R. Mark Leckie
University of Massachusetts Amherst, Amherst, MA
Activity
2025
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TYPE SECTION OF THE MANCOS SHALE REVISITED, MESA VERDE NATIONAL PARK, COLORADO
21 The Upper Cretaceous Mancos Group on the Colorado PlateauTuesday, 20 May 20258:00 AM - 9:45 AMCascade E
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ORGANIC MATTER PRODUCTION AND PRESERVATION DURING T-R CYCLES OF THE SMOKY HILL MBR. (MIDDLE CONIACIAN-MIDDLE SANTONIAN), MANCOS SHALE, CRETACEOUS WESTERN INTERIOR SEAWAY
21 The Upper Cretaceous Mancos Group on the Colorado PlateauTuesday, 20 May 20258:00 AM - 9:45 AMCascade E
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A NERITIC RECORD OF OCEANIC ANOXIC EVENT 2 FROM COASTAL UTAH: NEW INSIGHTS INTO U.S. WESTERN INTERIOR SEAWAY PALEOCEANOGRAPHY AND FORAMINIFERAL PALEOECOLOGY
5 The Upper Cretaceous Mancos Group on the Colorado Plateau (Posters)Monday, 19 May 20258:00 AM - 5:30 PMBallroom A&B
2024
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RECALIBRATION OF PLANKTIC FORAMINIFERAL BIOZONE P0 WITH 3He DATA IMPLIES LIGHTNING-FAST SPECIATION AFTER THE K/PG BOUNDARY
T89 The Cretaceous-Paleogene (K-Pg) Boundary Interval: From Large-scale Geological Events to Mass Extinction MechanismsMonday, 23 September 20248:00 AM - 12:00 PM204C
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RECONSTRUCTION OF TERRESTRIAL AND MARINE CLIMATE FROM SOUTHERN GREENLAND DURING THE PLEISTOCENE
32 Improvements to our Understanding of Past Climate and Environments through the Development of Proxies, the Generation of New Biomarker Records, and the Interpretation of Sedimentary Archives (Posters)Monday, 18 March 20241:30 PM - 5:30 PMArmory Ballroom
2023
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FORAMINIFERAL ASSEMBLAGES REVEAL MULTIPLE SUPER-INTERGLACIALS DURING THE MID-PLEISTOCENE TRANSITION, ROSS SEA, ANTARCTICA
T237 Insights from Microfossils and Their Modern Analogs: From Traditional and Emerging Approaches, to Critical Re-Evaluations (Posters)Wednesday, 18 October 20238:00 AM - 5:30 PMHall B
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MIOCENE FORAMINIFERA FROM IODP SITE 374-U1521: A CENTRAL ROSS SEA RECORD OF THE MCO AND MMCT
T194 Cushman Foundation Symposium: In Pursuit of Understanding the Distribution of Benthic Foraminifera: Honoring the Career of Martin A. BuzasTuesday, 17 October 20231:30 PM - 5:30 PM321
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A NERITIC RECORD OF OCEANIC ANOXIC EVENT 2 FROM COASTAL UTAH: NEW INSIGHTS INTO U.S. WESTERN INTERIOR SEAWAY PALEOCEANOGRAPHY AND FORAMINIFERAL PALEOECOLOGY
T8 Evolution of the Western Interior Basin: New Advances and Fresh PerspectivesSunday, 15 October 20238:00 AM - 12:00 PM301 / 302
2022
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PALEOBIOGEOGRAPHIC ANALYSES OF NEOGENE PLANKTIC FORAMINIFERA REVEAL DISPERSAL STRATEGIES TO ACHIEVE BI-POLAR DISTRIBUTIONS
T190 Cushman Foundation Symposium: Latest Advances on Foraminiferal Research: From Paleo-Sea-Level Reconstructions and Paleoecological Interpretations to Applications to Environmental Science. A Tribute to the Extraordinary Lives of John Haynes, John Murray, and David ScottTuesday, 11 October 20221:30 PM - 5:30 PM406
