| 小秦岭大湖金矿矿床地球化学异常分带模型 |
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| 引用本文： | 黄烽,陈远荣,刘奕志,曾旭,潘能海,肖婷婷,吴森陪.小秦岭大湖金矿矿床地球化学异常分带模型[J].矿产与地质,2016(6):950-954. |
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| 作者姓名： | 黄烽 陈远荣 刘奕志 曾旭 潘能海 肖婷婷 吴森陪 |
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| 作者单位： | 1. 桂林理工大学地球科学学院,广西 桂林,541006;2. 湖南省有色地质勘查局二一四队,湖南 株洲,412007 |
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| 基金项目： | 广西中青年教师基础能力提升项目(KY2016LX130) |
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| 摘 要： | 大湖金矿在构造上位于华北地台南缘中段,是一个石英脉型大型金矿.本文应用格里戈良分带指数法对该金矿8线周围330m、295m、260m三个中段各微量元素和烃类组分含量变化规律以及矿体周围各元素(组分)异常展布特征经行计算分析总结,得出其原生晕分带序列为:烃类、Hg(矿前缘)→As、Sb(矿头)→Au、Ag、Pb、Cu、Ni、Mo、Bi、W(矿中)→Sn、Zn、Co(矿尾),以此为基础建立了该矿床的地球化学异常分带模型,并总结了其地球化学找矿标志.
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| 关 键 词： | 大湖金矿 烃类组分 异常分带模型 小秦岭 |
Geochemical anomaly zoning model in Dahu gold deposit of Xiaoqinling area |
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| Abstract: | Dahu gold deposit is located in middle part of south margin of North China Kraton,and is a large scale typical quartz vein type deposit.In this paper,the variation regularity of trace elements and hydrocar-bon components in 330 m,295 m and 260 m levels around line 8 of Dahu gold deposit in Xiaoqinling area was analyzed by C.B.Gregorian's zoning index method,and the anomalous distribution characteristics of each element around the orebody were analyzed and summarized.The zoning sequence of primary halo can be clas-sified as follows:hydrocarbon,Hg(front halo),As、Sb(head halo)→Au、Ag、Pb、Cu、Ni、Mo、Bi、W(inner ore halo)→Sn、Zn、Co(tail halo).Base on the research,the geochemical anomaly zoning model has been estab-lished and some geochemical prospecting index have been summarized. |
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| Keywords: | Dahu gold deposit hydrocarbons components anomaly zoning model Xiaoqinling area |
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