EP069
Global Geochemical Cycles and Earth's Climate over Geologic Time I eLightning

Thursday, 17 December 2020: 07:00-08:00
Virtual
Primary Convener:  Pierre Maffre, University of California Berkeley, Berkeley, CA, United States; University Of California, Berkeley, Berkeley, CA, United States
Conveners:  Daniel Enrique Ibarra, University of California, Berkeley, Earth and Planetary Sciences, Berkeley, CA, United States; Brown University, Earth, Environmental and Planetary Sciences, Providence, RI, United States and Kimberly V Lau, University of Wyoming, Geology and Geophysics, Laramie, WY, United States
Primary Liaison:  Pierre Maffre, University Of California, Berkeley, Berkeley, CA, United States; University of California Berkeley, Berkeley, CA, United States
Chairs:  Pierre Maffre1, Daniel Enrique Ibarra2 and Kimberly V Lau2, (1)University Of California, Berkeley, Berkeley, CA, United States(2)Stanford University, Stanford, CA, United States
OSPA Liaison:  Daniel Enrique Ibarra, Stanford University, Stanford, CA, United States
07:00
Welcoming Remarks
07:01
EP069-01
New Paleozoic atmospheric pCO2 records based on C3 land plants (Invited) (686513)
Ying Cui, Montclair State University, Earth and Environmental Studies, Montclair, NJ, United States, Yixin Dong, Chengdu University of Technology, Chengdu, China, Jiuyuan Wang, Northwestern University, Evanston, IL, United States, Shijun Jiang, Jinan University, Guangzhou, China and Yuyang Wu, China University of Geosciences, Wuhan, China
07:04
EP069-02
Testing the silicate weathering feedback over the Phanerozoic using climate and geochemical models (Invited) (665024)
Benjamin Mills, University of Leeds, School of Earth and Environment, Leeds, LS2, United Kingdom, Stephen J Hunter, University of Leeds, Leeds, LS2, United Kingdom, Andrew Merdith, University Claude Bernard Lyon 1, Laboratoire de Géologie, Villeurbanne, France, Andrew Davies, Halliburton, Oxford, United Kingdom and Alan M Haywood, University of Leeds, Leeds, United Kingdom
07:07
EP069-05
Mercury as a proxy for enhanced volcanism across the Palaeocene-Eocene Thermal Maximum (PETM) (676968)
Maxime Tremblin1, Hassan Khozyem2, Jorge Spangenberg3, Charlotte Fillon4, Arnaud Grauls5, Lasseur Eric6, Olivier Serrano6, Jean-Yves Roig6, Sylvain Calassou4, Francois Guillocheau7, Thierry Adatte8 and Sebastien Castelltort1, (1)University of Geneva, Department of Earth Sciences, Geneva, Switzerland, (2)Aswan University, Departement of Geology, Aswan, Egypt, (3)University of Lausanne, Institute of Earth Surface Dynamics, Lausanne, Switzerland, (4)TOTAL S.A, Centre Scientifique et Technique Jean Féger, Pau, France, (5)TEREGA, Department of Geosciences, Pau, France, (6)BRGM, French Geological Survey, Orléans, France, (7)Université de Rennes, Géosciences Rennes, Rennes, France, (8)University of Lausanne, Institute of Earth Sciences, Lausanne, Switzerland
07:10
EP069-06
Doubling of the surface carbon inventory across the PETM? (746018)
Mathis Hain, University of California Santa Cruz, Santa Cruz, CA, United States and Sandra Kirtland Turner, University of California Riverside, Department of Earth and Planetary Sciences, Riverside, CA, United States
07:13
EP069-07
Understanding global carbon cycle perturbations of early Paleogene using size-fraction-specific isotopic variations in open marine bulk carbonates (704372)
Joyeeta Bhattacharya1, Lin Cong2, Laurence Yeung3, Gerald R Dickens4 and Tao Sun3, (1)Rice University, Earth Science, Houston, TX, United States, (2)Northeast Petroleum University, College of Geosciences, Daqing, China, (3)Rice University, Houston, TX, United States, (4)Rice Univ, Houston, TX, United States
07:16
EP069-08
Evaluating Ophiolite Exhumation in New Guinea as a Trigger for Miocene to Present Global Climate Cooling (738021)
Peter Martin1, Rebecca Marie Flowers1 and Francis Macdonald2, (1)Univ of Colorado at Boulder, Department of Geological Sciences, Boulder, CO, United States, (2)University of California Santa Barbara, Santa Barbara, CA, United States
07:19
EP069-09
Constraints on Geologic Carbon Release at the End of the Last Ice Age From the Planetary Radiocarbon Budget (768308)
Ryan Green, University of California Santa Cruz, Santa Cruz, CA, United States, Mathis Hain, University of California Santa Cruz, Santa Cruz, United States and Patrick A Rafter, University of California, Irvine, Irvine, CA, United States
07:22
EP069-11
The Permian/Triassic Boundary in West-Texas (USA): What the Terrestrial World Was Like in Western Equatorial Pangea (761744)
John W Geissman, University of Texas at Dallas, Department of Geosciences, Richardson, TX, United States and Neil J Tabor, Southern Methodist University, Dallas, TX, United States
07:25
EP069-12
The Evolution of the Modern Silica Cycle Revisited (751239)
Sophie Westacott1, Noah Planavsky2, Mingyu Zhao2 and Pincelli M Hull3, (1)Yale University, Department of Geology & Geophysics, New Haven, CT, United States, (2)Yale University, New Haven, CT, United States, (3)Yale University, Department of Earth and Planetary Sciences, New Haven, CT, United States
07:28
Discussion
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