Apatite fission-track thermochronological constraints on the pattern of late Mesozoic-Cenozoic uplift and exhumation of the Qinling Orogen, central China
文献类型：期刊论文
| 作者 | Chen, Hong1,2; Hu, Jianmin1,2; Wu, Guoli3; Shi, Wei1,2; Geng, Yingying4; Qu, Hongjie1,2 |
| 刊名 | JOURNAL OF ASIAN EARTH SCIENCES
 |
| 出版日期 | 2015-12-15 |
| 卷号 | 114页码:649-673 |
| 关键词 | Qinling Orogen Apatite fission-track analysis Propagation of uplift and exhumation Intracontinental deformation |
| DOI | 10.1016/j.jseaes.2014.10.004 |
| 文献子类 | Article |
| 英文摘要 | The Qinling Orogen of central China was formed by intracontinental collision between the North and South China Blocks. The orogen comprises several micro-blocks bounded by sutures and faults, and has undergone long-term intracontinental deformation since the Late Triassic. The micro-blocks include the southern margin of the North China Block (S-NCB), the Northern Qinling Belt (NQB), the Southern Qinling Belt (SQB), and the northern margin of the South China Block (N-SCB). Under a uniform tectonic setting in late Mesozoic-Cenozoic, these micro-blocks have been subjected to a range of deformation styles, as demonstrated by their structural deformation, history of magmatism, and the development of sedimentary basins. To investigate the differences among the micro-blocks and to quantify their uplift and exhumation, we obtained 45 rock samples from eight Mesozoic granites in these micro-blocks, and conducted apatite fission-track (AFT) thermochronological modeling. The results reveal that the Qinling Orogen underwent four distinct stages of rapid cooling histories during the late Mesozoic-Cenozoic, and showed variation in uplift and exhumation whereby the intracontinental deformation started in the south (the N-SCB) and propagated to the north (S-NCB). In the first stage, during the Late Jurassic-Early Cretaceous (ca. 160-120 Ma), rock cooling occurred mainly in the N-SCB, attributed to the clockwise rotation and northward subduction of the South China Block beneath the Qinling Orogen. In the second stage, compression- and extension-related uplift was initiated during the late Early Cretaceous-early Late Cretaceous (ca. 120-90 Ma) in the SQB, consistent with the southward subduction of the North China Block and broadly extensional deformation in the eastern China continent. In the third stage, a gentle regional-scale cooling event that occurred during the latest Cretaceous-Paleocene (ca. 90-50 Ma) started in the NQB and became widespread in the Qinling Orogen. This regional-scale uplift and exhumation event was probably a response to the opposite polarity subduction beneath the Qinling Orogen combined with the effects of subduction of the Pacific Plate from the southeast. The fourth stage (Eocene-Oligocene, ca. 50-20 Ma) was marked by another phase of rapid cooling in the S-NCB, the NQB, and the NW-SQB, and is interpreted as being cause by the eastward tectonic escape of Tibetan Plateau related to India-Asia collision. Furthermore, the record of variable timings and rates of cooling of these micro-blocks, together with regional structural analysis, indicates that the late Mesozoic-Cenozoic intracontinental deformation in the Qinling Orogen was characterized by a spatiotemporally variable and propagating-style uplift and exhumation of the micro-blocks, and the predominant deformation was through displacement across various boundary sutures and faults. (C) 2014 Elsevier Ltd. All rights reserved. |
| WOS关键词 | PRESSURE CONTINENTAL-CRUST ; EAST CENTRAL CHINA ; SOUTHERN TAN-LU ; ZIRCON U-PB ; TIBETAN PLATEAU ; TECTONIC EVOLUTION ; SICHUAN BASIN ; DABIE MOUNTAINS ; MIANLUE SUTURE ; NORTH CHINA |
| WOS研究方向 | Geology |
| 语种 | 英语 |
| WOS记录号 | WOS:000367858300004 |
| 资助机构 | National Science Foundation of China(41102126 ; National Science Foundation of China(41102126 ; Chinese Government's Executive Program(SinoProbe-08-01-03) ; Chinese Government's Executive Program(SinoProbe-08-01-03) ; China Geological Survey Program(1212011220259) ; China Geological Survey Program(1212011220259) ; 91114204) ; 91114204) ; National Science Foundation of China(41102126 ; National Science Foundation of China(41102126 ; Chinese Government's Executive Program(SinoProbe-08-01-03) ; Chinese Government's Executive Program(SinoProbe-08-01-03) ; China Geological Survey Program(1212011220259) ; China Geological Survey Program(1212011220259) ; 91114204) ; 91114204) |
| 源URL | [http://ir.iggcas.ac.cn/handle/132A11/62096]  |
| 专题 | 地质与地球物理研究所_特提斯研究中心 |
| 作者单位 | 1.Chinese Acad Geol Sci, Inst Geomech, Beijing 100081, Peoples R China 2.Minist Land & Resources, Key Lab Paleomagnetism & Tecton Reconstruct, Beijing 100081, Peoples R China 3.Chinese Acad Sci, Inst Geol & Geophys, Beijing 100029, Peoples R China 4.CNNC Beijing Res Inst Uranium Geol, Beijing 100029, Peoples R China |
| 推荐引用方式 GB/T 7714 | Chen, Hong,Hu, Jianmin,Wu, Guoli,et al. Apatite fission-track thermochronological constraints on the pattern of late Mesozoic-Cenozoic uplift and exhumation of the Qinling Orogen, central China[J]. JOURNAL OF ASIAN EARTH SCIENCES,2015,114:649-673. |
| APA | Chen, Hong,Hu, Jianmin,Wu, Guoli,Shi, Wei,Geng, Yingying,&Qu, Hongjie.(2015).Apatite fission-track thermochronological constraints on the pattern of late Mesozoic-Cenozoic uplift and exhumation of the Qinling Orogen, central China.JOURNAL OF ASIAN EARTH SCIENCES,114,649-673. |
| MLA | Chen, Hong,et al."Apatite fission-track thermochronological constraints on the pattern of late Mesozoic-Cenozoic uplift and exhumation of the Qinling Orogen, central China".JOURNAL OF ASIAN EARTH SCIENCES 114(2015):649-673. |
入库方式： OAI收割
来源：地质与地球物理研究所
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