Introduction (10:45 〜 12:15)
セッション情報
[E] オンラインポスター発表
セッション記号 S (固体地球科学) » S-IT 地球内部科学・地球惑星テクトニクス
[S-IT20] New perspectives on accretion and exhumation processes during oblique plate convergence
2023年5月26日(金) 10:45 〜 12:15 オンラインポスターZoom会場 (13) (オンラインポスター)
コンビーナ:Timothy B Byrne(University of Connecticut)、Jian-Cheng Lee(Academia Sinica)、志村 侑亮(産業技術総合研究所)、Gong-ruei Ho(Academia Sinica, Institute of Earth Sciences)
現地ポスター発表開催日時 (2023/5/25 17:15-18:45)
South and East Asia represent one of the most tectonically active regions on Earth. The Pacific, Indo-Australia, and Eurasian plates converge around the Philippine Sea plate, resulting in a wide range of geologically and tectonically complex plate boundaries, including regions of both active and inactive oblique plate convergence. Many of these areas also preserve geologic evidence for subduction of oceanic and continental fragments to high, or ultrahigh pressures (i.e., mantle depths), raising fundamental questions about plate- and outcrop-scale processes. For example, does oblique convergence play a relatively unique role in the generation and/or preservation (i.e., subduction and exhumation) of high-pressure metamorphism? If so, are the accretion and exhumation flow paths truly 3D so plane strain may not apply? Finally, is there a characteristic signature in the rock record that can be used to identify past areas of oblique convergence? Here, we seek oral and poster presentations that bear on the accretion and exhumation processes along modern and ancient plate boundaries associated with either normal or oblique convergence. We also invite discussions of geodynamic models that integrate oblique convergence into a more holistic view of subduction, accretion, and exhumation.
10:45 〜 12:15
*Timothy B Byrne1、Atsushi Yamaji2、Michael R. Chojnacki、En-Chao Yeh3、Gong-ruei Ho4、Yuan Hsi Lee7、Jian-Cheng Lee4、Jonathan C Lewis5、Jonny Wu6 (1.University of Connecticut、2.Kyoto University、3.National Taiwan Normal University、4.Academia Sinica、5.Indiana University of Pennsylvania、6.University of Houston、7.National Chung Cheng University)
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10:45 〜 12:15
*竹下 徹1 (1.北海道大学総合博物館・資料部)
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10:45 〜 12:15
*Ban-Yuan Kuo1、Pei-Ru Jian1 (1.Institute of Earth Sciences, Academia Sinica)
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10:45 〜 12:15
*Jian-Cheng Lee1、Gong-ruei Ho1、Kai-Hsiang Yang1、Yuan-Hsi Lee2、En-Chao Yeh3、Chin-Ho Tsai4、Wei Lo5、Chi-Hsuan Chen6、Chi-Hsiu Pang1 (1.Academia Sinica、2.National Chung Cheng University、3.National Taiwan Normal University、4.National Dong Hwa University、5.National Taipei University of Technology、6.Central Geological Survey)
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10:45 〜 12:15
*Gong-ruei Ho1、Jian-Cheng Lee1 (1.Academia Sinica, Institute of Earth Sciences)
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Discussion (10:45 〜 12:15)