - 5:30 PMHalls 4EF
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SCIENTIFIC DRILLING IN CENOZOIC STRATA OF THE CENTRAL HIGH PLAINS AQUIFER: A DEVELOPING U-PB ZIRCON CHRONOSTRATIGRAPHY IN WESTERN KANSAS
12 Recent Advances in Geoscience ResearchMonday, 13 March 20171:30 PM - 5:30 PMGrand Ballroom G
2016
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EXPLORING THE FRONTIER OF TERRESTRIAL APTIAN-ALBIAN (CRETACEOUS) C-ISOTOPE STRATIGRAPHY AND PALEOCLIMATOLOGY: A TRIBUTE TO THE SCIENTIFIC CAREER OF MICHAEL A. ARTHUR
T145 Sedimentary, Paleobiologic, and Geochemical Studies of Deep Time Ocean-Climate Perturbations II: Honoring the Scientific Contributions of Michael A. ArthurMonday, 26 September 20161:30 PM - 5:30 PMRoom 402
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STABLE ISOTOPIC PALEOHYDROLOGY OF PEDOGENIC CARBONATE NODULES FROM PLIOCENE PALEOSOLS IN THE MEADE BASIN, SOUTHWESTERN KANSAS
T24 Cenozoic Geology of the Great Plains and Western United States: Toward an Integrated Understanding of a Sedimentary, Paleoecologic, and Geohydrologic SystemSunday, 25 September 20168:00 AM - 12:00 PMRoom 402
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MAXIMUM DEPOSITIONAL AGE CONSTRAINTS AND PROVENANCE OF CENOZOIC DEPOSITS OF THE CENTRAL HIGH PLAINS IN WESTERN KANSAS, USA
T24 Cenozoic Geology of the Great Plains and Western United States: Toward an Integrated Understanding of a Sedimentary, Paleoecologic, and Geohydrologic SystemSunday, 25 September 20168:00 AM - 12:00 PMRoom 402
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THE EMERGING DEEPER UNDERSTANDING OF CENOZOIC STRATIGRAPHY IN NEBRASKA AND THE POWER OF INTERSTATE COOPERATION
T24 Cenozoic Geology of the Great Plains and Western United States: Toward an Integrated Understanding of a Sedimentary, Paleoecologic, and Geohydrologic SystemSunday, 25 September 20168:00 AM - 12:00 PMRoom 402
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TRACE ELEMENT FINGERPRINTING OF YELLOWSTONE HOTSPOT TRACK (YHT) MAJOR ERUPTIONS IN VOLCANIC ASHES FROM HIGH PLAINS STRATA IN KANSAS
T83 Cenozoic Geology of the Great Plains and Western United States: Toward an Integrated Understanding of a Sedimentary, Paleoecologic, and Geohydrologic System (Posters)Sunday, 25 September 20169:00 AM - 5:30 PMExhibit Hall E/F
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CHRONOSTRATIGRAPHY OF THE OGALLALA FORMATION IN WESTERN KANSAS: A NEW APPROACH USING PALEOSOLS
T83 Cenozoic Geology of the Great Plains and Western United States: Toward an Integrated Understanding of a Sedimentary, Paleoecologic, and Geohydrologic System (Posters)Sunday, 25 September 20169:00 AM - 5:30 PMExhibit Hall E/F
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SPATIAL AND TEMPORAL PATTERNS OF OGALLALA FORMATION DEPOSITION REVEALED BY U-PB ZIRCON GEOCHRONOLOGY
T24 Cenozoic Geology of the Great Plains and Western United States: Toward an Integrated Understanding of a Sedimentary, Paleoecologic, and Geohydrologic SystemSunday, 25 September 20168:00 AM - 12:00 PMRoom 402
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UNDERSTANDING THE ROLE OF GEOLOGY ON RECHARGE TO AND PRODUCTION FROM THE HIGH PLAINS AQUIFER IN KANSAS
T24 Cenozoic Geology of the Great Plains and Western United States: Toward an Integrated Understanding of a Sedimentary, Paleoecologic, and Geohydrologic SystemSunday, 25 September 20168:00 AM - 12:00 PMRoom 402
2015
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MAXIMUM DEPOSITIONAL AGE CONSTRAINTS FROM U-PB DATING OF ZIRCONS IN CENOZOIC DEPOSITS OF THE HIGH PLAINS AQUIFER, SOUTHWESTERN KANSAS
317 Stratigraphy (Posters)Wednesday, 4 November 20159:00 AM - 6:30 PMExhibit Hall
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CHRONOSTRATIGRAPHIC ASSESSMENT OF ENIGMATIC REDBEDS AT POINT OF ROCKS, CIMARRON NATIONAL GRASSLAND, KANSAS: U-PB AGE CONSTRAINTS FROM DETRITAL ZIRCONS
