[S-IT29] [EE] New perspectives on East Asia geodynamics from the crust to the mantle

2017年5月23日(火) 10:45 〜 12:15 A03 (東京ベイ幕張ホール)

コンビーナ:Timothy B Byrne(University of Connecticut)、木村学(東京海洋大学・学術研究院)、Jonny Wu(University of Houston)、沖野郷子(東京大学大気海洋研究所)、座長:木村学(東京海洋大学・学術研究院)、座長:Wu Jonny(University of Houston)

The Philippine Sea plate and smaller East Asia marginal basins have been sandwiched by convergence of the larger Pacific and Indo-Australian plates towards Eurasia, producing some of the most active tectonic environments on Earth. The last decade has yielded a wide range of new observations that include geologic data along the plate margins, crustal to mantle imaging, and the geometry of subducted slabs. Together, these new perspectives have important implications for understanding the dynamics of plate interactions in this region. Here we seek oral and poster presentations that bear on the geologic history and geophysical character of modern and ancient plates in East Asia. We also invite geodynamic models that integrate these diverse datasets into a more holistic view of this dynamic environment.

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10:45 〜 11:00

[SIT29-06] Pattern of SKS splitting across the Taiwan orogen controlled by double subduction, not collision

*Ban-Yuan Kuo¹、Shu-Chuan Lin¹、Yi-Wei Lin¹ (1.Institute of Earth Sciences, Academia Sinica)

11:00 〜 11:15

[SIT29-07] Role of double subduction and retrowedge thrusting in consuming fast plate convergence in the Taiwan arc-continent collision

*John Suppe¹、Yu-Huan Hsieh²、Char-Shine Liu²、Sara Carena³ (1.University of Houston、2.National Taiwan University、3.Ludwigs Maximillian University Munich)

11:15 〜 11:30

[SIT29-08] Active dehydration, detachment and flow of transitional continental crust in an arc-continent collision, Taiwan

*Timothy B Byrne¹、Hsin-Hua Huang⁶、Ruey-Juin Rau³、Huihsuan Kate Chen⁵、Ai-ti Chen²、Edward Bertrand⁴ (1.University of Connecticut、2.National Taiwan University、3.National Cheng Kung University、4.GNS Science, Lower Hut, New Zealand、5.National Taiwan Normal University、6.Academia Sinica)

11:30 〜 11:45

[SIT29-09] A Major out of Sequence fault in Central Range of Taiwan Orogenic belt

★招待講演

*Yuan Hsi Lee¹、Wei Lo²、Wei-Hau Wang¹、Timothy B Byrne³、Ruey-Juin Rau⁴ (1.National CHung-Cheng Univ.、2.National Taipei Technology Univ.、3.Connecticut Univ.、4.National Chen-Kung Univ.)

11:45 〜 12:00

[SIT29-10] Normal faulting and structural analyses in eastern edge of Central Range in eastern Taiwan: an exhumed subduction fore-arc accretionary prism?

*Jian-Cheng Lee¹、Jon Lewis²、Hao-Tsu Chu³ (1.Academia Sinica、2.Indiana University of Pennsylvania、3.Central Geological Survey of Taiwan)

12:00 〜 12:15

[SIT29-11] The Chimei submarine canyon and fan: A record of Taiwan arc-continent collision

*Yu-Huan Hsieh¹、Char-Shine Liu^1,5、John Suppe^2,3、Serge Lallemand^4,5、Timothy B Byrne⁶ (1.Institute of Oceanography, National Taiwan University, Taiwan、2.Department of Earth and Atmospheric Sciences, University of Houston, Texas 77204, USA、3.Department of Geosciences, National Taiwan University, Taiwan、4.Geosciences Montpellier Laboratory, CNRS, Montpellier University, CC.60, Place E. Bataillon, 34095 Montpellier, France、5.Associated International Laboratory LIAD3E between MOST (Taiwan) and CNRS, France、6.Center for Integrative Geosciences, University of Connecticut, Storrs, Connecticut 06269, USA)

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