Geochemical character and material source of sediments in the eastern Philippine Sea
Xu ZhaoKai1,2,3,4; Li AnChun1; Jiang FuQing1; Xu FangJian1,4
发表期刊CHINESE SCIENCE BULLETIN
ISSN1001-6538
2008-03-01
卷号53期号:6页码:923-931
关键词Sediment Grain-size Rare Earth Elements Discriminant Function Elemental Occurrence Phase Material Source Eastern Philippine Sea
产权排序Chinese Acad Sci, Inst Oceanol, Key Lab Marine Geol & Environm;Kunsan Natl Univ, Dept Oceanog; Chinese Acad Sci, Yantai Inst Coastal Zone Res Sustainable Deva;Chinese Acad Sci, Grad Univ,
通讯作者Li, AC, Chinese Acad Sci, Inst Oceanol, Key Lab Marine Geol & Environm, Qingdao 266071, Peoples R China
作者部门生物资源实验室
英文摘要Based upon analyses of grain-size, rare earth element (REE) compositions, elemental occurrence phases of REE, and U-series isotopic dating, the sediment characteristics and material sources of the study area were examined for the recently formed deep-sea clays in the eastern Philippine Sea. The analytical results are summarized as follows. (1) Low accumulation rate, poor sorting and roundness, and high contents of grains coarser than fine silt indicate relatively low sediment input, with localized material source without long distance transport. (2) The REE Contents are relatively high. Shale-normalized patterns of REE indicate weak enrichment in heavy REE (HREE), Ce-passive anomaly, and Eu-positive anomaly. (3) Elemental occurrence phases of REE between the sediments with and without crust are similar. REE mainly concentrate in residual phase and then in ferromanganese oxide phase. The light REE (LREE) enrichment, Ce-positive anomaly, and Eu-positive anomaly occur in residual phase. Ferromanganese oxide phase shows the characteristics of relatively high HREE content and Ce-passive anomaly. (4) There are differences in each above mentioned aspect between the sediments with and without ferromanganese crust. (5) Synthesizing the above characteristics and source discriminant analysis, the study sediments are deduced to mainly result from the alteration of local and nearby volcanic materials. Continental materials transported by wind and/or river (ocean) flows also have minor contributions.
文章类型Article
收录类别SCI
语种英语
关键词[WOS]RARE-EARTH-ELEMENTS ; NORTH PACIFIC ; OCEAN ; CRUST ; ASIA
研究领域[WOS]Science & Technology - Other Topics
WOS记录号WOS:000254360500016
引用统计
被引频次:20[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.yic.ac.cn/handle/133337/3505
专题海岸带生物学与生物资源利用重点实验室_海岸带生物学与生物资源保护实验室
作者单位1.Chinese Acad Sci, Inst Oceanol, Key Lab Marine Geol & Environm, Qingdao 266071, Peoples R China
2.Kunsan Natl Univ, Dept Oceanog, Kunsan 573701, South Korea
3.Chinese Acad Sci, Yantai Inst Coastal Zone Res Sustainable Dev, Yantai 264003, Peoples R China
4.Chinese Acad Sci, Grad Univ, Beijing 100049, Peoples R China
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Xu ZhaoKai,Li AnChun,Jiang FuQing,et al. Geochemical character and material source of sediments in the eastern Philippine Sea[J]. CHINESE SCIENCE BULLETIN,2008,53(6):923-931.
APA Xu ZhaoKai,Li AnChun,Jiang FuQing,&Xu FangJian.(2008).Geochemical character and material source of sediments in the eastern Philippine Sea.CHINESE SCIENCE BULLETIN,53(6),923-931.
MLA Xu ZhaoKai,et al."Geochemical character and material source of sediments in the eastern Philippine Sea".CHINESE SCIENCE BULLETIN 53.6(2008):923-931.
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