硅酸盐熔体和流体中金的性质及行为研究进展
Gold Property in Silicate Melts and Fluids and Its Gold Distribution Behaviors between Melts and Coexisting Fluids
查看参考文献79篇
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文摘
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岩浆演化过程中岩浆—流体阶段发生的相转变过程控制了元素在两相之间的分配行为。作为与岩浆热液活动有密切成因联系的金矿床,其在硅酸盐熔体和流体中的性状及两相间的分配行为是控制该类矿床成矿的重要物理化学因素。介绍了金在流体、熔体中的性状,论述了其在流体/硅酸盐熔体间的分配行为不仅受温度、压力、氧逸度等物理化学条件的影响,还受流体组分(阴离子、阳离子)、熔体组成(Na_2O + K_2O/Al_2O_3,Na /K,SiO_2,NBO/T)的制约;最后对目前实验研究存在的问题、改进方法以及今后的研究方向进行了探讨。 |
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其他语种文摘
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Porphyry deposit is a kind of important ore deposit. Phase transition of Magma-Fluid stage in magma evolution controls the element distribution between different phases. Gold distribution between melts and coexisting fluids is an important key to the metallogenic mechanism of porphyry deposits. The distribution of gold between different phases is not only controlled by temperature,pressure,oxygen fugacity,but also influenced by the content of fluids and composition of melts. Finally,the authors reviewed the problems in experiment and future research on the partitioning of Au between melt and coexsiting fluids. |
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来源
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地球科学进展
,2014,29(6):683-690 【核心库】
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关键词
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金
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流体/熔体相
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流体
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分配系数
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实验研究
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地址
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中国科学院地球化学研究所, 矿床地球化学国家重点实验室, 贵州, 贵阳, 550002
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语种
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中文 |
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文献类型
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综述型 |
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ISSN
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1001-8166 |
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学科
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地质学 |
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基金
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国家自然科学基金
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国家自然科学基金重点项目
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文献收藏号
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CSCD:5179148
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