V041
Multidisciplinary Insights into Tectonic and Metamorphic Processes at Convergent Margins I eLightning

Wednesday, 16 December 2020: 07:00-08:00
Virtual
Primary Convener:  Joshua M Garber, Pennsylvania State University Main Campus, Department of Geosciences, University Park, PA, United States
Conveners:  Guillaume Bonnet, University of California Santa Barbara, Santa Barbara, United States, Besim Dragovic, University of South Carolina, School of Earth, Ocean and Environment, Columbia, United States and Paul G Starr, Boston College, Department of Earth and Environmental Sciences, Chestnut Hill, MA, United States
Primary Liaison:  Joshua M Garber, University of California Santa Barbara, Earth Science, Santa Barbara, CA, United States
Chairs:  Guillaume Bonnet, University of California Santa Barbara, Santa Barbara, United States, Besim Dragovic, University of South Carolina, School of Earth, Ocean and Environment, Columbia, United States and Paul G Starr, Boston College, Department of Earth and Environmental Sciences, Chestnut Hill, MA, United States
OSPA Liaison:  Joshua M Garber, University of California Santa Barbara, Earth Science, Santa Barbara, CA, United States
07:00
­Forarc dehydration in warm subduction zones provides ample fluids at the depths of episodic slip and tremor (Invited) (686580)
Cailey Brown Condit, University of Washington, Seattle, WA, United States, Victor Guevara, Amherst College, Geology, Amherst, MA, United States, Jonathan R Delph, Purdue University, Department of Earth, Atmospheric, and Planetary Sciences, West Lafayette, IN, United States, Melodie E French, Rice University, Houston, TX, United States and Adam Holt, University of Miami, RSMAS, Miami, FL, United States
07:03
Unraveling the pre-subduction stratigraphy and tectonometamorphic evolution of deeply subducted and exhumed rocks using zircon U-Pb geochronology (752043)
Eirini Maria Poulaki, University of Texas at Austin, Department of Geological Sciences, Jackson School of Geosciences, Austin, TX, United States, Daniel F Stockli, University of Texas, Austin, TX, United States, Brandon Shuck, University of Texas at Austin, Institute for Geophysics & Department of Geological Sciences, Austin, TX, United States, Sofia Laskari, National and Kapodistrian University of Athens, Geology and Geoenviroment, Athens, Greece and Lisa Stockli, University of Texas at Austin, Austin, TX, United States
07:06
The Evolution of the Halogen Budget in Ophiolites from the Western Alps (700250)
Grace Beaudoin1, Jaime Barnes1, Timm John2 and J Elis Hoffmann2, (1)University of Texas at Austin, Austin, TX, United States, (2)Free University of Berlin, Berlin, Germany
07:09
A New Method for Quantitative Estimation of Volume Change in Metamorphic Rocks Using Deformed Mineral Vein Sets (739550)
Shogo Soejima and Simon Richard Wallis, University of Tokyo, Bunkyo-ku, Japan
07:12
Cyclic fluid flow in a high-pressure shear zone: Insights from Li isotope zoning in garnet (754776)
William Floyd Hoover1, Sarah Penniston-Dorland2, Lukas P Baumgartner3, Anne-Sophie Bouvier3 and Besim Dragovic4, (1)University of Maryland College Park, College Park, MD, United States, (2)University of Maryland, College Park, MD, United States, (3)University of Lausanne, Lausanne, Switzerland, (4)University of South Carolina, Columbia, SC, United States
07:15
Li isotope zoning in garnet from Franciscan eclogite and amphibolite: The role of subduction-related fluids (725385)
Sarah Penniston-Dorland1, Lukas P Baumgartner2, Besim Dragovic3 and Anne-Sophie Bouvier2, (1)University of Maryland College Park, College Park, MD, United States, (2)University of Lausanne, Lausanne, Switzerland, (3)University of South Carolina, School of Earth, Ocean and Environment, Columbia, United States
07:18
