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Tracing crustal evolution by U-Th-Pb, Sm-Nd, and Lu-Hf isotopes in detrital monazite and zircon from modern rivers

文献类型：期刊论文

作者Liu, Xiao-Chi1,2; Wu, Yuan-Bao1; Fisher, Christopher M.3,4; Hanchar, John M.3; Beranek, Luke3; Gao, Shan1; Wang, Hao2
刊名GEOLOGY
出版日期2017-02-01
卷号45期号:2页码:103-106
ISSN号0091-7613
DOI10.1130/G38720.1
文献子类Article
英文摘要Detrital zircon U-Pb age and Hf isotope studies are useful for identifying the chemical evolution of the continental crust. Zircon, however, is typically a magmatic mineral and thus often fails to document the timing of low-grade metamorphism, and its survival through multiple sedimentary cycles potentially biases the crustal evolution record toward older events. In contrast, monazite typically records metamorphic events and is less likely to survive sedimentary recycling processes, thus providing information not available by zircon. Here, we demonstrate that monazite apparently faithfully records the Sm-Nd isotope composition of the bulk rock and can therefore track the record of crustal evolution and growth, similar to Hf isotopes in zircon. We examine the utility of detrital zircon and monazite for studies of crustal evolution through a comparison of age and tracer isotope information using sediments from two large rivers draining the South China block (SCB). Monazite and zircon grains yield mostly Mesozoic and Paleozoic U-Pb ages and depleted mantle model age peaks at ca. 1900-1300 Ma, indicating that both minerals preserve similar, yet critical, information on the crustal evolution of the catchment area. In contrast, zircon yields abundant Neoproterozoic and older U-Pb ages with a very large spread of model ages, preserving a history strongly skewed to older ages. Based on the lack of known rocks of this age in the catchments, ancient zircon was likely sourced from sedimentary rocks within the catchment area. This combined data set presents a more complete history of crustal evolution and growth in the SCB and demonstrates the advantages of an integrated approach that includes both detrital monazite and zircon.
WOS关键词CENTRAL CHINA ; TECTONIC EVOLUTION ; ICP-MS ; PROVENANCE ; RECORD ; EVENTS ; BELT ; GEOCHRONOLOGY ; SANDSTONES ; ROCKS
WOS研究方向Geology
语种英语
WOS记录号WOS:000396124600006
出版者GEOLOGICAL SOC AMER, INC
资助机构National Natural Science Foundation of China(2015CB856106 ; National Natural Science Foundation of China(2015CB856106 ; Natural Sciences and Engineering Research Council of Canada ; Natural Sciences and Engineering Research Council of Canada ; 41573047 ; 41573047 ; 41625008) ; 41625008) ; National Natural Science Foundation of China(2015CB856106 ; National Natural Science Foundation of China(2015CB856106 ; Natural Sciences and Engineering Research Council of Canada ; Natural Sciences and Engineering Research Council of Canada ; 41573047 ; 41573047 ; 41625008) ; 41625008) ; National Natural Science Foundation of China(2015CB856106 ; National Natural Science Foundation of China(2015CB856106 ; Natural Sciences and Engineering Research Council of Canada ; Natural Sciences and Engineering Research Council of Canada ; 41573047 ; 41573047 ; 41625008) ; 41625008) ; National Natural Science Foundation of China(2015CB856106 ; National Natural Science Foundation of China(2015CB856106 ; Natural Sciences and Engineering Research Council of Canada ; Natural Sciences and Engineering Research Council of Canada ; 41573047 ; 41573047 ; 41625008) ; 41625008)
源URL[http://ir.iggcas.ac.cn/handle/132A11/53098]  
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Wu, Yuan-Bao
作者单位1.China Univ Geosci, State Key Lab Geol Proc & Mineral Resources, Fac Earth Sci, Wuhan 430074, Peoples R China
2.Chinese Acad Sci, Inst Geol & Geophys, State Key Lab Lithospher Evolut, Beijing 100029, Peoples R China
3.Mem Univ Newfoundland, Dept Earth Sci, St John, NF A1B 3X5, Canada
4.Univ Alberta, Dept Earth & Atmospher Sci, Edmonton, AB T6G 2E3, Canada
推荐引用方式
GB/T 7714		 Liu, Xiao-Chi,Wu, Yuan-Bao,Fisher, Christopher M.,et al. Tracing crustal evolution by U-Th-Pb, Sm-Nd, and Lu-Hf isotopes in detrital monazite and zircon from modern rivers[J]. GEOLOGY,2017,45(2):103-106.
APA Liu, Xiao-Chi.,Wu, Yuan-Bao.,Fisher, Christopher M..,Hanchar, John M..,Beranek, Luke.,...&Wang, Hao.(2017).Tracing crustal evolution by U-Th-Pb, Sm-Nd, and Lu-Hf isotopes in detrital monazite and zircon from modern rivers.GEOLOGY,45(2),103-106.
MLA Liu, Xiao-Chi,et al."Tracing crustal evolution by U-Th-Pb, Sm-Nd, and Lu-Hf isotopes in detrital monazite and zircon from modern rivers".GEOLOGY 45.2(2017):103-106.

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来源：地质与地球物理研究所

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