317 Stratigraphy (Posters)Wednesday, 4 November 20159:00 AM - 6:30 PMExhibit Hall
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DEPOSITIONAL BUILD-AND-FILL WITHIN THE ZARAH SUBGROUP (UPPER PENNSYLVANIAN, MISSOURIAN STAGE) OF MIAMI COUNTY, KANSAS: INTEGRATED LITHOSTRATIGRAPHY, BIOSTRATIGRAPHY, δ13CCARB CHEMOSTRATIGRAPHY, AND GEOPHYSICAL WELL-LOG DATA
T256 Sedimentary Basins IITuesday, 3 November 20151:30 PM - 5:30 PMRoom 343
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CHRONOSTRATIGRAPHIC INTERPRETATIONS OF CENOZOIC PALEOSOLS IN NEBRASKA USING INTEGRATED U-PB DATING AND CARBON ISOTOPE CHEMOSTRATIGRAPHY
T232 Paleosol Case Studies: Resurrecting Ancient Critical Zones through Space and Time (Posters)Tuesday, 3 November 20159:00 AM - 6:30 PMExhibit Hall
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MAJOR ELEMENT AND ISOTOPE GEOCHEMISTRY FROM LATE QUATERNARY PALEOSOLS IN SOUTHWESTERN KANSAS: ASSESSING CLIMATE AND PARENT MATERIAL CHANGE
T232 Paleosol Case Studies: Resurrecting Ancient Critical Zones through Space and Time (Posters)Tuesday, 3 November 20159:00 AM - 6:30 PMExhibit Hall
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A NEW APPROACH TO DATE PALEOSOLS IN TERRESTRIAL STRATA: A CASE STUDY USING U-PB ZIRCON AGES FOR THE YELLOW CAT MEMBER OF THE CEDAR MOUNTAIN FORMATION OF EASTERN UTAH
T232 Paleosol Case Studies: Resurrecting Ancient Critical Zones through Space and Time (Posters)Tuesday, 3 November 20159:00 AM - 6:30 PMExhibit Hall
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PALEOSOLS AND VOLCANIC ASHES AS MARKER BEDS IN THE OGALLALA FORMATION, WESTERN KANSAS
T232 Paleosol Case Studies: Resurrecting Ancient Critical Zones through Space and Time (Posters)Tuesday, 3 November 20159:00 AM - 6:30 PMExhibit Hall
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TERRESTRIAL CARBONATE RECORDS OF CRETACEOUS (APTIAN-ALBIAN) CARBON ISOTOPE EXCURSIONS FROM DEPOSITS IN NORTH AMERICA AND CHINA
T53 Bridging Two Continents: Mid-Latitude Climate during Cretaceous Greenhouse States: Comparison between East Asia and North AmericaSunday, 1 November 20151:30 PM - 5:30 PMRoom 347/348
2014
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HIGH-RESOLUTION MISSOURIAN (UPPER PENNSYLVANIAN) STRATIGRAPHY OF MIAMI COUNTY, KANSAS: INTEGRATED LITHOSTRATIGRAPHY, BIOSTRATIGRAPHY, AND δ13CCARB CHEMOSTRATIGRAPHY
T346 New Advances and Applications in Sequence StratigraphyWednesday, 22 October 20141:00 PM - 5:00 PM207
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CHRONOSTRATIGRAPHIC INVESTIGATIONS OF CENOZOIC UNITS IN THE NIOBRARA RIVER BASIN IN BOYD COUNTY, NORTHERN NEBRASKA
21 Cenozoic Stratigraphy of the Great PlainsFriday, 25 April 20141:30 PM - 5:00 PMArbor 2
2013
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IMPLICATIONS OF δ 18O AND δ2H STABLE ISOTOPES FOR RECHARGE TO THE HIGH PLAINS AQUIFER, NORTHWESTERN KANSAS
T134 Streams and Aquifers: Integrating the Physical and Chemical (Posters)Monday, 28 October 20139:00 AM - 6:30 PMHall D
2012
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LIMESTONE AGGREGATE RESOURCES IN NORTHEAST KANSAS: INTEGRATED LITHOSTRATIGRAPHY, STABLE ISOTOPE CHEMOSTRATIGRAPHY, AND CATHODOLUMINESCENCE AS A TOOL TO EVALUATE CURRENT AND POTENTIAL AGGREGATE RESOURCES IN MIAMI COUNTY, KANSAS
T41 The Next Generation—Sedimentary Geology Student Poster Session (Posters)Sunday, 4 November 20129:00 AM - 6:30 PMHall B
2007
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SIDERITE SPHERULES AND CEMENTS AS PROXIES FOR PALEOGROUNDWATER EVOLUTION AND PALAEOCLIMATIC CHANGES: A COMPARISON OF APPLES AND ORANGES?
111 Paleoclimatology/Paleoceanography (Posters)Monday, 29 October 20071:30 PM - 5:30 PM