DI002
Mantle Evolution, Dynamics, Chemistry, and the Role of the Transition Zone II Posters

Monday, 7 December 2020: 04:00-20:59
Poster
Primary Convener:  Diogo José Louro Lourenço, University of California Berkeley, Department of Earth and Planetary Science, Berkeley, United States
Conveners:  Kiran Chotalia, University of Florida, Department of Geological Sciences, Ft Walton Beach, FL, United States, Catherine A McCammon, University of Bayreuth, Bayerisches Geoinstitut, Bayreuth, Germany and Lauren Waszek, Australian National University, Research School of Earth Sciences, Canberra, ACT, Australia; New Mexico State University Main Campus, Las Cruces, NM, United States
Primary Liaison:  Diogo José Louro Lourenço, University of California Berkeley, Department of Earth and Planetary Science, Berkeley, United States
Chairs:  Diogo José Louro Lourenço, ETH Swiss Federal Institute of Technology Zurich, Zurich, Switzerland, Kiran Chotalia, University of Florida, Department of Geological Sciences, Ft Walton Beach, FL, United States, Catherine A McCammon, University of Bayreuth, Bayerisches Geoinstitut, Bayreuth, Germany and Lauren Waszek, University of Cambridge, Department of Earth Sciences, Cambridge, United Kingdom
OSPA Liaison:  Catherine A McCammon, University of Bayreuth, Bayerisches Geoinstitut, Bayreuth, Germany
 
A machine learning geobarometer for diamond-hosted majoritic garnet inclusions (705129)
Andrew R Thomson, University College London, Department of Earth Sciences, London, United Kingdom, Simon C Kohn, University of Bristol, School of Earth Sciences, Bristol, United Kingdom, Anirudh Prabhu, Rensselaer Polytechnic Institute, Tetherless World Constellation, Troy, NY, United States and Michael J Walter, Carnegie Institution for Science, Geophysical Laboratory, Washington, DC, United States
 
Evolution of the crystal structure of hydrous wadsleyite at high pressure up to 33 GPa (754408)
Fei Wang1, Elizabeth Colette Thompson2, Dongzhou Zhang3, Jingui Xu3, Joseph R Smyth4 and Steven D Jacobsen1, (1)Northwestern University, Department of Earth and Planetary Sciences, Evanston, IL, United States, (2)Sewanee: The University of the South, Department of Earth and Environmental Systems, Sewanee, TN, United States, (3)University of Hawaii at Manoa, Hawaii Institute of Geophysics and Planetology, School of Ocean and Earth Science and Technology, Honolulu, HI, United States, (4)University of Colorado Boulder, Department of Geological Sciences, Boulder, CO, United States
 
Exploring the Origin of Pyroxenites using Spinel Compositions of Western Rift Ugandan Xenoliths (774853)
Wendy R Nelson1, Michael Dawson1, Philip M Piccoli2, Erica Pitcavage3 and Tanya Furman4, (1)Towson University, Towson, MD, United States, (2)University of Maryland College Park, College Park, MD, United States, (3)University of Houston, Department of Earth and Atmospheric Sciences,, Houston, PA, United States, (4)Pennsylvania State University, Department of Geosciences, University Park, PA, United States
 
Peridotites beneath the ophiolite: Petrology and chemistry of peridotite bodies located below the metamorphic sole of the Oman ophiolite (775167)
Main Tokinaga, University of Hokkaido, Hokkaido, Japan, Marie Python, Hokkaido University, Sapporo, Japan and Georges Ceuleneer, CNRS GET Géosciences Environnement Toulouse, Toulouse, France
 
Subsolidus phase relations for Mg2SiO4 at mantle transition zone conditions (698027)
Junjie Dong1, Rebecca A. Fischer1, Matthew Brennan1, Kierstin Daviau1, Terry-Ann Suer1, Katlyn M Turner1, Vitali B Prakapenka2 and Yue Meng3, (1)Harvard University, Cambridge, MA, United States, (2)University of Chicago, GeoSoilEnviroCARS, Chicago, IL, United States, (3)HPCAT, X-Ray Science Division, Argonne National Laboratory, Argonne, United States
 
The origin of the Dazhuka ophiolitic peridotites in the Yarlung Zangbo Suture, South Tibet (721765)
Lianrong Tian1, Jianping Zheng2 and Qing Xiong2, (1)China University of Geosciences Wuhan, Wuhan, China, (2)China University of Geosciences Wuhan, State Key Laboratory of Geological Processes and Mineral Resources, Wuhan, China
 
