Magma migration and surface uplift in Pamir-western Tibet driven by deep lithospheric dynamics
文献类型：期刊论文
| 作者 | Tang, Gong-Jian2,3; Wyman, Derek A.4; Dan, Wei2,3 ; Wang, Qiang2,3; Gadoev, Mustafo1; Oimahmadov, Ilhomjon1
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| 刊名 | GEOLOGY
 |
| 出版日期 | 2023-09-01 |
| 卷号 | 51期号:9页码:813-817 |
| ISSN号 | 0091-7613 |
| DOI | 10.1130/G51216.1 |
| 英文摘要 | There are two parallel >1200-km-long semi-continuous (ultra)potassic magmatic belts in the southern (Karakorum-Lhasa) and the northern (Central Pamir-western Kunlun) parts of Pamir-western Tibet. The southern belt is widely attributed to northward subduction of the Indian plate, while it has been suggested that the northern belt relates to the southward subduction of the Asian plate. We report new zircon U-Pb ages and isotopic data for the northern belt that show eastward magma migration between ca. 20 Ma and the present, which are contemporaneous with continental-scale thermochronometric cooling ages. Whereas magma migration in the south was caused by progressive west-to-east Indian lithosphere break-off, magma generation in the north is shown to be related to asthenospheric mantle upflow through a small mantle window (similar to 100 km width) forced by Indian lithosphere underthrusting, Pamir-western Tibet lithosphere mantle dripping, and resistance of the Tarim lithosphere. Northern belt magma migration relates to progressively eastward underthrusting of the Indian lithosphere that took similar to 15 m.y. to move northward across similar to 350 km to meet Asian lithosphere. Accordingly, both belts of (ultra)potassic magmatism relate to the northward subduction of the Indian plate that was responsible for plateau uplift in Pamir-western Tibet. |
| WOS研究方向 | Geology |
| 语种 | 英语 |
| WOS记录号 | WOS:001091244000003 |
| 源URL | [http://ir.gig.ac.cn/handle/344008/75985]  |
| 专题 | 同位素地球化学国家重点实验室 |
| 通讯作者 | Tang, Gong-Jian |
| 作者单位 | 1.Tajik Acad Sci, Inst Geol Earthquake Engn & Seismol, Dushanbe 734025, Tajikistan 2.CAS Ctr Excellence Deep Earth Sci, Guangzhou 510640, Peoples R China 3.Chinese Acad Sci, Guangzhou Inst Geochem, State Key Lab Isotope Geochem, Guangzhou 510640, Peoples R China 4.Univ Sydney, Sch Geosci, Camperdown, NSW 2006, Australia |
| 推荐引用方式 GB/T 7714 | Tang, Gong-Jian,Wyman, Derek A.,Dan, Wei,et al. Magma migration and surface uplift in Pamir-western Tibet driven by deep lithospheric dynamics[J]. GEOLOGY,2023,51(9):813-817. |
| APA | Tang, Gong-Jian,Wyman, Derek A.,Dan, Wei,Wang, Qiang,Gadoev, Mustafo,&Oimahmadov, Ilhomjon.(2023).Magma migration and surface uplift in Pamir-western Tibet driven by deep lithospheric dynamics.GEOLOGY,51(9),813-817. |
| MLA | Tang, Gong-Jian,et al."Magma migration and surface uplift in Pamir-western Tibet driven by deep lithospheric dynamics".GEOLOGY 51.9(2023):813-817. |
入库方式： OAI收割
来源：广州地球化学研究所
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