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DOI10.1016/j.quaint.2021.02.016
Magnetostratigraphy of a drilling core from the Baiyanghe alluvial fan at the western margin of the Junggar Basin, NW China and its paleoenvironmental significance
Niu, Gaihong; Li, Xiaoze; Zhao, Yongtao; Yang, Fan; Li, Suchao; Wan, Zheng
通讯作者Li, XZ (通讯作者),Chinese Acad Sci, Northwest Inst Ecoenvironm & Resources, Key Lab Desert & Desertificat, Lanzhou 730000, Gansu, Peoples R China.
发表日期2021
ISSN1040-6182
EISSN1873-4553
起始页码1
结束页码11
卷号589
英文摘要Although alluvial fans are widely distributed along the western margin of the Junggar basin, NW China, uncertainties in their formation age and associated environment need to be resolved. In a well-developed alluvial fan in the upper reaches of the Baiyang River, a 137 m-deep hydrogeological drilling core (ZK1) has been extracted. Paleomagnetic analysis shows that this section has been deposited since 8 Ma, during three distinct phases: (1) a lower segment of muddy facies formed during 8-5.6 Ma; (2) a middle segment of alternating muddy and sandy and gravel layers formed during 5.6-3.6 Ma, and (3) the upper layer of gray conglomerate formed from 3.6 Ma to present. The fan began to develop at similar to 5.6 Ma, perhaps driven by the Mediterranean Messinian salinity crisis originally. At 3.6 Ma, the deposition rate increased significantly and the climate further dried and cooled, likely due to the uplift of the Qinghai-Tibet Plateau and its far-field structural and environmental impacts. However, the direct causes of the two events recorded in this section are related to the rapid uplift of Wuerkashier Mt., and to regional and global climate cooling.
关键词SYNTECTONIC GROWTH STRATANORTHERN TIAN-SHANTECTONIC UPLIFTFORELAND BASINARIDIFICATIONMOUNTAINSSEDIMENTSCLIMATEDESERTRANGE
英文关键词Junggar basin; Alluvial fan; Paleomagnetism; Late cenozoic; Tectonics-climate
语种英语
WOS研究方向Physical Geography ; Geology
WOS类目Geography, Physical ; Geosciences, Multidisciplinary
WOS记录号WOS:000647706600001
来源期刊QUATERNARY INTERNATIONAL
来源机构中国科学院西北生态环境资源研究院
文献类型期刊论文
条目标识符http://gcip.llas.ac.cn/handle/2XKMVOVA/254053
作者单位[Niu, Gaihong; Li, Xiaoze; Zhao, Yongtao; Li, Suchao] Chinese Acad Sci, Northwest Inst Ecoenvironm & Resources, Key Lab Desert & Desertificat, Lanzhou 730000, Gansu, Peoples R China; [Niu, Gaihong; Li, Suchao] Univ Chinese Acad Sci, Beijing 100049, Peoples R China; [Yang, Fan] Henan Univ, Key Res Inst Yellow River Civilizat & Sustainable, Kaifeng 475001, Peoples R China; [Yang, Fan] Henan Univ, Collaborat Innovat Ctr Yellow River Civilizat Joi, Kaifeng 475001, Peoples R China; [Yang, Fan] Henan Univ, Minist Educ, Kaifeng 475001, Peoples R China; [Wan, Zheng] Lanzhou Univ, Coll Earth & Environm Sci, Key Lab Western Chinas Environm Syst, Minist Educ, Lanzhou 730000, Peoples R China
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GB/T 7714
Niu, Gaihong,Li, Xiaoze,Zhao, Yongtao,et al. Magnetostratigraphy of a drilling core from the Baiyanghe alluvial fan at the western margin of the Junggar Basin, NW China and its paleoenvironmental significance[J]. 中国科学院西北生态环境资源研究院,2021,589.
APA Niu, Gaihong,Li, Xiaoze,Zhao, Yongtao,Yang, Fan,Li, Suchao,&Wan, Zheng.(2021).Magnetostratigraphy of a drilling core from the Baiyanghe alluvial fan at the western margin of the Junggar Basin, NW China and its paleoenvironmental significance.QUATERNARY INTERNATIONAL,589.
MLA Niu, Gaihong,et al."Magnetostratigraphy of a drilling core from the Baiyanghe alluvial fan at the western margin of the Junggar Basin, NW China and its paleoenvironmental significance".QUATERNARY INTERNATIONAL 589(2021).
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