| 云南广南县老寨湾金矿地质特征及找矿标志 |
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| 引用本文： | 高李阳,顾雄,吴小梅.云南广南县老寨湾金矿地质特征及找矿标志[J].云南地质,2020(1):71-75. |
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| 作者姓名： | 高李阳 顾雄 吴小梅 |
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| 作者单位： | 云南黄金矿业集团股份有限公司 |
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| 摘 要： | 广南县老寨湾金矿位于滇、黔、桂“金三角”重要成矿区带上,金矿体矿体呈似层状赋存于断层构造破碎带或层间构造破碎带中,构造控矿明显。矿体围岩均为下泥盆统坡松冲组第一段(D1ps1)硅化石英砂岩;矿床成因属中-低温热液叠加改造型金矿床,断层构造、硅化等矿化蚀变及地球化学异常是重要的找矿标志。
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| 关 键 词： | 构造控矿 热液型矿床 找矿标志 云南广南老寨湾 |
THE GEOLOGICAL FEATURE AND PROSPECTING CRITERIA OF LAOZHAIWAN AU DEPOSIT IN GUANGNAN,YUNNAN |
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| GAO LI-YANG,GU Xiong,WU Xiao-mei.THE GEOLOGICAL FEATURE AND PROSPECTING CRITERIA OF LAOZHAIWAN AU DEPOSIT IN GUANGNAN,YUNNAN[J].Yunnan Geology,2020(1):71-75. |
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| Authors: | GAO LI-YANG GU Xiong WU Xiao-mei |
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| Institution: | (Yunnan Au Mining Group(Ltd),Kunming 650299) |
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| Abstract: | Laozhaiwan Au deposit in Guangnan is in the important Dian-Qian-Gui“Au Triangule”metallogenesis zone.The Au orebody is stratoid in the fault structure zone or interlayer structure fracture zone,ore control of structure clear.The Wall rock of orebody is Lower D Posongchong FormationMember 1(D1ps1)silicified quartz sandstone.The deposit is the middle-low T hydrothermal superimposition reformation Au deposit in genesis.The fault structure,silicification,etc metallogenesis alteration and geochemical anomaly are the important prospecting criteria. |
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| Keywords: | Ore Control of Structure Hydrothermal Deposit Prospecting Criteria Laozhaiwan Guangnan Yunnan |
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