Serpentinites of Different Tectonic Origin Captured in an HP/LT Terrane: The Case for New Caledonia (SW Pacific) (767124)
Natalie H. Raia, Donna L Whitney and Christian P Teyssier, University of Minnesota Twin Cities, Department of Earth and Environmental Sciences, Minneapolis, MN, United States
07:21
Evaluation of multiple thermodynamic modeling protocols on metabasites: using the Tso Morari UHP eclogite as a case study (764468)
Ruiguang PAN1, Catherine A. Macris1 and Carrie A Menold2, (1)Indiana University Purdue University Indianapolis, Indianapolis, IN, United States, (2)Albion College, Geological Sciences, Albion, MI, United States
07:24
Tracing material transport in subduction zones: Insights from K isotopes in Izu arc lavas (758815)
Christopher A Parendo1, Stein B Jacobsen1, Jun-Ichi Kimura2 and Rex Taylor3, (1)Harvard University, Earth and Planetary Sciences, Cambridge, MA, United States, (2)JAMSTEC, Yokosuka, Japan, (3)University of Southampton, Southampton, United Kingdom
07:27
Spatio-Temporal Evolution of Arc Magmatism: A Case Study of Northern Colombia (745071)
Felix Ishimwe, Arizona State University, Tempe, AZ, United States, Christy B. Till, Arizona State Univeristy, Tempe, AZ, United States, Agustin Cardona, Universidad Nacional de Colombia, Medellin, Departmento de Procesos y Energía, Medellin, Colombia and Juan Sebastián Jaramillo, Universidad Nacional de Colombia, Dapartamento de Materiales y Minerales, Medellín, Colombia
07:30
Compositional estimation of protolith and metamorphic mass transfer in metabasaltic rocks: A Machine-Learning-Based Approach (727267)
Satoshi Matsuno, Masaoki Uno, Atsushi Okamoto and Noriyoshi Tsuchiya, Tohoku University, Sendai, Japan
07:33
Distributed ductile thinning (DDT) during thrusting: an overlooked exhumation mechanism for mid-crustal rocks (702040)
Sean P Long, Washington State University, School of the Environment, Pullman, WA, United States and Matthew J Kohn, Boise State University, Boise, ID, United States
07:36
Quartz petrofabrics and RSCM thermometry constrain the P-T-t history of the UHP Tso Morari metamorphic complex, northern India: cool, shallow, and possibly slow (740291)
Matthew J Kohn1, Sean P Long2, Buchanan Kerswell3, Jesslyn Kathleen Starnes4, Kyle Larson5, Nolan Blackford2 and Emmanuel Soignard6,7, (1)Boise State University, Boise, ID, United States, (2)Washington State University, School of the Environment, Pullman, WA, United States, (3)Boise State University, Geosciences, Boise, ID, United States, (4)Washington State University, Pullman, WA, United States, (5)University of British Columbia Okanagan, Kelowna, BC, Canada, (6)Corvallis, OR, United States, (7)Arizona State University, LeRoy Eyring Center for Solid State Science, Tempe, AZ, United States
07:39
Metamorphism and the evolution of plate tectonics (703819)
Robert M Holder, University of Michigan Ann Arbor, Ann Arbor, MI, United States, Daniel R Viete, Johns Hopkins University, Baltimore, MD, United States, Michael Brown, University of Maryland College Park, Department of Geology, College Park, MD, United States and Tim E Johnson, Curtin University, Perth, Australia
07:42
Decoding Rodinia events in South India: Evidences from late-Tonian ages within granulites (734972)
Amal Dev J, Tomson J.K, Sajna S, Nilanjana Sorcar and Nandakumar V, Isotope Geochemistry Facility, National Centre for Earth Science Studies, Thiruvananthapuram, India
07:45
Links Between the Ediacaran Zircon Geochemistry Anomaly and Extension-Related Magmatism in Gondwana (686420)
Charles Verdel, Northern Territory Geological Survey, Darwin, NT, Australia, Matthew James Campbell, University of Queensland, School of Earth and Environmental Sciences, St Lucia, QLD, Australia and Alan S Collins, Tectonics and Earth Systems (TES) Group, Department of Earth Sciences, University of Adelaide, Adelaide, Australia
07:48
Discussion