| 海南岛三亚小东海岸礁礁坪沉积物的稀土元素分布特征 |
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| 引用本文： | 王月,沈建伟,王旭,杨红强,刘苗苗.海南岛三亚小东海岸礁礁坪沉积物的稀土元素分布特征[J].海洋地质与第四纪地质,2011(5):59-66. |
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| 作者姓名： | 王月 沈建伟 王旭 杨红强 刘苗苗 |
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| 作者单位： | 中国科学院边缘海地质重点实验室中国科学院南海海洋研究所;中国科学院研究生院; |
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| 基金项目： | 国家自然科学基金项目(40976030); 中国科学院南海海洋研究所知识创新工程领域前沿项目(LYQY200806); 广东省自然科学基金(8151030101000015) |
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| 摘 要： | 对海南岛三亚小东海东北岸礁礁坪表面沉积物的稀土元素进行了分析,结果表明,沉积物的∑REE为80.22mg/kg,稀土元素含量球粒陨石标准化分布模式呈现轻稀土富集、重稀土亏损,Eu明显负异常(0.58),Ce无异常,Y/Ho低(27.60)的陆相模式特征.根据小东海礁坪沉积样品稀土元素的空间分布情况可以推测出礁坪珊瑚表面...
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| 关 键 词： | 稀土元素 分布特征 环境意义 岸礁礁坪 三亚小东海 |
REE DISTRIBUTION PATTERN IN THE XIAODONGHAI FRINGING REEF-FLAT SEDIMENTS OFF SANYA,HAINAN ISLAND AND ITS ENVIRONMENTAL IMPLICATIONS |
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| WANG Yue,SHEN Jianwei,WANG Xu,YANG Hongqiang,LIU Miaomiao.REE DISTRIBUTION PATTERN IN THE XIAODONGHAI FRINGING REEF-FLAT SEDIMENTS OFF SANYA,HAINAN ISLAND AND ITS ENVIRONMENTAL IMPLICATIONS[J].Marine Geology & Quaternary Geology,2011(5):59-66. |
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| Authors: | WANG Yue SHEN Jianwei WANG Xu YANG Hongqiang LIU Miaomiao |
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| Institution: | WANG Yue1,SHEN Jianwei1,WANG Xu1,2,YANG Hongqiang1,LIU Miaomiao1,2(1 Department of Marine Geology,South China Sea Institute of Oceanology,CAS Key Laboratory of Marginal Sea Geology,Chinese Academy of Sciences,Guangzhou 510301,China,2 Graduate University of the Chinese Academy of Sciences,Beijing 100049,China) |
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| Abstract: | REE in the sediments of the northeast Xiaodonghai fringing reef-flat off Sanya City,Hainan Island were systematically analyzed using Inductively coupled palsma mass spectrometry(ICP-MS).A high resolution record of rare earth elements(REEs) were obtained.The REE content averages 80.22 mg/kg,and the Chondrite-normalized REE pattern of the reef-flat sediments is characterized by the enrichment of light REE(LREE) and deficiency of heavy REE(HREE),significantly negative Eu,normal Ce and low Y/Ho ratio(27.80).It ... |
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| Keywords: | rare earth elements distribution characteristics environmental significance fringing reef flat Sanya |
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