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Iron isotopic constraints on the origin of peridotite and chromitite in the KIzIldag ophiolite, southern Turkey

文献类型：期刊论文

作者Chen, Chen1,2; Su, Ben-Xun1; Uysal, Ibrahim3; Avci, Erdi3; Zhang, Peng-Fei4; Xiao, Yan1; He, Yong-Sheng5
刊名CHEMICAL GEOLOGY
出版日期2015-12-06
卷号417页码:115-124
关键词Chromite Dunite Fe Isotopes Kizildag Ophiolite Turkey
DOI10.1016/j.chemgeo.2015.10.001
文献子类Article
英文摘要The first data set of high-precision Fe isotopic compositions of olivine, orthopyroxene and chromite from harzburgites, dunites and chromitites from the KIzIldag ophiolite, southern Turkey is reported here. The Fe isotopic compositions of the minerals are variable, with delta Fe-56 ranging from 0.005 parts per thousand to 0.222 parts per thousand in olivine, from -0.005 parts per thousand to 0.024 parts per thousand in orthopyroxene and from -0.214 parts per thousand to 0.072 parts per thousand in chromite. The forsterite contents and delta Fe-56 values of the olivine in the harzburgites and dunites range from 90.5 to 90.9 and from 0.005 parts per thousand to 0.050 parts per thousand, respectively, similar to the values of abyssal peridotites. The Fe isotope variations of the minerals together with petrological features and major elemental compositions, suggest a residual origin for the harzburgites and an accumulation process associated with the dunite formation. The delta Fe-56 of the chromite correlates positively with Fe3+/Fe-total ratio and negatively with FeO content, indicative of correlations with mantle oxygen fugacity and fractional crystallization. Comparisons between the results from the KIzIldag and those from Luobusa ophiolite indicate that these chromitites were most likely formed by the change of oxygen fugacity and magmatic differentiation. (C) 2015 Elsevier B.V. All rights reserved.
WOS关键词PODIFORM CHROMITITES ; LUOBUSA OPHIOLITE ; HATAY OPHIOLITE ; MAGMATIC DIFFERENTIATION ; TECTONIC ENVIRONMENT ; LITHOSPHERIC MANTLE ; OXYGEN FUGACITY ; EASTERN CHINA ; FRACTIONATION ; EMPLACEMENT
WOS研究方向Geochemistry & Geophysics
语种英语
WOS记录号WOS:000365098800010
资助机构Strategic Priority Research Program (B) of the Chinese Academy of Sciences(XDB03010203 ; Strategic Priority Research Program (B) of the Chinese Academy of Sciences(XDB03010203 ; Strategic Priority Research Program (B) of the Chinese Academy of Sciences(XDB03010203 ; Strategic Priority Research Program (B) of the Chinese Academy of Sciences(XDB03010203 ; XDB03010800) ; XDB03010800) ; XDB03010800) ; XDB03010800) ; Strategic Priority Research Program (B) of the Chinese Academy of Sciences(XDB03010203 ; Strategic Priority Research Program (B) of the Chinese Academy of Sciences(XDB03010203 ; Strategic Priority Research Program (B) of the Chinese Academy of Sciences(XDB03010203 ; Strategic Priority Research Program (B) of the Chinese Academy of Sciences(XDB03010203 ; XDB03010800) ; XDB03010800) ; XDB03010800) ; XDB03010800)
源URL[http://ir.iggcas.ac.cn/handle/132A11/62193]  
专题地质与地球物理研究所_岩石圈演化国家重点实验室
作者单位1.Chinese Acad Sci, Inst Geol & Geophys, State Key Lab Lithospher Evolut, Beijing 100029, Peoples R China
2.Univ Chinese Acad Sci, Sch Earth Sci, Beijing 100049, Peoples R China
3.Karadeniz Tech Univ, Dept Geol Engn, TR-61080 Trabzon, Turkey
4.Univ Hong Kong, Dept Earth Sci, Hong Kong, Hong Kong, Peoples R China
5.China Univ Geosci, State Key Lab Geol Proc & Mineral Resources, Beijing 100083, Peoples R China
推荐引用方式
GB/T 7714		 Chen, Chen,Su, Ben-Xun,Uysal, Ibrahim,et al. Iron isotopic constraints on the origin of peridotite and chromitite in the KIzIldag ophiolite, southern Turkey[J]. CHEMICAL GEOLOGY,2015,417:115-124.
APA Chen, Chen.,Su, Ben-Xun.,Uysal, Ibrahim.,Avci, Erdi.,Zhang, Peng-Fei.,...&He, Yong-Sheng.(2015).Iron isotopic constraints on the origin of peridotite and chromitite in the KIzIldag ophiolite, southern Turkey.CHEMICAL GEOLOGY,417,115-124.
MLA Chen, Chen,et al."Iron isotopic constraints on the origin of peridotite and chromitite in the KIzIldag ophiolite, southern Turkey".CHEMICAL GEOLOGY 417(2015):115-124.

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来源：地质与地球物理研究所

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