| 河南出岔－乱石沟金矿成矿流体地球化学和矿床成因研究 |
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| 引用本文： | 张明贤,徐九华.河南出岔－乱石沟金矿成矿流体地球化学和矿床成因研究[J].地质找矿论丛,1995,10(4):60-70. |
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| 作者姓名： | 张明贤 徐九华 |
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| 作者单位： | 西南冶金地质研究所, 成都;北京科技大学地质系, 北京 |
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| 摘 要： |
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| 关 键 词： | 金矿床 成矿流体 矿床成因论 地球化学 |
ORE-FORMING FLUID GEOCHEMISTRY AND GENESIS OF THE CHUCHA-LUANSHIGOU GOLD DEPOSIT IN HENAN PROVIVCE OF CHINA |
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| Zhang Mingxian and Xu Jiuhua.ORE-FORMING FLUID GEOCHEMISTRY AND GENESIS OF THE CHUCHA-LUANSHIGOU GOLD DEPOSIT IN HENAN PROVIVCE OF CHINA[J].Contributions to Geology and Mineral Resources Research,1995,10(4):60-70. |
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| Authors: | Zhang Mingxian and Xu Jiuhua |
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| Institution: | Southwest Institute of Metalluargical Geology, Chengdu 610051;Department of Geology, Beijing University of Sciece &Technology |
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| Abstract: | Chucha-Luanshigou gold deposit discovered recently is one of the ore deposits in the Central North Ore Belt of the famous Xiaoqinling Gold Field. Gold-bearing quartz veins are controlled by shear zone. They are distributed in Qiangmayu Group of Archean. Epoch of hydrothermal gold mineralization is further divided into 4 stages. Study on the physical geochemical conditions of fluid inclusions suggest that the deposit is a intermediate-high temperature hypothermal deposit.The stable isotopic data of hydrogene and oxygene and carbon suggest that the fluid of mineralization has characters of magmatic water with the addition of meteoric water. The isotopic composition of sulphur and lead indicate that the material of mineralization was produced by the anatexis of metapyroclastic rocks of Taihua Group, even though its reactivation.mirgration and enrichment is related with granitic activity of Yanshanian. The cluster analysis of alteration wallrock minor elements suggests that Au is closly related to Pb.Ag.Cu, and indicates that Au and Pb are of the same source. |
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