3D Transient Superstructures in Mantle Convection using Lattice Boltzmann Method (705175)
Gabriele Morra, University of Louisiana at Lafayette, Department of Physics and School of Geosciences, Lafayette, LA, United States, Peter Mora, King Fahd University of Petroleum & Minerals, College of Petroleum Engineering and Geosciences, Dhahran, Saudi Arabia and David A Yuen, Columbia University, Dept. of Applied Physics and Applied Mathematics, New York, NY, United States
 
Investigating Thermal Shear Instability as a Viable Failure Mechanism for Deep Earthquakes in High Strain-rate Regions of Subducting Slabs (701843)
Rebecca A Fildes, University of California Davis, Department of Earth and Planetary Sciences, Davis, CA, United States, Magali I Billen, UC Davis, Davis, CA, United States and Marcel Thielmann, Universität Bayreuth, Bayerisches Geoinstitut, Bayreuth, Germany
 
Heat-blanketed convection: numerical simulations and implications for the evolution of the continental lithosphere (679679)
Frederic Deschamps, Academia Sinica, Taipei, Taiwan and Kenny Vilella, Hokkaido University, Department of Earth and Planetary Sciences, Sapporo, Japan
 
Scaling Laws for Stagnant-Lid Convection with Buoyant and Negatively Buoyant Crustal Layers (700524)
Kyle P Batra, Pennsylvania State University Main Campus, University Park, PA, United States and Bradford J Foley, Pennsylvania State University, State College, PA, United States
 
Shallow lower mantle viscosity modulates the pattern of mantle structure (699622)
Diogo José Louro Lourenço, University of California Berkeley, Department of Earth and Planetary Science, Berkeley, United States and Maxwell L Rudolph, University of California Davis, Department of Earth and Planetary Sciences, Davis, CA, United States
 
Automated slowness measurement and uncertainty estimation of multiple seismic arrivals using bootstrapping, cluster analysis and array methods (671889)
Jamie Ward1, Michael Scott Thorne2, Andy Nowacki1 and Sebastian Rost3, (1)University of Leeds, Leeds, LS2, United Kingdom, (2)University of Utah, Salt Lake City, UT, United States, (3)The University of Leeds, Leeds, United Kingdom
 
Global observations of mantle discontinuities from ScS reverberations (676215)
Rashni Rashni Anandawansha, New Mexico State University Main Campus, Physics, Las Cruces, NM, United States, Lauren Waszek, University of Cambridge, Department of Earth Sciences, Cambridge, United Kingdom, Benoit Tauzin, Australian National University, Research School of Earth Sciences, Canberra, Australia and Jorge Garcia, New Mexico State University, Las Cruces, NM, United States
 
Improved Joint Seismic-Geodynamic Tomography: Effects of Topography at Discontinuities in the Transition Zone on Mantle Heterogeneity and Convection-Related Observables (716917)
Petar Glisovic, University of Texas at Austin, Department of Geological Sciences, Jackson School of Geosciences, Austin, TX, United States, Stephen P Grand, University of Texas, Austin, TX, United States, Chang Lu, University of Texas at Austin, Geological Sciences, Austin, TX, United States, Alessandro M Forte, University of Florida - Geological Sciences, Gainesville, FL, United States and Songqiao Shawn Wei, Michigan State University, Department of Earth and Environmental Sciences, East Lansing, MI, United States
 
Mantle Transition Zone Seismic Discontinuities Studied Globally using Dozens of Dense Temporary Seismic Arrays (749883)
Margaret Elizabeth Glasgow, University of New Mexico Main Campus, Albuquerque, NM, United States, Brandon Schmandt, University of New Mexico, Department of Earth & Planetary Sciences, Albuquerque, NM, United States and Jin Zhang, University of New Mexico, Institute of Meteoritics, Department of Earth and Planetary Sciences, Albuquerque, NM, United States
 
Mantle Transition Zone Discontinuities beneath Tibetan Plateau and Adjacent Regions (685252)
Zexin Miao, Missouri University of Science and Technology, Geology and Geophysics Program, Rolla, MO, United States
 
Interpretation of the Seismic Structure beneath East Asia using Mantle Convection Model with Tectonic Plates (770266)
Bingcheng Wu, University of Science and Technology of China, Hefei, China
 
Receiver Functions of the Transition Zone Below Yellowstone: Searching for Water (774649)
William Frazer, New Haven, CT, United States, Jeffrey J Park, Yale University, Geology & Geophysics, New Haven, CT, United States and May Chen, Yale University, Earth and Planetary Sciences, New Haven, United States
 
Stagnant Slabs and Their Return Flows from Finite-Frequency Tomography of the 410-km and 660-km Discontinuities (673741)
Zhen Guo, College of Science, Jiangnan University, Wuxi, China and Ying Zhou, Department of Geosciences, Virginia Tech, Blacksburg, VA, United States