| 胶东乳山金矿石英中H2O和CO2相对光密度研究 |
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| 引用本文： | 李胜荣 陈光远. 胶东乳山金矿石英中H2O和CO2相对光密度研究[J]. 矿物学报, 1995, 15(1): 97-103 |
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| 作者姓名： | 李胜荣 陈光远 |
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| 作者单位： | 中国科学院矿床地球化学开放研究实验室!贵阳，550002，中国地质大学!北京，100083，中国地质大学!北京，100083，中国地质大学!北京，100083 |
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| 摘 要： | 本文利用时间序列法并首次利用矿物学填图方法研究了石英Ｄｃｏ２和ＤＨ２Ｏ在乳山金矿的时空演变特征。论述了石英ＤＣＯ２和ＤＨ２Ｏ在该金矿两期成矿方案划分中的作用，提示了石英ＤＨ２Ｏ与流体包裹体均一温度有一定的负变关系。探讨了石英ＤＣＯ２和ＤＨ２Ｏ的找矿标志意义，提出了“贫中找富”的新思路。
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| 关 键 词： | 石英 光密度 找矿标志 金矿床 水 二氧化碳 |
A STUDY ON THE RELATIVE OPTICAL DENSITIES OF CO_2 AND H_2O IN QUARTZ FROM RUSHAN GOLD MINE, JIAODONG |
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| Li Shengrong. A STUDY ON THE RELATIVE OPTICAL DENSITIES OF CO_2 AND H_2O IN QUARTZ FROM RUSHAN GOLD MINE, JIAODONG[J]. Acta Mineralogica Sinica, 1995, 15(1): 97-103 |
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| Authors: | Li Shengrong |
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| Abstract: | The relatlve optical densitles of CO2 and H2O in quartz have been studied, revealing that DH2O forms two decreasing cycles and DCO2 forms two low-high-low evolution cycles in the whole oreforming process. This provides strong evidence for the division of two metallogenic periods. The negative correlation between DH2O and Th of fluid inclusions in quartz is worked out. The significance of DCO2 and DH2O as prospecting criteria for gold is also discussed, and a new idea is put forward on rich ore prospecting in a poorly mineralized region. |
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| Keywords: | gold deposit quartz optical density genesis of ore deposit prospecting criteria |
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