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地球科学进展  2006, Vol. 21 Issue (11): 1171-1179    DOI: 10.11867/j.issn.1001-8166.2006.11.1171
1.海洋沉积与环境地质国家海洋局重点实验室,国家海洋局第一海洋研究所,山东 青岛 266061;2.西北有色地质勘查局712总队,陕西 咸阳 712000 
Advances on Fe Isotope Geochemistry in Marine Environments
Yang Yaomin1,Shi Xuefa1,Liu Jihua1,Wang Liqun2
1.The Key Laboratory of Marine Sedimentology and Environmental Geology, The First Institute of Oceanography, SOA, Qingdao 266061,China; 2.The 712 Team of Northwestern Geoexploration Bureau for Nonferrous Metal Resources, shaanxi Province, Xianyang 712000,China
 全文: PDF(194 KB)  


关键词: 海洋环境Fe同位素分馏系数研究进展    

The chemistry of iron in the oceans plays an important role in controlling primary production and serves a limited micronutrient element for planktons in “biological pump”, and consequently Fe is corresponding potential for regulating global climate by fertilizing the ocean and drawing down atmospheric CO2. In recent years, the development in multi-collector inductively coupled plasma mass spectrometry (MC-ICP-MS) have improved precision for iron isotope measurements, and therefore both the isotope composition of iron and isotope fractionation effects have been proved useful in tracing the processes that control inputs and outputs of Fe in the ocean and paleoceanographic evolution. This review summarizes our present knowledge of iron isotope geochemistry which documents the Fe isotope composition in various Fe reservoirs of marine systems, and the main Fe isotope fractionations produced by reaction between hydrothermal fluids and mid-ocean basalts and between seawater and submarine basalts, and the Fe isotope composition in various stages of ancient marine sedimentary environments. Furthermore, our review shows that Fe isotope occur significant fractionation in marine systems and light Fe isotope have higher removal activity than heavy Fe isotope. Finally, we highlight the fact that determining the Fe isotope fractionation factor among various mineral, various phases and during biochemical cycling will be an important future avenue of research, which will bear on our understanding of isotopic variations of Fe in both ancient and modern marine sedimentary environments.

Key words: Iron isotope    Marine environments    Fractionation factors    Research advances.
收稿日期: 2006-06-20 出版日期: 2006-11-15
:  P736.4+4  


通讯作者: 杨耀民     E-mail:
作者简介: 杨耀民(1969-),男, 陕西蒲城人,副研究员,博士后,主要从事深海成矿作用及同位素地球化学研究
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杨耀民,石学法,刘季花,王立群. 海洋环境Fe同位素地球化学研究进展[J]. 地球科学进展, 2006, 21(11): 1171-1179.

Yang Yaomin,Shi Xuefa,Liu Jihua,Wang Liqun. Advances on Fe Isotope Geochemistry in Marine Environments. Advances in Earth Science, 2006, 21(11): 1171-1179.


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