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题名: Geomorphological and environmental evolution in the upper reaches of the Yellow River during the late Cenozoic
作者: Li, JJ(李吉均); Fang, XM; Ma, HZ; Zhu, JJ; Pan, BT(潘保田); Chen, HL
收录类别: SCIE ; EI
出版日期: 1996-08
刊名: SCIENCE IN CHINA SERIES D-EARTH SCIENCES
卷号: 39, 期号:4, 页码:380-390
期刊主办单位: 中国科学院
出版者: SCIENCE CHINA PRESS
出版地: BEIJING
英文摘要: Studies of the geomorphology and stratigraphy in the upper reaches of the Yellow River during the late Cenozoic demonstrate that the period of 30-3.4 Ma is characterized by a relatively stable tectonic setting, a persistently hot climate and a wide distribution of inland basins. This long-term stable environment resulted in a planation surface, the main surface on the Qinghai-Xizang (Qingzang) Plateau, on which red earth crust and karst are formed. Since 3.4 Ma, the Qingzang Plateau was uplifted as a whole massif, accompanied by the dissection and disintegration of the main surface, termination of deposition and deformation of stratigraphy in red basins, increasing relief and commencing accumulation of inland molasse formation mainly of conglomerate. Subsequent strong uplift of the Qingzang Plateau at 2.5 Ma and 1.7-1.66 Ma led to cormation of the basic geomorphological configuration of the Qingzang Plateau and occurrence of the Yellow River. These three strong uplifts of the Qingzang Plateau between 3.4 Ma and 1.7-1.66 Ma was, therefore, named the Qingzang movement and divided correspondingly into three phases A, B and C. After the appearance of the Yellow River, the Qingzang Plateau continued uplifting intermittently, resulting in 8 valley terraces dated to 1.63, 1.5, 1.2, 0.8, 0.6, 0.15, 0.05, and 0.01 Ma, which also recorded the whole process of headward erosion of the Yellow River.
关键词: Cenozoic stratigraphy ; upper reaches of the Yellow River ; geomorphological evolution ; uplift of the Qingzang Plateau
通讯作者: Li, JJ (reprint author), LANZHOU UNIV,DEPT GEOG,LANZHOU 730000,PEOPLES R CHINA.
学科分类: Geology
文章类型: Article
语种: 英语
ISSN号: 1006-9313
WOS记录号: WOS:A1996WB00300005
EI记录号: 1996113429092
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内容类型: 期刊论文
URI标识: http://ir.lzu.edu.cn/handle/262010/119494
Appears in Collections:资源环境学院_期刊论文

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Recommended Citation:
Li, JJ,Fang, XM,Ma, HZ,et al. Geomorphological and environmental evolution in the upper reaches of the Yellow River during the late Cenozoic[J]. SCIENCE IN CHINA SERIES D-EARTH SCIENCES,1996,39(4):380-390.
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