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老挝那乌东金矿床地质特征及找矿潜力分析
- 李小飞|刘国荣|肖淳|闫常魁|赵辉|林英昌
- 作者单位：
- 中国黄金集团地质有限公司|中国黄金集团地质有限公司|中国黄金集团地质有限公司|中国黄金集团地质有限公司|中国黄金集团地质有限公司
基金项目：
- 老挝万象省那乌东矿区勘查项目（2014-SC-LWWX-HT005）
详细信息：
- 作者简介：
- 李小飞（1987—），男，四川南充人，工程师，从事固体矿产勘查工作；北京市朝阳区红军营南路瑞普大厦C座10层C1003室，中国黄金集团地质有限公司，100012；E-mail：547256298@qq.com
- 通讯作者：
- isnull
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Geological characteristics and prospecting potentials analysis of Nawudong Gold Deposit,Laos
- English Author：
- Geological Corporation of China Gold Group|Geological Corporation of China Gold Group|Geological Corporation of China Gold Group|Geological Corporation of China Gold Group|Geological Corporation of China Gold Group|Geological Corporation of China Gold Group
- Unit：
- 摘要
- 在线预览
- 参考文献
摘要:
那乌东金矿床位于墨江—黎府晚古生代—早中生代金铜铅锌成矿带上。矿体赋存于北东向韧—脆性剪切带及北西向—北北西向张性控矿断裂中，矿体类型主要为残坡积红土型、构造蚀变岩型、构造破碎带型，围岩蚀变主要有硅化、黄铁矿化、方解石化及次生褐铁矿化、高岭土化、孔雀石化等。通过与墨江—萨纳坎一带的典型矿床对比，认为那乌东金矿床为浅成中低温热液破碎蚀变岩型金矿床。综合分析认为，那乌东金矿区Ⅳ矿段，Ⅱ、Ⅴ矿段已发现矿体的走向和倾向方向，Ⅰ矿段深部具有良好的找矿潜力。
关键词:
地质特征；找矿潜力；成矿模式；找矿标志；那乌东金矿床
Abstract:
Nawudong Gold Deposit in Laos is located in the Mojiang-Lifu Late Paleozoic-Early Mesozoic Au-Cu-Pb-Zn metallogenic belt.The ore bodies occur in NE-rending ductile-brittle shear zone and NW-NNW-trending tensional ore-controlling faults.The ore body types mainly include residual laterite type,structural altered rock type and structural fractured belt type.The wall rock alteration mainly include silicification,pyritization,calcilization and secondary ferritization,kaolinization,malachitization and so on.By comparison with the typical deposits in Mojiang-Sanakan area,it is considered that Nawudong Gold Deposit is a hypabyssal medium-low temperature hydrothermal fractured altered rock type gold deposit.Comprehensive analysis thinks there are great prospecting potentials in Ⅳ ore section,along the strike and inclination of the ore bodies found in Ⅱ and Ⅴ ore sections,and the deep part of Ⅰ ore section of Nawudong Gold District.
Keywords:
geological characteristics;prospecting potential;metallogenic mode;prospecting indicator;Nawudong Gold Deposit
