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学科主题: 地球科学::地质学
题名: Palaeoenvironmental and chronological constraints on the Early Pleistocene mammal fauna from loess deposits in the Linxia Basin, NE Tibetan Plateau
作者: Zan, JB (Zan, Jinbo)3; Fang, XM (Fang, Xiaomin)1, 2, 3; Zhang, WL (Zhang, Weilin)3; Yan, MD (Yan, Maodu)3; Zhang, T (Zhang, Tao)3
通讯作者: Fang, XM
关键词: CHINESE LOESS ; MAGNETOSTRATIGRAPHY ; MA
刊名: QUATERNARY SCIENCE REVIEWS
发表日期: 2016
DOI: 10.1016/j.quascirev.2016.07.026
卷: 148, 期:0, 页:234-242
收录类别: SCI
合作性质: 国内
文章类型: Article
部门归属: 碰撞与隆升
英文摘要: The Longdan mammal fauna from the central part of Linxia Basin, NE Tibetan Plateau, is the first Early Pleistocene fauna in China in which the fossils are derived loess deposits, and it provides an excellent opportunity to document mammalian and environmental evolution in Asia. However, the precise age and palaeoenvironmental setting of the fauna are controversial due to the poor exposure of the outcrop section. In the present study, a 105-m-long drill core was obtained from Longdan village and used for detailed magnetostratigraphic dating. The results demonstrate that the late Pliocene- Pleistocene loess deposits in the Longdan section deposited since ca. 3 Ma and that the Longdan fauna has an age range of 2.5-2.2 Ma. In addition, the results of lithological and rock magnetic analyses demonstrate that paleosols are weakly developed throughout the whole core and that in the lower and middle parts the core the magnetic susceptibility and its frequency dependence are relatively low and uniform. These observations, combined with the ecological characteristics of the Longdan fauna, indicate that during the Early Pleistocene the climate in the Longdan area, and even in the Linxia Basin, was sub-humid and that the aeolian dust was frequently subjected to post-depositional reworking by water. (C) 2016 Elsevier Ltd. All rights reserved.
语种: 英语
WOS记录号: WOS:000383313100017
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.itpcas.ac.cn/handle/131C11/7604
Appears in Collections:图书馆_期刊论文

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作者单位: 1.Chinese Acad Sci, Inst Tibetan Plateau Res, CAS Ctr Excellence Tibetan Plateau Earth Sci, Beijing 100101, Peoples R China
2.Chinese Acad Sci, Inst Tibetan Plateau Res, Key Lab Continental Collis & Plateau Uplift, Beijing 100101, Peoples R China
3.CAS Center for Excellence in Tibetan Plateau Earth Sciences and Key Laboratory of Continental Collision and Plateau Uplift, Institute of Tibetan Plateau

Recommended Citation:
Zan, JB ,Fang, XM ,Zhang, WL ,et al. Palaeoenvironmental and chronological constraints on the Early Pleistocene mammal fauna from loess deposits in the Linxia Basin, NE Tibetan Plateau[J]. QUATERNARY SCIENCE REVIEWS,2016,148(0):234-242.
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