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Sedimentological and mineralogical records from drill core SKD1 in the Jianghan Basin, Central China, and their implications for late Cretaceous-early Eocene climate change
Teng, XH (Teng, Xiaohua)1,2,3; Fang, XM (Fang, Xiaomin)4,5,6; Kaufman, AJ (Kaufman, Alan J.)7,8; Liu, CL (Liu, Chenglin)9; Wang, JY (Wang, Jiuyi)9; Zan, JB (Zan, Jinbo)4,5; Yang, YB (Yang, Yibo)4,5; Wang, CL (Wang, Chunlian)9; Xu, HM (Xu, Haiming)9; Schulte, RF (Schulte, Ruth F.)10; Piatak, NM (Piatak, Nadine M.)10
Source PublicationJOURNAL OF ASIAN EARTH SCIENCES
2019
Volume182Issue:0Pages:103936
DOI10.1016/j.jseaes.2019.103936
Abstract

The Jianghan Basin, Central China, contains a thick, continuous sequence of early Cenozoic evaporite-bearing deposits that provide a wealth of information about early Cenozoic climate change and evaporites accumulation in East Asia. However, the paleoclimatic history of the basin and its effect on the evaporites are largely unknown. We obtained a deep drill core (SKD1, 2346.5 m long) from the late Cretaceous to early Eocene evaporite-bearing deposits in the Jianghan Basin. Detailed analyses of the lithofacies, mineralogy and geochemistry of the core indicate that salinization and deepening of the lake occurred (corresponding to the Yuyang Formation to the lower Xingouzui Formation), followed by desalting and shallowing (corresponding to the upper Xingouzui Formation). Reconstruction of the spatiotemporal evolution of the evaporites in the Jiangling depression suggests a transition from semi-arid conditions in the late Cretaceous to extremely arid conditions in the initial stage of the Eocene. The climate then became semi-humid during the deposition of the upper Xingouzui Formation, indicating a monsoon or monsoon-like climate in East Asia during the early Eocene. The southward migration of the depocenter of the Jiangling depression, coupled with a warm and extremely arid climate, resulted in the precipitation of evaporites during the accumulation of the upper Shashi Formation and the lower Xingouzui Formation. These results indicate great potential for identifying potash resources within the subsag in the southern Jiangling depression.

Subject AreaGeosciences
WOS IDWOS:000486097300006
Language英语
Indexed BySCI
KeywordJiangling Depression Soil Color Salt Lake Sediments Geochemistry Constraints
WOS Research AreaGeology
WOS SubjectGeosciences, Multidisciplinary
Cooperation Status国际
ISSN1367-9120
Department大陆碰撞与高原隆升重点实验室
URL查看原文
PublisherPERGAMON-ELSEVIER SCIENCE LTD
Citation statistics
Document Type期刊论文
Identifierhttp://ir.itpcas.ac.cn/handle/131C11/9160
Collection图书馆
Corresponding AuthorFang, XM (Fang, Xiaomin)
Affiliation1.Zaozhuang Univ, Dept Tourism Resources & Environm, Zaozhuang 277160, Peoples R China;
2.Lanzhou Univ, MOE Key Lab Western Chinas Environm Syst, Lanzhou 730000, Gansu, Peoples R China;
3.Lanzhou Univ, Coll Earth Environm Sci, Lanzhou 730000, Gansu, Peoples R China;
4.Chinese Acad Sci, CAS Ctr Excellence Tibetan Plateau Earth Sci, Beijing 100101, Peoples R China;
5.Chinese Acad Sci, Inst Tibetan Plateau Res, Beijing 100101, Peoples R China;
6.Univ Chinese Acad Sci, Coll Resources & Environm, Beijing 100049, Peoples R China;
7.Univ Maryland, Dept Geol, College Pk, MD 20742 USA;
8.Univ Maryland, Earth Syst Sci Interdisciplinary Ctr, College Pk, MD 20742 USA;
9.Chinese Acad Geol Sci, Inst Mineral Resources, Minist Land & Mineral Resources China, Beijing 100037, Peoples R China;
10.US Geol Survey, 954 Natl Ctr, Reston, VA 20192 USA.
Recommended Citation
GB/T 7714
Teng, XH ,Fang, XM ,Kaufman, AJ ,et al. Sedimentological and mineralogical records from drill core SKD1 in the Jianghan Basin, Central China, and their implications for late Cretaceous-early Eocene climate change[J]. JOURNAL OF ASIAN EARTH SCIENCES,2019,182(0):103936.
APA Teng, XH .,Fang, XM .,Kaufman, AJ .,Liu, CL .,Wang, JY .,...&Piatak, NM .(2019).Sedimentological and mineralogical records from drill core SKD1 in the Jianghan Basin, Central China, and their implications for late Cretaceous-early Eocene climate change.JOURNAL OF ASIAN EARTH SCIENCES,182(0),103936.
MLA Teng, XH ,et al."Sedimentological and mineralogical records from drill core SKD1 in the Jianghan Basin, Central China, and their implications for late Cretaceous-early Eocene climate change".JOURNAL OF ASIAN EARTH SCIENCES 182.0(2019):103936.
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