How Central Asian Orogeny Evolves:New Insights from End-Permian to Middle Triassic Magmatic Record along the Solonker Suture Zone  

作　　者：LI Shan CHUNG Sunlin Simon A.WILDE WANG Tao XIAO Wenjiao GUO Qianqian 

机构地区：[1]Institute of Geology,Chinese Academy of Geological Sciences [2]Xinjiang Research Center for Mineral Resources,Xinjiang Institute of Ecology and Geography,Chinese Academy of Sciences [3]Department of Geosciences,National Taiwan University [4]Institute of Earth Sciences,Academia Sinica [5]Department of Applied Geology,Curtin University [6]State Key Laboratory of Lithospheric Evolution,Institute of Geology and Geophysics,Chinese Academy of Sciences [7]Key Laboratory of Computational Geodynamics,University of Chinese Academy of Sciences

出　　处：《Acta Geologica Sinica(English Edition)》2016年第5期1907-1908,共2页地质学报（英文版）

基　　金：supported by the National Natural Science Foundation of China(grants No.41402194, 41390441,41230207 and 41302177)

摘　　要：Objective The modem Earth is characterized by two types of orogens： collisional orogen and accretionary orogen. It is widely accepted that the Central Asian Orogenic Belt （CAOB） is made up of widespread multiple ancient archipelagos. It has been recognized as a non-collisional orogen, contrasting with the archetypical Alpine- Himalayan-type collisional orogens. Although the CAOB is traditionally compared to subduction-accretion systems that have been well studied, all accretionary orogens ultimately passed into a collisional phase at the end of the orogenic Wilson cycle due to ocean closure and termination of subduction, which will lead to subsequent crustal shortening, thickening and reworking. Therefore, the archipelago-type CAOB may also preserve a terminal collision record, although this is not a classic continental collision at all.Objective The modem Earth is characterized by two types of orogens： collisional orogen and accretionary orogen. It is widely accepted that the Central Asian Orogenic Belt （CAOB） is made up of widespread multiple ancient archipelagos. It has been recognized as a non-collisional orogen, contrasting with the archetypical Alpine- Himalayan-type collisional orogens. Although the CAOB is traditionally compared to subduction-accretion systems that have been well studied, all accretionary orogens ultimately passed into a collisional phase at the end of the orogenic Wilson cycle due to ocean closure and termination of subduction, which will lead to subsequent crustal shortening, thickening and reworking. Therefore, the archipelago-type CAOB may also preserve a terminal collision record, although this is not a classic continental collision at all.

关 键 词：How Central Asian Orogeny Evolves 

分 类 号：P542[天文地球—构造地质学]