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RE-EVALUATING WASS MASS INFLUENCE ON BENTHIC FORAMINIFERA
T118 Insights from Microfossils and Their Modern Analogs: From Traditional and Emerging Approaches to Critical Re-EvaluationsMonday, 10 October 20221:30 PM - 5:30 PM506
2021
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WHERE SOUTH MEETS NORTH: A PALEOCEANOGRAPHIC FRONT IN THE WESTERN INTERIOR SEAWAY DURING OCEANIC ANOXIC EVENT 2
T174 Foraminiferal Signals of Major Events in Mesozoic–Cenozoic Earth HistoryTuesday, 12 October 20211:30 PM - 5:30 PMPortland Ballroom 254 (Hybrid Room)
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WARM WATER INCURSIONS ONTO THE ROSS SEA SHELF OF ANTARCTICA DURING THE PLIO-PLEISTOCENE BASED ON FORAMINIFERA FROM IODP SITES U1523, U1522, AND U1521
5 Reconstructing Ancient Environmental ConditionsThursday, 1 April 20218:00 AM - 12:00 PMAuburn University Geosciences Room
2017
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DIVERSITY AND PALEOECOLOGY OF GULF COASTAL PLAIN FORAMINIFERA PRIOR TO THE END-CRETACEOUS MASS EXTINCTION
T302 Insights from Microfossils, from Traditional to Novel ApproachesWednesday, 25 October 20178:00 AM - 12:00 PMRoom 609
2016
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INITIAL RESULTS FROM THE STEM STUDENT EXPERIENCES ABOARD SHIPS (STEMSEAS) PROGRAM
T187 Supporting Geoscience Student Transfer Between Institutions and Transitions into the Workforce: Pathways for Success IITuesday, 27 September 20168:00 AM - 12:00 PMMile High Ballroom 4EF
2015
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OCEANOGRAPHIC CHANGES ACROSS THE OLIGOCENE/MIOCENE BOUNDARY (MI1 EVENT): ODP SITE 744, SOUTHERN KERGUELEN PLATEAU
T277 Fresh Perspectives on Critical Transitions in Earth History: Insights from Novel Tools or New SuccessionsWednesday, 4 November 20158:00 AM - 12:00 PMRoom 319/320
2014
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SOUTH ATLANTIC PALEOCENE-EOCENE BENTHIC FORAMINIFERAL TAXONOMY
T140 Timing, Tempo, and Mode of Evolutionary and Paleoenvironmental Changes across Boundary Events and Transitions: The Protistan Evidence (Posters)Monday, 20 October 20149:00 AM - 6:30 PMExhibition Hall C
2012
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THE ESSENTIAL ROLE OF PLANKTONIC FORAMINIFERA FOR IMPROVING CRETACEOUS CHRONOSTRATIGRAPHY
T129 Advances in Foraminiferal Biostratigraphy, Chemostratigraphy, and PaleoecologyMonday, 5 November 20121:30 PM - 5:30 PM217BC
2004
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CHRONOS NETWORK FOR EARTH SYSTEM HISTORY: INTEGRATED DATABASES AND TOOLKITS ACCESSIBLE THROUGH A COMMON PORTAL - WWW.CHRONOS.ORG
20 Building the Global Geologic Time Scale ITuesday, 4 May 20047:50 AM - 12:00 PM
Date Unknown
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SCHOOL OF ROCK PROFESSIONAL DEVELOPMENT PROGRAM: THE SYNERGY OF SCIENTIFIC OCEAN DRILLING RESEARCH AND EDUCATION
T148 Professional Development for the Professional Developers: Aspects of Effective Teacher Professional Development Programs in the Earth Sciences (Posters)
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THE TAXONOMY AND BIOSTRATIGRAPHY OF CENOMANIAN AND TURONIAN (LATE CRETACEOUS) OSTRACODA FROM THE WESTERN INTERIOR BASIN, SOUTHWEST UTAH, USA
160 Paleontology (Posters) II