西太平洋Kocebu海山铁锰结壳稀土元素地球化学特征
西太平洋Kocebu海山铁锰结壳稀土元素地球化学特征
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LIU, Kai and WANG Zhenyan
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Beijing: Marine Geology and Quaternary Geology
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Language
Chinese
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Beijing: Marine Geology and Quaternary Geology
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西太平洋麦哲伦海山区是全球重要的铁锰结壳资源分布区，具有丰富的稀土元素资源潜力。本文对采自麦哲伦海山区Kocebu海山的11个铁锰结壳表层样（＜1 mm）进行稀土元素地球化学研究，探讨其含量特征、成因和影响稀土元素富集的环境因素。结果表明：Kocebu海山铁锰结壳表层样品ΣREY（Rare earth elements and yttrium）平均含量为1 366 mg/kg，低于前人在麦哲伦海山区其他海山以及邻近的马尔库斯–威克海山区的分析结果；样品轻稀土富集和Ce正异常（平均值为1.45）特征以及稀土元素成因图解、配分曲线和分配系数曲线等均表明该海山结壳属于水成成因；海水中稀土元素含量和溶解氧含量是控制结壳生长的关键环境参数，二者在Kocebu海山所在海区的浅水环境中含量较低；结壳ΣRE...
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西太平洋Kocebu海山铁锰结壳稀土元素地球化学特征
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TN_cdi_wanfang_journals_hydzydsjdz202101020
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https://devfeature-collection.sl.nsw.gov.au/record/TN_cdi_wanfang_journals_hydzydsjdz202101020
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ISSN
0256-1492
DOI
10.16562/j.cnki.0256-1492.2020092101
