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Deep‐crustal compositions and architecture from accretion to collision: examples from the Central Asian Orogenic Belt and Qinling‐Dabie orogen
Author(s) -
Wang Tao,
Wang Xiaoxia,
Li Shan,
Tong Ying,
Huang He,
Zhang Lei,
Zhang Jianjun
Publication year - 2019
Publication title -
acta geologica sinica ‐ english edition
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.444
H-Index - 61
eISSN - 1755-6724
pISSN - 1000-9515
DOI - 10.1111/1755-6724.13936
Subject(s) - geology , collision , accretion (finance) , architecture , seismology , geography , computer science , computer security , archaeology , business , finance
Orogens can be generally divided into two types: accretionary and collisional orogens. What are fundamental differences in deep-crustal compositions and architecture from accretion to collision and how to identify them have not been well understood. This study attempts to discuss these problems by juvenile compositions defined by Nd-Hf isotopic mapping of granitoids in the southwestern segment of the Central Asian Orogenic Belt (CAOB), a typical and the world's largest Phanerozoic accretionary orogenic belt, and in the Qinling-Dabie Orogen, a typical subductional-collisional orogen.