地球科学进展 ›› 2014, Vol. 29 ›› Issue (6): 683 -690. doi: 10.11867/j.issn.1001-8166.2014.06.0683

综述与评述 上一篇    下一篇

硅酸盐熔体和流体中金的性质及行为研究进展
王水龙1, 2, 尚林波1, 毕献武1, 樊文苓1   
  1. 1.中国科学院地球化学研究所矿床地球化学重点实验室, 贵州 贵阳 550002; 2.中国科学院大学, 北京 100039
  • 出版日期:2014-06-10
  • 基金资助:

    国家自然科学基金项目“与铜、金成矿有关的大陆富碱岩浆系统氧逸度研究”(编号:40873037); 国家自然科学基金重点项目“哀牢山—金沙江新生代富碱岩浆系统铜、金成矿作用”(编号:41130423)资助

Gold Property in Silicate Melts and Fluids and Its Gold Distribution Behaviors between Melts and Coexisting Fluids

Wang Shuilong1, 2, Shang Linbo1, Bi Xianwu1, Fan Wenling1   

  1. 1. State Key Laboratory of Ore Deposit Geochemistry, Institute of Geochemistry, Chinese Academy of Sciences, Guiyang, 550002,China; 2. University of Chinese Academy of Sciences, Beijing 100039, China)
  • Online:2014-06-10 Published:2014-06-10

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(Na2O+K2O/Al2O3,Na/K,SiO2,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。

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 a 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 we reviewed the problems in experiment and future research on the partitioning of Au between melt and coexsiting fluids.

中图分类号: 

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