Joyce Ann Yager
University of Southern California, Los Angeles, CA
Activity
2021
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NEW 87SR/86SR DATA FROM THE MARINE CARBONATE DEPOSITS OF THE PUCARÁ GROUP, PERU DURING THE TRIASSIC-JURASSIC TRANSITION
T122 New Perspectives on Phanerozoic Mass Extinctions and Environmental Perturbations (Posters)Monday, 11 October 20212:30 PM - 6:30 PMExhibit Hall A
2019
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THE RECORD OF ENVIRONMENTAL CHANGE IN NORTHEASTERN PANTHALASSA DIRECTLY PRECEDING THE END-TRIASSIC MASS EXTINCTION EVENT
T247 Volcanism, Impacts, and Phanerozoic Mass Extinctions: Discovering a Common Cause and Planning for the 6th Mass Extinction IWednesday, 25 September 20198:00 AM - 12:00 PMRoom 227ABC, North Building
2018
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EARTH-LIFE TRANSITIONS WITHIN A CHRONOLOGIC FRAMEWORK: BIOGEOCHEMICAL CHANGE ASSOCIATED WITH THE END-TRIASSIC EXTINCTION FROM THE LEVANTO SECTION (NORTHERN PERU)
T235 Earth-Life Transitions: Critical Information from Deep Time to Manage Future Environmental ChangeWednesday, 7 November 20188:00 AM - 12:00 PMRoom 143-144
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VARIABLE LIQUID DECARBONATION METHODS FOR Δ13CORG ANALYSES IN SEDIMENTARY SECTIONS AND ON MODERN SOILS AND RIVER SEDIMENTS
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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HG ISOTOPES AS TRACERS OF DEPOSITIONAL ENVIRONMENTS IN MARINE SEDIMENTS FROM THE PRECAMBRIAN TO THE PHANEROZOIC
T331 Mercury in the Geologic RecordWednesday, 25 October 20171:30 PM - 5:30 PMRoom 607
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TESTING LIQUID DECARBONATION TEMPERATURE AND TIME FOR δ13CORG ANALYSES IN SEDIMENTARY SECTIONS
272 D17. Paleontology, Paleoecology/Taphonomy (Posters)Tuesday, 24 October 20179:00 AM - 6:30 PMHalls 4EF
2016
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SHIFTING BIOGEOCHEMICAL DYNAMICS DURING THE LATE TRIASSIC AND EARLY JURASSIC: INSIGHT FROM STABLE CARBON AND NITROGEN RECORDS
T115 Sedimentary, Paleobiologic, and Geochemical Studies of Deep Time Ocean-Climate Perturbations I: Honoring the Scientific Contributions of Michael A. ArthurMonday, 26 September 20168:00 AM - 12:00 PMRoom 402
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METHANOTROPHY IN 2.7 GA SOUTH AFRICAN LAKES
162 Paleontology, Paleoecology/Taphonomy (Posters)Monday, 26 September 20169:00 AM - 6:30 PMExhibit Hall E/F
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HIGH-RESOLUTION PETROGRAPHIC AND CARBON ISOTOPE ANALYSES OF THE END-TRIASSIC MASS EXTINCTION HORIZON, LOWERMOST MULLER CANYON MEMBER (GABBS FORMATION), FERGUSON HILL, NEVADA
76 Paleontology, Diversity, Extinction, Origination (Posters)Sunday, 25 September 20169:00 AM - 5:30 PMExhibit Hall E/F
2015
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TIMING OF CARBON ISOTOPE EXCURSIONS DURING THE LATE TRIASSIC AND EARLY JURASSIC: NEW MODELING CONSTRAINTS FOR CARBON CYCLE PERTURBATIONS ASSOCIATED WITH THE EMPLACEMENT OF THE CENTRAL ATLANTIC MAGMATIC PROVINCE
T19 Mass Extinction Causality: Records of Anoxia, Acidification, and Global Warming during Earth's Greatest Crises ISunday, 1 November 20158:00 AM - 12:00 PMRoom 310
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MERCURY CONCENTRATIONS AND ISOTOPES AS TRACERS OF CAMP IN TRIASSIC-JURASSIC STRATA FROM MULLER CANYON, NEVADA
T19 Mass Extinction Causality: Records of Anoxia, Acidification, and Global Warming during Earth's Greatest Crises ISunday, 1 November 20158:00 AM - 12:00 PMRoom 310
2014
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HIGH RESOLUTION PALEOECOLOGY AND GEOCHEMISTRY ACROSS THE TRIASSIC/JURASSIC MASS EXTINCTION INTERVAL AND THE IMPORTANCE OF BIOSILICEOUS “GLASS RAMPS”
T160 Critical Earth-Life Transitions: The Marine PerspectiveMonday, 20 October 20141:00 PM - 5:00 PM114/115
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BIOTURBATION AND THE END-TRIASSIC MASS EXTINCTION AT NEW YORK CANYON, NEVADA
T54 Major Evolutionary Events of the Early Mesozoic— Paleontology and Paleoecology from the Middle Triassic to the Late Jurassic (Posters)Sunday, 19 October 20149:00 AM - 5:00 PMExhibition Hall C
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ECOLOGICAL GRADIENT STRUCTURE IN THE MISSISSIPPIAN LODGEPOLE FORMATION, SOUTHWEST MONTANA
31 Paleontology: Topics in Paleoecology (Posters)Sunday, 19 October 20149:00 AM - 5:00 PMExhibition Hall C