| Study of Metallogenic Fluid Sources of Five Gold Deposits in Zhangjiakou,China |
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| 作者姓名： | 魏俊浩 刘丛强 |
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| 作者单位： | [1]InstituteofGeochemistry,ChineseAcademyofSciences,Guiyang550002,China [2]InstituteofGeochemistry,ChineseA |
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| 摘 要： | It is very important to define the type and composition of metallogenic fluid in terms of the hydrogen and oxygen isotope data in the study of ore-forming mechanism.In the long past,the method to discriminate metallogenic fluid sources by comparing the δD-δ^18 O diagram with the standard values in not valid when the hydrogen and oxygen isotope values are plotted between the meteoric water line and the magmatic water area.Based on their hydrogen and oxygen isotope information of five gold deposits(Shuijingtun,Xiaoyingpan,Dongping, Zhongshangou and Jinjiazhuang)in the Zhangjiakou area,this paper details the metallogenic fluid sources and presents water/rock ratios in the vie gold deposits and the principle of water/rock exchange.
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| 关 键 词： | 水岩作用 氮同位素 氧同位素 金属矿物流体 金矿床 张家口市 |
Study of metallogenic fluid sources of five gold deposits in Zhangjiakou, China |
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| Junhao Wei,Congqiang Liu,Yanbin Yuan.Study of Metallogenic Fluid Sources of Five Gold Deposits in Zhangjiakou,China[J].Chinese Journal of Geochemistry,2001,20(2):161-166. |
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| Authors: | Junhao Wei Congqiang Liu Yanbin Yuan |
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| Institution: | 1. Institute of Geochemistry, Chinese Academy of Sciences, 550002, Guiyang, China
2. Faculty of Earth Resources, China University of Geoscienecs, 430074, Wuhan, China
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| Abstract: | It is very important to define the type and composition of metallogenic fluid in terms of the hydrogen and oxygen isotope data in the study of ore-forming mechanism. In the long past, the method to discriminate metallogenic fluid sources by comparing the δD-δ18O diagram with the standard values is not valid when the hydrogen and oxygen isotope values are plotted between the meteoric water line and the magmatic water area. Based on their hydrogen and oxygen isotope information on five gold deposits (Shuijingtun, Xiaoyingpan, Dongping, Zhongshangou and Jinjiazhuang) in the Zhangjiakou area, this paper details the metallogenic fluid sources and presents water/rock ratios in the five gold deposits and the principle of water/ rock exchange. |
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