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Connections between Evaporite Deposition and Glacial Periods since the Middle Pleistocene in Salt Lakes in the Western Qaidam Basin, China

文献类型：期刊论文

作者Gu Jiani1; Chen Andong2; Liu Jiajun1; Han Guang3; Wang Xuefeng4
刊名ACTA GEOLOGICA SINICA-ENGLISH EDITION
出版日期2022-10-01
卷号96期号:5页码:1704-1715
ISSN号1000-9515
关键词evaporite deposition mirabilite Quaternary glaciation Quaternary salt lake Qaidam Basin
DOI10.1111/1755-6724.14957
英文摘要The Quaternary was the main evaporite deposition period in the Qaidam Basin (QB), but the correlation between the evaporite deposition period and the glacial period is still unclear. In this study, the research objects are primarily evaporite-bearing strata in a 461.58 m-long drill core in the QB. X-ray powder diffraction (XRD) and scanning electron microscopy (SEM) were applied to study the evaporite minerals, U-Th dating being applied to construct the Th-230 geochronological framework. Evaporite deposition from Marine Isotope Stage (MIS) 15 to MIS 4 in the borehole was reconstructed via mineralogical and geochronological data. The evaporite minerals are mainly halite (NaCl), mirabilite (Na2SO4 center dot 10H(2)O), thenardite (Na2SO4) and gypsum (CaSO4 center dot 2H(2)O). A total of 9 effective Th-230 data points, ranging from 492.5 +/- 43.0 ka to 62.0 +/- 11.9 ka, were obtained. The depositional age of the earliest halite layer in the borehole is 592.5-563.0 ka. There were mirabilite deposits in the QB during the cold glacial environment of MIS 6. During MIS 4, the study area desiccated, with mirabilite and halite being deposited. This study suggests that mirabilite is an indicator mineral for the glacial environment in the QB, while halite deposition does not correspond well to glaciation.
WOS关键词LATE QUATERNARY GLACIATION ; CLIMATE-CHANGE ; QINGHAI LAKE ; DRILL CORE ; EVOLUTION ; TIBET ; MAGNETOSTRATIGRAPHY ; CONSTRAINTS ; MOUNTAINS ; HALITE
资助项目National Natural Science Foundation of China[41902190] ; National Natural Science Foundation of China[42003044] ; Geological Survey Project of China[DD20221913] ; Qinghai Geological Exploration Fund[2020021068kc035]
WOS研究方向Geology
语种英语
出版者WILEY
WOS记录号WOS:000874957500017
资助机构National Natural Science Foundation of China ; National Natural Science Foundation of China ; Geological Survey Project of China ; Geological Survey Project of China ; Qinghai Geological Exploration Fund ; Qinghai Geological Exploration Fund ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Geological Survey Project of China ; Geological Survey Project of China ; Qinghai Geological Exploration Fund ; Qinghai Geological Exploration Fund ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Geological Survey Project of China ; Geological Survey Project of China ; Qinghai Geological Exploration Fund ; Qinghai Geological Exploration Fund ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Geological Survey Project of China ; Geological Survey Project of China ; Qinghai Geological Exploration Fund ; Qinghai Geological Exploration Fund
源URL[http://ir.iggcas.ac.cn/handle/132A11/107704]  
专题地质与地球物理研究所_中国科学院新生代地质与环境重点实验室
通讯作者Chen Andong
作者单位1.China Univ Geosci Beijing, Sch Earth Sci & Resources, Beijing 100083, Peoples R China
2.Chinese Acad Geol Sci, Inst Mineral Resources, MNR Key Lab Saline Lake Resources & Environm, Beijing 100037, Peoples R China
3.Qaidam Integrated Geol Explorat Inst Qinghai Prov, Qinghai Prov Key Lab Explorat & Res Salt Lake Res, Golmud 816000, Qinghai, Peoples R China
4.Chinese Acad Sci, Inst Geol & Geophys, Key Lab Cenozo Geol & Environm, Beijing 100029, Peoples R China
推荐引用方式
GB/T 7714		 Gu Jiani,Chen Andong,Liu Jiajun,et al. Connections between Evaporite Deposition and Glacial Periods since the Middle Pleistocene in Salt Lakes in the Western Qaidam Basin, China[J]. ACTA GEOLOGICA SINICA-ENGLISH EDITION,2022,96(5):1704-1715.
APA Gu Jiani,Chen Andong,Liu Jiajun,Han Guang,&Wang Xuefeng.(2022).Connections between Evaporite Deposition and Glacial Periods since the Middle Pleistocene in Salt Lakes in the Western Qaidam Basin, China.ACTA GEOLOGICA SINICA-ENGLISH EDITION,96(5),1704-1715.
MLA Gu Jiani,et al."Connections between Evaporite Deposition and Glacial Periods since the Middle Pleistocene in Salt Lakes in the Western Qaidam Basin, China".ACTA GEOLOGICA SINICA-ENGLISH EDITION 96.5(2022):1704-1715.

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来源：地质与地球物理研究所

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