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Chemical state of trace elements and their chemical behavior during sedimentation and diagenesis: proxy for paleoenvironment

Chemical state of trace elements and their chemical behavior during sedimentation and diagenesis: proxy for paleoenvironment
微量元素的化学状态及其在沉积和成岩过程中的化学行为:古环境的代理
批准号:
20540475
负责人:
SHIMIZU Hiroshi
金额:
$2.83万
依托单位:
依托单位国家:
日本
项目类别:
Grant-in-Aid for Scientific Research (C)
财政年份:
2008
资助国家:
日本
项目状态:
已结题
起止时间:
2008 至 2010

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中文摘要
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英文摘要
Chemical state of trace elements such as rare earth elements (REE) and their chemical behavior during sedimentation and diagenesis were studied, in order to examine trace elements in sediments on the geochemical tracer reflecting their sedimentation environments. It is shown on marine sediments that REE incorporated into Mn oxides during sedimentation were released from Mn oxide dissolution during diagenesis, but the released REE were absorbed to phosphate phase such as apatite during the diagenesis. REE patterns in sedimentary rocks are confirmed to inherit their features as a whole through sedimentation and diagenesis and to be an useful geochemical tool reflecting the depositional environment.
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DOI: 10.2343/geochemj.1.0083
发表时间: 2010-10
期刊: Geochemical Journal
影响因子: 0.8
作者: [R. Nakada;Y. Takahashi;G. Zheng;Yuhei Yamamoto;H. Shimizu]
通讯作者: R. Nakada;Y. Takahashi;G. Zheng;Yuhei Yamamoto;H. Shimizu
腐植物質-水酸化鉄共存系における希土類元素の固液分配
腐殖质-氢氧化铁体系中稀土元素的固液分配
DOI: --
发表时间: 2008
期刊:
影响因子: --
作者: [M. Tanimizu, et. al., 高橋淳一, 山本 祐平]
通讯作者: 山本 祐平
DOI: --
发表时间: 2008
期刊: Appl. Geochem. 23
影响因子: --
作者: [Y. Yamamoto, et al.]
通讯作者: et al.
EXAFS study on the cause of enrichment of heavy REEs on bacteria cell surface.
EXAFS研究细菌细胞表面重稀土元素富集的原因
DOI: --
发表时间: 2010
期刊: Geochim. Cosmochim. Acta 74
影响因子: --
作者: [Y.Talahashi, M.Yamamoto, Y.Yamamoto, K.Tanaka]
通讯作者: K.Tanaka
11
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