Enrichment mechanisms of rare earth elements in marine hydrogenic ferromanganese crusts

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	Enrichment mechanisms of rare earth elements in marine hydrogenic ferromanganese crusts
	Jiang, XJ (Jiang XueJun); Lin, XH (Lin XueHui); Yao, D (Yao De); Guo, WD (Guo WeiDong)
刊名	SCIENCE CHINA-EARTH SCIENCES
	2011
卷号	54 期号:2 页码:197-203
关键词	rare earth elements hydrogenic ferromanganese crust selective extraction experiment geochemistry combination mechanism
ISSN号	1674-7313
英文摘要	A series of selective extraction experiments were conducted on marine hydrogenic ferromanganese crusts from the seamount near the Line Island to investigate the distribution of rare earth elements (REEs) and the mechanisms of combination between REEs and the hydrogenic ferromanganese crusts. The enrichment of REEs in hydrogenic ferromanganese crusts is attributed mainly to the mineral or oxide/hydroxide of the crust rather than the growth environment. The REEs are present mainly in amorphous ferric oxide/hydroxide rather than in delta-MnO(2). Amorphous ferric oxide/hydroxide preferentially combines free REE(3+), while delta-MnO(2) combines the REE-carbonate complexes in modern seawater. The REEs in seawater are combined more strongly with amorphous ferric oxide/hydroxides than with delta-MnO(2). The positive Ce anomaly in hydrogenic ferromanganese crusts results from the oxidation of soluble Ce(3+) to insoluble Ce(4+) by the actively soluble oxygen of the bottom current rather than by the oxidation of delta-MnO(2).
学科主题	矿床地质
WOS关键词	CENTRAL PACIFIC ; MANGANESE NODULES ; FE OXYHYDROXIDE ; SEAWATER ; ADSORPTION ; OCEAN ; YTTRIUM ; WATER ; COMPLEXATION ; INDICATORS
WOS研究方向	Geology
语种	英语
出版者	SCIENCE CHINA PRESS
WOS记录号	WOS:000286984600004
内容类型	期刊论文
源URL	[http://119.78.100.197/handle/2HKVOGP0/39250]
专题	中国地质调查局
作者单位	Xiamen Univ, Dept Oceanog, Xiamen 361005, Peoples R China
推荐引用方式 GB/T 7714	Jiang, XJ ,Lin, XH ,Yao, D ,et al. Enrichment mechanisms of rare earth elements in marine hydrogenic ferromanganese crusts[J]. SCIENCE CHINA-EARTH SCIENCES,2011,54(2):197-203.
APA	Jiang, XJ ,Lin, XH ,Yao, D ,&Guo, WD .(2011).Enrichment mechanisms of rare earth elements in marine hydrogenic ferromanganese crusts.SCIENCE CHINA-EARTH SCIENCES,54(2),197-203.
MLA	Jiang, XJ ,et al."Enrichment mechanisms of rare earth elements in marine hydrogenic ferromanganese crusts".SCIENCE CHINA-EARTH SCIENCES 54.2(2011):197-203.