| 焦家金矿床成矿流体运移的通道、方式及驱动机制 |
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| 关键词:trend surface analysis migration channel way migration style driving force fluid Jiaojia |
| 基金项目:国土资源部科技项目“构造作用下流体的运移及物理化学效应”(编号:992027); 中国地质科学院地质力学研究所基本科研业务费项目“成岩成矿深度构造校正测算研究”(编号:DZLXJK200702) |
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| The Channel Way, Style and Driving Mechanism of Ore Fluid Migration in the Jiaojia Gold Deposit |
| The fluid conduction system is an important component part of the metallogenic research.Based on geological studies of the Jiaojia gold mine and trend surface analysis,the authors investigated the channel way and direction of ore fluid migration in this mine and,on such a basis,analyzed the style and driving force for fluid migration.It is held that the formation and spatial distribution of ore bodies were controlled by the fault fluid conduction system,and that the ore fluid moved on the whole from southwest upward and laterally.As the shatter degrees of rocks in the faulted structural zone were different in different positions,the porosities and rates of percolation were also different in different places,which affected the migration style of the fluid.The authors consider that the driving force of fluid migration was mainly caused by additional static water pressure resulting from structures,and that the upward intrusion of the anatectic magma accelerated the fluid migration. |
| GUO Tao,DENG Jun,LÜ Gu-xian,SUN Zhi-fu.2008.The Channel Way, Style and Driving Mechanism of Ore Fluid Migration in the Jiaojia Gold Deposit[J].Acta Geoscientica Sinica,29(1):81-88. |
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