| 山东招平断裂带大磨曲家金矿床流体包裹体初步研究 |
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| 引用本文： | 杨立强,邓军,张静,王庆飞,高帮飞,周应华,郭春影,江少卿.山东招平断裂带大磨曲家金矿床流体包裹体初步研究[J].中国科技期刊研究,2007,23(1):153-160. |
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| 作者姓名： | 杨立强 邓军 张静 王庆飞 高帮飞 周应华 郭春影 江少卿 |
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| 基金项目： | This work was financially supported by the National Natural Science Foundation of China （No.40572063 ）, the Fostering Plan Fund for Beyond-Century Excellent Talent and the Key Project of Science and Technology Research of the Ministry of Education （ No. 03178） and Fund of State Key Laboratory of Geological Processes and Mineral Resources, China University of Geosciences （No. GPMR0529）. |
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| 摘 要： | The Damoqujia gold deposit, discovered recently and located in the north of Zhaoping fault zone, is a large altered rock type deposit. In this paper, we report the preliminary research results of the fluid inclusions and discuss its metallogenic implications. The homogenization temperatures of fluid inclusions fall into four ranges： 310 ～350℃, 230 ～270℃, 160 ～ 200℃ and 110 ～ 150℃ ; corresponding to the four stages of hydrothermal ore～forming processes ： coarse grain pyrite～milk white quartz stage （ I ）, smoky gray Au～bearing quartz～fine grain pyrite stage （ 11 ） , Au～bearing polymetallic sulfide～quartz stage （ III ） , and quartz～carbonate stage （ IV ）. Ore～forming fluid is with low salinity and low density, ranging from 1.4 WtNacl% to 13.6 WtN～cl% and from 0.48g/cm～ to 1.03g/cm～ respectively. The inclusions are dominated by H20 and CO2 in gaseous compositions, and Na ＋ and K ～ in positive ions, SO～～ and CI ～ in negative ions of liquid compositions. Au～S complex is the major form for transportation of gold. The pressure varied from 260MPa to 340MPa during the formation of CO2～bearing inclusions at the early mineralization; the fluids are rich in SO～～ and Na ＂. The pressure is 26 ～49 ～ 105 Pa during the formation of the aqueous salt inclusions in late mineralization, the inclusions are rich in CI～ （ F～ ）, Na～. ～$18Oqu～,zis 10. 64 ～ 12.68%0, and the corresponding ～518 OH2o and ～＆D is -5.44 ～ 6.47%0 and -95.52 ～ 106.48%o respectively. Based on the studies about compositions and hydrogen and oxygen isotopes of inclusions, it is evidenced that ore-forming fluid is magmatic hydrothermal fluid in early period, but affected by meteoric water in late.
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| 关 键 词： | 山东 招平断裂带 大磨曲家金矿床 流体包裹体 |
| 修稿时间： | 7/6/2006 12:00:00 AM |
Preliminary studies of fluid inclusions in Damoqujia gold deposit along Zhaoping fault zone, Shandong province, China |
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| YANG LiQiang, DENG Jun, ZHANG Jing, WANG QingFei, GAO BangFei, ZHOU YingHua, GUO ChunYing, JIANG ShaoQing.Preliminary studies of fluid inclusions in Damoqujia gold deposit along Zhaoping fault zone, Shandong province, China[J].Chinese Journal of Scientific and Technical Periodicals,2007,23(1):153-160. |
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| Authors: | YANG LiQiang DENG Jun ZHANG Jing WANG QingFei GAO BangFei ZHOU YingHua GUO ChunYing JIANG ShaoQing |
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| Institution: | 1. State Key Laboratory of Geological Processes and Mineral Resources, China University of Geoscicnces, Beijing 100083, China; 2. Key Laboratory of Lithosphere Tectonics and Lithoprobing Technology of Ministry of Education, China University of Geosciences, Beijing 100083, China |
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| Abstract: | |
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| Keywords: | Damoqujia gold ore deposit Fluid inclusion Zhaoping Fault Zone Jiaodong gold province China |
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