5-5-5-5-5-5-5-5-5-5-5-5-5-5-5-5-5-5-5-5-5-5-5-5 From: "Triantafyllou, Antoine - (atriantafyllou)" < atriantafyllou@xxxxxxxxxxxxxxxxx> 5-5-5-5-5-5-5-5-5-5-5-5-5-5-5-5-5-5-5-5-5-5-5-5 Dear Colleagues, Are you planning to attend the next GSA Fall meeting in Phoenix, Arizona (22-25 Sept 2019)? Are you working on Subduction Zone systems? Using e.g., Geochemical / Petrological / Geochronological / Geophysical tools? There is a session *made for you* : â??*T19. Subduction Zone Systems: Geochemical, Petrochronological, and Geophysical Constraints on Lithospheric Structure, Composition, and Geodynamics* <https://community.geosociety.org/gsa2019/learn/technical/topical>â?? Our invited speaker is *Dr. Carlos J. Garrido* from the Instituto Andaluz de Ciencias de la Tierra (CSIC, IACT) - University of Granada (Spain). -- Here are more details about the covered topics: Subduction zones display a rich diversity in magmatic, tectonic and metamorphic processes at a wide range of spatial and temporal scales. Viewed as major crust- producing, -refining and -recycling factories, their evolution greatly influences the chemical composition and physical characteristics of the upper plate lithosphere that is subsequently involved in accretion and collisional orogens. Recent and ongoing studies focus on a comprehensive suite of onshore/offshore records in subduction zone and exposed terranes preserved in orogens, helping us understand several aspects of supra-subduction dynamics, such as subduction initiation, timing of magmatism and accretionary processes as well as their contribution to the production of continental crust. Understanding the evolution of modern arc lithosphere during subduction and collisional tectonics requires interdisciplinary research and methods. We invite contributions dedicated to understanding subduction zones and collisional orogens, including but not limited to: petrological, microstructural, geochemical and geochronological studies on rocks from exhumed and/or active settings (e.g., ECORD-IODP programs), petrological experiments and modeling, geophysical studies in active subduction settings and analogue / numerical geodynamic modelling. These contributions could involve: (i) Characterizing magmas and fluids transfers during subduction and their implications on upper plate lithosphere evolution, (ii) Understanding mechanisms and timing of arc thickening and maturation (i.e. magmatic flare-ups, deep differentiation processes, deep crustal foundering, intra-arc deformation), (iii) Examining the evolution of the nature and dynamics of supra-subduction zones from potential Archean records to recent observations, (iv) Assessing the influences of subduction on the igneous evolution of orogenic belts especially during the collisional and post- collisional phases, (v) Identifying deformation mechanisms and structures of active subduction and collisional settings from seismic properties and magnetotelluric measurements. Please note the *abstract submission deadline is Tuesday, June 25th, 2019*. Looking forward to reading your abstract and seeing you Phoenix! All the best, The T19 conveners, Antoine Triantafyllou, Mihai Ducea, Jonathan Delph and Mark Reagan ============================================================== Volcano Listserv is a collaborative venture among Arizona State University (ASU), Portland State University (PSU), the Global Volcanism Program (GVP) of the Smithsonian Institution's National Museum of Natural History, and the International Association for Volcanology and Chemistry of the Earth's Interior (IAVCEI). ASU - http://www.asu.edu/ PSU - http://pdx.edu/ GVP - http://www.volcano.si.edu/ IAVCEI - http://www.iavcei.org/ To unsubscribe from the volcano list, send the message: signoff volcano to: listserv@xxxxxxx, or write to: volcano-request@xxxxxxx. To contribute to the volcano list, send your message to: volcano@xxxxxxx. Please do not send attachments. ============================================================== ------------------------------
