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Magmatic oxygen fugacities of porphyry Mo deposits in the East Xing'an-Mongolian Orogenic Belt (NE China) with metallogenic implications
Zhou, Tiancheng1,2,3; Zeng, Qingdong1,2,3; Chu, Shaoxiong1,2; Zhou, Lingli1,2; Yang, Yueheng1,2
2018-10-01
发表期刊JOURNAL OF ASIAN EARTH SCIENCES
ISSN1367-9120
卷号165页码:145-159
摘要The East Xing'an-Mongolian Orogenic Belt (EXOB) in China hosts numerous porphyry Mo deposits that are associated with calc-alkaline granitic intrusions. Here we report the trace-element compositions of zircon grains from 11 intrusions collected from 8 porphyry Mo deposits in the EXOB: the superlarge-sized Daheishan and Luming deposits; the large-sized Aolunhua deposit; the medium-sized Kulitu and Yangchang deposits; and the small-sized Erbadi, Hashitu, and Longtoushan deposits. The results show a positive correlation between the Mo tonnage of each deposit and the zircon Ce4+/Ce3+ ratio of the ore-related intrusions. In addition, the Ce4+/Ce3+ ratio of zircon in ore-related intrusions is much higher than that of the associated barren rocks. The Ce4+/Ce3+ ratios of 300, 200 and 100 of zircon seem to separate the intrusions into superlarge-sized, large-sized, medium-sized and small-sized porphyry Mo deposits, respectively. Oxygen fugacity values of Delta FMQ +2 of ore-related intrusions discriminate the medium-sized to superlarge-sized Mo deposits from the small-sized deposits. The relationship between the scale of mineralization and oxygen fugacity suggests that the oxidation condition of the source magma played a critical role in the development of large-sized and superlarge-sized Mo porphyry systems in the EXOB. The zircon Ce4+/Ce3+ ratios of ore-related intrusions of the EXOB are similar to those of porphyry Cu deposits in the Central Asian Orogenic Belt and the Yulong copper belt, but much lower than those of the Chuquicamata porphyry Cu deposit in Chile.
关键词Porphyry Mo deposit East Xing'an-Mongolian Orogenic Belt Magmatic oxygen fugacity Zircon Ce4+/Ce3+ ratio
DOI10.1016/j.jseaes.2018.04.004
资助者National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Key Research and Development Program of China ; National Key Research and Development Program of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Key Research and Development Program of China ; National Key Research and Development Program of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Key Research and Development Program of China ; National Key Research and Development Program of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Key Research and Development Program of China ; National Key Research and Development Program of China
关键词[WOS]MESOZOIC MOLYBDENUM DEPOSITS ; TRACE-ELEMENT DATA ; ZIRCON U-PB ; OXIDATION-STATE ; INNER-MONGOLIA ; CU DEPOSIT ; GEOCHEMICAL CONSTRAINTS ; NORTHEASTERN CHINA ; WESTERN JUNGGAR ; GANGDESE BELT
语种英语
资助项目National Natural Science Foundation of China[41390443] ; National Key Research and Development Program of China[2017YFC0601306]
资助者National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Key Research and Development Program of China ; National Key Research and Development Program of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Key Research and Development Program of China ; National Key Research and Development Program of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Key Research and Development Program of China ; National Key Research and Development Program of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Key Research and Development Program of China ; National Key Research and Development Program of China
WOS研究方向Geology
WOS类目Geosciences, Multidisciplinary
WOS记录号WOS:000449447300009
出版者PERGAMON-ELSEVIER SCIENCE LTD
引用统计
被引频次:3[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.iggcas.ac.cn/handle/132A11/89449
专题矿产资源研究院重点实验室
通讯作者Zeng, Qingdong
作者单位1.Chinese Acad Sci, Inst Geol & Geophys, Key Lab Mineral Resources, Beijing 100029, Peoples R China
2.Chinese Acad Sci, Inst Earth Sci, Beijing 100029, Peoples R China
3.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
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GB/T 7714
Zhou, Tiancheng,Zeng, Qingdong,Chu, Shaoxiong,et al. Magmatic oxygen fugacities of porphyry Mo deposits in the East Xing'an-Mongolian Orogenic Belt (NE China) with metallogenic implications[J]. JOURNAL OF ASIAN EARTH SCIENCES,2018,165:145-159.
APA Zhou, Tiancheng,Zeng, Qingdong,Chu, Shaoxiong,Zhou, Lingli,&Yang, Yueheng.(2018).Magmatic oxygen fugacities of porphyry Mo deposits in the East Xing'an-Mongolian Orogenic Belt (NE China) with metallogenic implications.JOURNAL OF ASIAN EARTH SCIENCES,165,145-159.
MLA Zhou, Tiancheng,et al."Magmatic oxygen fugacities of porphyry Mo deposits in the East Xing'an-Mongolian Orogenic Belt (NE China) with metallogenic implications".JOURNAL OF ASIAN EARTH SCIENCES 165(2018):145-159.
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