| 陈发恩,刘建中,杨成富,刘艳,张贞翔,王泽鹏,李俊海,何彦南,陈庆刚,谭代卫,谭礼金.贵州省贞丰县水银洞超大型金矿床地质特征及构造控矿分析[J].贵州地质,2019,36(1):18-27 |
| 贵州省贞丰县水银洞超大型金矿床地质特征及构造控矿分析 |
| Geological Characteristics and Structural Ore Control Analysis of Shu-iyindong Super Large Gold Deposit in Zhenfeng County, Guizhou Province |
| 投稿时间：2018-03-30 |
| DOI： |
| 中文关键词: 金矿 构造控矿分析 地质特征 水银洞 贞丰 贵州 |
| 英文关键词:Gold deposit Ore-controlling structure analysis geological Characteristics Bojitian Zhenfeng Guizhou |
| 基金项目:国家自然科学基金项目(U1812405)、国家重点研发计划“深地资源勘查开采”专项(2017YFC0601500)联合资助。 |
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| 中文摘要: |
| 水银洞超大型金矿位于国家级南盘江-右江成矿区带北部，探明金资源量超过290 t，矿体埋深1501 400 m，为隐伏金矿床。根据水银洞金矿中矿段成矿模式，开展东部大尺度找矿预测，实施深部钻探验证，实现贵州省金矿二度空间找矿重大突破，是理论指导找矿的典范。主要矿体呈层状、似层状及透镜状赋存于茅口组与龙潭组之间的构造蚀变体(SBT)和龙潭组生物碎屑灰岩中，矿床受构造控制明显，灰家堡背斜为主要控矿构造。背斜轴部平缓构造简单地段，矿体只产于SBT中；背斜轴线起伏、倾伏角变化、轴线转向突出、轴面倾斜、隐伏断裂发育等地段，在SBT、P3l、P3c、P3d、T1y1中均有矿体产出，层控矿体主要产出P3l中部，同时有断裂型矿体产出；特别是深部不协调过渡转折地段是金矿体集中产出部位。 |
| 英文摘要: |
| The Shuiyindong super-large gold deposit is located in the north of the Nanpan river-Youjiang river metallogenic belt, more than 290 ton gold resources area prospected, the buried depth of orebody is 1501 400 m and it is concealed gold deposit. According to the Metallogenic mode of Shuiyindong gold deposit, Prospecting prediction, Deep drilling verification found buried depth of 6001 400 m Concealed gold deposit, The main ore bodies are stratiform, stratiform-like and lenticular and occurrence in the altered body of the parallel unconformity area between the Maokou formation and the Longtan formation and the Longtan formation bioclastic limestone. The amount of gold resources exceeds 140 tons, and achieve a major breakthrough in the exploration of the second degree of gold deposit in Guizhou. The deposit is controlled by Structure. The main ore-control structure is Huijiabao anticline. Anticlinal axis is gentle, The structure is simple, the ore body is only produced in it. In the location of the anticlinal axis undulates, dip Angle variation, Line thrust, axial plane tilt and buried fault development, the gold deposit occurs in altered body, P3l, P3C, P3d, T1y1. The Stratabound ore body occurs mainly in the middle parts of P3l, meanwhile the fracture type ore body occurs in its. The special deep uncoordinated transition zone is the concentration oceurren colocations of the gold ore body. Through the analysis and study of ore deposit control structure, summarize ore-controlling regularity,its provide reference for deep metallogenetic prognosis and Ore Exploration of regional gold deposits. |
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