| Cenozoic Sedimentary Sequence in the Kumkal Basin, Xinjiang and New Evidence for the Late Quaternary Uplift of the Qinghai-Tibetan Plateau |
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| 作者姓名： | ZHANG Yunxiang CHE Zicheng and LIU Liang |
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| 作者单位： | ZHANG Yunxiang，CHE Zicheng and LIU Liang Department of Geo1ogy，Northwest University，Xi*an，710069 |
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| 摘 要： | 1. IntroductionThe Qinghai-Tibetan Plateau is an importantregion for the study of the global change andstructural evolution history). The in-depth knowledgeon its uplift process is the ke}' to understand theformation and development of temporary ph}'sicalenvironment of China or even East Asia. Therefore.a large quantity of researchers have given muchmore attention on this field (Burbank et al.. l982;Fang Xiaornin et al.. 1995f Ruddoman. ]997f AnZhisheng et al.. 1998). The macroscopic e\'o…
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Cenozoic Sedimentary Sequence in the Kumkal Basin, Xinjiang and New Evidence for the Late Quaternary Uplift of the Qinghai-Tibetan Plateau |
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| ZHANG Yunxiang,CHE Zicheng and LIU Liang.Cenozoic Sedimentary Sequence in the Kumkal Basin, Xinjiang and New Evidence for the Late Quaternary Uplift of the Qinghai-Tibetan Plateau[J].大陆动力学(英文版),2001(2). |
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| Authors: | ZHANG Yunxiang CHE Zicheng and LIU Liang |
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| Institution: | ZHANG Yunxiang,CHE Zicheng and LIU Liang Department of Geo1ogy,Northwest University,Xi*an,710069 |
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| Abstract: | A continental sedimentary sequence of large thickness from Oligocene to Pleistocene is well developed in the Kumkal basin, Xinjiang, which recorded the process and scale of the uplift of the west part of the Qinghai-Tibetan Plateau. The main leveling plane was formed after Miocene but before Pliocene, a period featuring a change of biotic association from species like the ones in the present mountainous regions of South China to those suitable to salt-water environment. Geological data indicate that the scale of the uplift was fairly large and the horizontal movement was very strong in the western plateau. The features of mammal fossils in combination with the elevation of fossil beds and the characters of river erosion geomorphic features disclose that the uplift scale in this area is no more than 500 m since the late Pleistocene. |
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| Keywords: | Cenozoic sedimentary sequence mammal fossils Qinghai-Tibet Plateau |
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