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  4. 岩石圈演化国家重点实验室
Two kinds of authigenic xenotime overgrowths in response to an Early Paleozoic tectonothermal event in South China

文献类型：期刊论文

作者Lan, Zhongwu1,2; Li, Xian-Hua1,3; Sano, Yuji2; Takahata, Naoto2; Kagoshima, Takanori2; Zhang, Shujing1,3; Zhang, Gangyang4; Liao, Xin1; Tang, Xu5; Gu, Lixin5
刊名JOURNAL OF ASIAN EARTH SCIENCES
出版日期2019-04-01
卷号172页码:423-442
ISSN号1367-9120
关键词Hydrothermal xenotime and rutile South China SIMS Pb-Pb/U-Pb ages Major element REE and trace elements Transmission electron microscopy
DOI10.1016/j.jseaes.2018.10.005
英文摘要This study has documented two kinds of xenotime overgrowths from the Cryogenian-Ediacaran sedimentary rocks in South China. The identical tetragonal dipyramidal structures prompted one type of xenotime to overgrow detrital zircon grains, whereas the other type coexists with rutile crystals. SIMS Pb-Pb, NanoSIMS, EPMA, and TEM imaging analyses suggest these xenotime overgrowths, together with their rutile substrate could be of hydrothermal origin; formed by means of percolating fluids leaching ilmenite and REE(Y) bearing silicate minerals. Iron, Ti, and REE(Y) ions leached in this way were combined with O, S, and P anions to precipitate rutile, xenotime, iron oxides, and pyrite in other pore spaces. Such fluid induced activities were probably induced by the ca. 460-390 Ma Wuyi-Yunkai Orogeny in South China. The most important finding is that the rutile-xenotime assemblage was precipitated almost simultaneously, rendering a dissolution-reprecipitation process impossible. Absence of dissolution margins on detrital zircons suggest detrital Fe-Ti oxides are more prone to be leached by fluids than zircon grains, probably because the latter has more stable chemical properties.
WOS关键词EDIACARAN LANTIAN FORMATION ; NW AUSTRALIA IMPLICATIONS ; PB ZIRCON AGES ; U-PB ; DIAGENETIC XENOTIME ; METASEDIMENTARY ROCKS ; SEDIMENTARY-ROCKS ; KIMBERLEY GROUP ; CONSTRAINTS ; GEOCHEMISTRY
资助项目National Science of Foundation of China[41673016] ; Chinese Academy of Sciences[XDB18030300] ; Japanese Society for the Promotion of Science Fellowship[15F15330]
WOS研究方向Geology
语种英语
出版者PERGAMON-ELSEVIER SCIENCE LTD
WOS记录号WOS:000459837500027
资助机构National Science of Foundation of China ; National Science of Foundation of China ; National Science of Foundation of China ; National Science of Foundation of China ; Chinese Academy of Sciences ; Chinese Academy of Sciences ; Chinese Academy of Sciences ; Chinese Academy of Sciences ; Japanese Society for the Promotion of Science Fellowship ; Japanese Society for the Promotion of Science Fellowship ; Japanese Society for the Promotion of Science Fellowship ; Japanese Society for the Promotion of Science Fellowship ; National Science of Foundation of China ; National Science of Foundation of China ; National Science of Foundation of China ; National Science of Foundation of China ; Chinese Academy of Sciences ; Chinese Academy of Sciences ; Chinese Academy of Sciences ; Chinese Academy of Sciences ; Japanese Society for the Promotion of Science Fellowship ; Japanese Society for the Promotion of Science Fellowship ; Japanese Society for the Promotion of Science Fellowship ; Japanese Society for the Promotion of Science Fellowship ; National Science of Foundation of China ; National Science of Foundation of China ; National Science of Foundation of China ; National Science of Foundation of China ; Chinese Academy of Sciences ; Chinese Academy of Sciences ; Chinese Academy of Sciences ; Chinese Academy of Sciences ; Japanese Society for the Promotion of Science Fellowship ; Japanese Society for the Promotion of Science Fellowship ; Japanese Society for the Promotion of Science Fellowship ; Japanese Society for the Promotion of Science Fellowship ; National Science of Foundation of China ; National Science of Foundation of China ; National Science of Foundation of China ; National Science of Foundation of China ; Chinese Academy of Sciences ; Chinese Academy of Sciences ; Chinese Academy of Sciences ; Chinese Academy of Sciences ; Japanese Society for the Promotion of Science Fellowship ; Japanese Society for the Promotion of Science Fellowship ; Japanese Society for the Promotion of Science Fellowship ; Japanese Society for the Promotion of Science Fellowship
源URL[http://ir.iggcas.ac.cn/handle/132A11/90889]  
专题地质与地球物理研究所_岩石圈演化国家重点实验室
通讯作者Lan, Zhongwu
作者单位1.Chinese Acad Sci, Inst Geol & Geophys, State Key Lab Lithospher Evolut, Beijing 100029, Peoples R China
2.Univ Tokyo, Atmosphere & Ocean Res Inst, Chiba 2778564, Japan
3.Univ Chinese Acad Sci, Coll Earth Sci, Beijing 100049, Peoples R China
4.Chengdu Univ Technol, Coll Earth Sci, Chengdu 610059, Sichuan, Peoples R China
5.Chinese Acad Sci, Inst Geol & Geophys, Electron Microscopy Lab, Beijing 100029, Peoples R China
6.Chinese Acad Sci, Inst Geol & Geophys, EPMA & SEM Lab, Beijing 100029, Peoples R China
推荐引用方式
GB/T 7714		 Lan, Zhongwu,Li, Xian-Hua,Sano, Yuji,et al. Two kinds of authigenic xenotime overgrowths in response to an Early Paleozoic tectonothermal event in South China[J]. JOURNAL OF ASIAN EARTH SCIENCES,2019,172:423-442.
APA Lan, Zhongwu.,Li, Xian-Hua.,Sano, Yuji.,Takahata, Naoto.,Kagoshima, Takanori.,...&Mao, Qian.(2019).Two kinds of authigenic xenotime overgrowths in response to an Early Paleozoic tectonothermal event in South China.JOURNAL OF ASIAN EARTH SCIENCES,172,423-442.
MLA Lan, Zhongwu,et al."Two kinds of authigenic xenotime overgrowths in response to an Early Paleozoic tectonothermal event in South China".JOURNAL OF ASIAN EARTH SCIENCES 172(2019):423-442.

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来源：地质与地球物理研究所

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