| 戴富余,牛英杰.老挝琅勃拉邦省爬奔金矿床矿物学特征及成因[J].矿产勘查,2014,5(3):511-518 |
| 老挝琅勃拉邦省爬奔金矿床矿物学特征及成因 |
| Characters of mineralogy and genesis of Phabon gold deposit in Luang Prabang Province, Laos |
| 投稿时间：2013-11-16 |
| DOI： |
| 中文关键词: 矿石矿物 矿床成因 爬奔金矿床 老挝 |
| 英文关键词: ore minerals genesis of deposit Phabon gold deposit Laos |
| 基金项目:中央地质勘查基金国外矿产资源勘查基金(编号:20100459)资助。 |
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| 中文摘要: |
| 通过光片鉴定和电子探针分析,总结了老挝琅勃拉邦省爬奔金矿床的矿石矿物组成,结构构造,划分了成矿期次。研究表明:矿床中矿石矿物组成简单,硫化物种类极少,仅有少量硫盐矿物出现；分析显示白云石、方解石、菱铁矿、磷灰石、石英以及褐铁矿等与金关系密切；碳酸盐阶段是该矿床的主要成矿阶段,方解石、白云石等脉石矿物是爬奔金矿最主要的载金矿物,其次是石英。结合流体包裹体测试和研究,确定该矿床为受韧性剪切带控制的低硫化型浅成低温热液矿床,该矿床深部有很大的找矿潜力。 |
| 英文摘要: |
| Through the identification of polished section and analysis of electron microprobe, this paper summarizes the ore mineral composition, texture and structure, divides the ore-forming stages of the Phabon gold deposit in Luang Prabang Province of Laos. The research shows that the ore mineral composition is relatively simple, has less sulfide mienrals, only a small amount of sulfosalt minerals. The electric probe analysis indicates that the dolomite, calcite, siderite, apatite, quartz and limonite are closely related to gold particles. The carbonate phase is the main metallogenic stage of the deposit, such gangue minerals as calcite and dolomite are the main gold-bearing minerals, followed by quartz. Combined with the test and research of fluid inclusion, it is concluded that the Phabon gold deposit is an epithermal low sulfidation deposit which is controlled by the ductile shear structure and there is great prospecting potential at the depth of the deposit. |
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