The slip history of the South Tibetan Detachment System in the Cho Oyu region: Constraints from leucogranite geochronology
文献类型：期刊论文
| 作者 | Yang Lei1; Gao Cheng4; Liu XiaoChi3 ; Wang JiaMin3; Zhou LiangJie1; Liu ZhiChao2; Wu FuYuan3
|
| 刊名 | ACTA PETROLOGICA SINICA
 |
| 出版日期 | 2022-09-01 |
| 卷号 | 38期号:9页码:2709-+ |
| 关键词 | South Tibetan Detachment System Cho Oyu Leucogranite Himalya Geochronology |
| ISSN号 | 1000-0569 |
| DOI | 10.18654/1000-0569/2022.09.12 |
| 英文摘要 | As the product of Himalayan orogeny, the development of the South Tibetan Detachment System (STDS) is closely related to the rise of Himalaya. Therefore, we can understand the evolution process of Himalayan orogeny through the study of STDS. Although many studies have been carried out on the STDS, there is still controversy about its formation mechanism. In this study, we processed U-(Th)-Pb geochronology of zircon and monazite in leucogranite which intruded below the STDS of Cho Oyu Himalaya. The results show that the leucogranites crystallized at 18 similar to 17Ma. A previous study reported the fission track ages of zircon and apatite in these leucogranites of similar to 15Ma and similar to 13Ma, respectively. Combining with the thermochronology and our research, it suggests that the Cho Oyu leucogranite has been cooled from similar to 700 degrees C to similar to 120 degrees C in a tight time interval (about 4Myr) with a cooling rate beyond 100 degrees C/Myr. After similar to 13Ma, the leucogranite has experienced a relatively slow cooling history (similar to 10 degrees C/Myr). It indicated that the development of the STDS in the Cho Oyu region initiated before 17Ma and ended at about 13 Ma. Combining with the study of metamorphism and leucogranite in the Great Himalayan Crystalline (GHC), we suggest that the initiation and development of the STDS may be related to the peak metamorphism of the GHC. |
| WOS关键词 | U-PB GEOCHRONOLOGY ; HIMALAYA IMPLICATIONS ; TECTONIC EVOLUTION ; ROCKS ; THERMOCHRONOLOGY ; EXHUMATION ; OROGEN ; AGE ; DEFORMATION ; EXTRUSION |
| WOS研究方向 | Geology |
| 语种 | 英语 |
| WOS记录号 | WOS:000870676500012 |
| 出版者 | SCIENCE PRESS |
| 源URL | [http://ir.iggcas.ac.cn/handle/132A11/107767]  |
| 专题 | 地质与地球物理研究所_岩石圈演化国家重点实验室 |
| 通讯作者 | Yang Lei |
| 作者单位 | 1.Chengdu Univ Technol, Coll Earth Sci, Chengdu 610059, Peoples R China 2.SunYat Sen Univ, Sch Earth Sci & Engn, Guangzhou 510275, Peoples R China 3.Chinese Acad Sci, Inst Geol & Geophys, State Key Lab Lithospher Evolut, Beijing 100029, Peoples R China 4.East China Univ Technol, State Key Lab Nucl Resources & Environm, Nanchang 330302, Jiangxi, Peoples R China |
| 推荐引用方式 GB/T 7714 | Yang Lei,Gao Cheng,Liu XiaoChi,et al. The slip history of the South Tibetan Detachment System in the Cho Oyu region: Constraints from leucogranite geochronology[J]. ACTA PETROLOGICA SINICA,2022,38(9):2709-+. |
| APA | Yang Lei.,Gao Cheng.,Liu XiaoChi.,Wang JiaMin.,Zhou LiangJie.,...&Wu FuYuan.(2022).The slip history of the South Tibetan Detachment System in the Cho Oyu region: Constraints from leucogranite geochronology.ACTA PETROLOGICA SINICA,38(9),2709-+. |
| MLA | Yang Lei,et al."The slip history of the South Tibetan Detachment System in the Cho Oyu region: Constraints from leucogranite geochronology".ACTA PETROLOGICA SINICA 38.9(2022):2709-+. |
入库方式： OAI收割
来源：地质与地球物理研究所
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