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ERAS Report for 2006 - Annexure 2 Solid Earth (SE) Super-session on AOGS-2006 (July 10-14, Singapore) "Composition and Evolution of the Asian Lithosphere" Bor-ming Jahn (Taipei) and Alfred Kröner (Mainz) Prof. Bor-ming Jahn, Institute of Earth Sciences, Academia Sinica P.O. Box 1-55, Nankang Taipei, 11529 Taiwan e-mail: jahn@earth.sinica.edu.tw Prof. Alfred Kröner Institut fuer Geowissenschaften, Universität Mainz 55099 Mainz, Germany e-mail: kroener@mail.uni-mainz.de Component sessions and their descriptions: 1. Evolution of the Asian continental mantle lithosphere - constraints from xenolith studies (Bill Griffin, Sue O'Reilly, and Kuo-Lung Wang) The continents are underlain by roots of sub-continental lithospheric mantle (SCLM), which vary in thickness, composition and thermal state depending on the age and tectonothermal history of the overlying crust and its tectonic setting. Understanding the evolution of the SCLM, and its causes, is essential to understanding the growth and stability of continents and long-term mantle processes. Recent studies document a change from thick, cool and depleted Archaean SCLM to thin, hot and fertile SCLM in eastern China. What mechanisms can cause thinning and replacement of ancient SCLM, which is gravitationally stable? How does new lithosphere form? Professor Suzanne Y. O'Reilly GEMOC Key Centre, Department of Earth and Planetary Sciences Macquarie University Sydney NSW 2109, Australia E-mail: soreilly@els.mq.edu.au Professor William L. Griffin GEMOC Key Centre, Department of Earth and Planetary Sciences Macquarie University Sydney NSW 2109. Australia E-mail: wgriffin@els.mq.edu.au Dr. Kuo-Lung Wang Institute of Earth Sciences, Academia Sinica 128, Sec. 2 Academia Road Nankang, Taipei 115 Taiwan, R.O.C. E-mail: kwang@earth.sinica.edu.tw
2. Lithospheric and mantle dynamics (David Yuen and Huai Zhang) This session will focus on fundamental issues of heat and mass transfer in the Earth's mantle and its nonlinear interaction with the crust and lithosphere. We welcome contributions from many vantage points, especially from multiscale points of view, towards this goal. Topics ranging from both laboratory experiments to numerical simulations are appropriate. Constraints from other geochemical and geophysical observations, in particular seismology and mineral physics, are particularly welcome. We encourage contributions from younger scientists. Prof. David A. Yuen Dept. of Geology and Geophysics and Minnesota Supercomputer Institute, University of Minnesota, Minneapolis, MN 55455-0219, USA e-mail: davey@krissy.geo.wmn.edu Prof. Huai Zhang, Laboratory of Computational Geodynamics, Chinese Academy of Sciences, Beijing, China e-mail: hzhang@gweas.ac.cn 2 3. Growth and evolution of the Asian continent (M. Zhai, S. Wilde, G. Zhao, M. Cho) Asia is evolving into the next supercontinent, composed of diverse terranes; each with its own unique story. Outstanding issues include the nature and distribution of the earliest crustal components; the relative roles of mantle plumes versus subduction-related processes in the Archean; the nature and timing of anorogenic magmatic and rifting events in the Proterozoic; the evidence for, and timing of, continental collisions; crustal growth during the Phanerozoic; evaluating geological correlations between various crustal components; and detailing the consequences of mantle processes as they impinge on the evolving crust. We welcome contributions on these and other related issues. Mingguo Zhai, Institute of Geology & Geophysics, Chinese Academy of Sciences, PO Box 9825, Beijing 100029, China e-mail: mgzhai@mail.igcas.ac.cn Simon Wilde, Department of Applied Geology, Curtin University of Technology, PO Box U1987, Perth, 6845, Western Australia e-mail: wildes@lithos.curtin.edu.au Guochun Zhao, Department of Earth Sciences, The University of Hong Kong, Pokfulam Road, Hong Kong e-mail: gzhao@hkucc.hku.hk Moonsup Cho, School of Earth & Environmental Sciences, Seoul National University, Seoul, 151-747, South Korea
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