| Session Details | |
| Section | SE - Solid Earth Sciences |
| Session Title | Permo-Triassic Collision, HP-UHP Metamorphism and Tectonic Exhumation along the East Asian Continental Margin |
| Main Convener | Prof. Gary Ernst (Stanford University, United States) |
| Co-convener(s) | Prof. Moonsup Cho (Seoul National University, Korea, South) Prof. Bor-ming Jahn (Academia Sinica, Taiwan) Dr. Tatsuki Tsujimori (Okayama University at Misasa, Japan) Prof. Mingguo Zhai (Chinese Academy of Sciences, China) Prof. Juhn Liou (Stanford University, United States) |
| Session Description | A long-sustained component of convergent plate motion at ~320-210 Ma generated a contractional mountain belt extending from east-central China through the central Korean Peninsula and southwestern Japan to the Russian Far East. This Tongbai-Hong’an-Dabie-Sulu-Imjingang-Gyeonggi-Renge-Suo-Sikhote-Alin terrane amalgamation reflects roughly NW-directed subduction of oceanic lithosphere and ultimate collision between the Sino-Korean and Yangtze cratons along the SW portion of the suture zone, but the arrival and docking of a collage of seaward oceanic arcs and microcontinental blocks against the Asian margin on the NE. Subducted complexes underwent high- and ultrahigh-pressure (HP and UHP) metamorphism at low to moderately-high temperatures. This special session offers international geologists, particularly those from Japan, Korea and China to present their recent petrochemical and geochronological data related to subduction, collision and exhumation of the Permo-Triassic sutures. |