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Evidence of Early Cretaceous transpression in the Sulu orogenic belt, eastern China
Wang, Jun1; Chang, Su-Chin1; Lin, Peijun2; Zhu, Xiaoqing3; Fu, Yongtao4; Zhang, Haichun5
2016-09-26
发表期刊TECTONOPHYSICS
卷号687页码:44-55
文章类型Article
摘要Recent studies have documented marine turbidites with syn-sedimentary deformation features in the central Sulu orogenic belt of eastern China. These units preserve essential information on the Late Mesozoic evolution of the Sulu orogenic belt Referred to as the Baxiandun Formation, the turbidites exhibit similar lithologic characteristics to nearby units such as the Lingshandao Formation that have been well studied even though precise geochronologic constraints are lacking for a more precise correlation. This study reports detrital zircon U-Pb age data that correlate the Baxiandun Formation turbidites of the central Sulu orogenic belt to the Early Cretaceous Lingshandao Formation. We also report Al-in-hornblende emplacement depth estimates for granitic intrusions of the Sulu orogenic belt's Laoshan mountain. A sharp contact between the Laoshan granites and the marine Baxiandun Formation indicates that the Baxiandun basin rapidly subsided to the emplacement depth of the Laoshan plutons. Lateral correlation among the marine turbidites, the Lingshandao and Baxiandun Formations, combined with information established by previous studies indicates initiation of transpressional tectonics at 122-121 Ma. Transpression ceased with the emplacement of the Laoshan granites, whose A1-type composition indicates a return to extensional tectonics at ca. 111 Ma. (C) 2016 Elsevier B.V. All rights reserved.
关键词Baxiandun Formation Laoshan Granites Early Cretaceous U-pb Zircon Dating Al-in-hornblende Barometer Sulu Orogenic Belt
DOI10.1016/j.tecto.2016.09.005
收录类别SCI
语种英语
WOS记录号WOS:000386406000004
引用统计
文献类型期刊论文
版本出版稿
条目标识符http://ir.qdio.ac.cn/handle/337002/136181
专题海洋地质与环境重点实验室
作者单位1.Univ Hong Kong, Dept Earth Sci, Hong Kong, Hong Kong, Peoples R China
2.Testing Ctr China Met Geol Bur Shandong Bur, Jinan 250014, Peoples R China
3.Qingdao Inst Marine Geol, Qingdao 266071, Peoples R China
4.Chinese Acad Sci, Inst Oceanog, Key Lab Marine Geol & Environm, Qingdao 266071, Peoples R China
5.Chinese Acad Sci, Nanjing Inst Geol & Palaeontol, State Key Lab Palaeobiol & Stratig, Nanjing 210008, Jiangsu, Peoples R China
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Wang, Jun,Chang, Su-Chin,Lin, Peijun,et al. Evidence of Early Cretaceous transpression in the Sulu orogenic belt, eastern China[J]. TECTONOPHYSICS,2016,687:44-55.
APA Wang, Jun,Chang, Su-Chin,Lin, Peijun,Zhu, Xiaoqing,Fu, Yongtao,&Zhang, Haichun.(2016).Evidence of Early Cretaceous transpression in the Sulu orogenic belt, eastern China.TECTONOPHYSICS,687,44-55.
MLA Wang, Jun,et al."Evidence of Early Cretaceous transpression in the Sulu orogenic belt, eastern China".TECTONOPHYSICS 687(2016):44-55.
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