The Features Structural Superimposed Halos of Bairiqili Gold Deposit in Qinghai and Its Deep Prediction
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摘要: 格尔木市白日其利地区金矿体受断裂破碎带控制。赋矿破碎蚀变带构造叠加晕特征研究表明，金矿体具Au、As、Sb、Hg、B、Ag、Cu、Pb、Zn、Bi、Mo、Co、Ni、V、Ti 、W、Sn等多元素组合特点；矿体前缘晕特征指示元素组合As、Sb、Hg、B；近矿晕特征指示元素组合Au、Ag、Cu、Pb、Zn；尾晕特征指示元素组合Bi、Mo、Co、Ni、V、Ti、W、Sn。原生晕轴向分带及特征参数显示出反分带特征，指示矿体深部有延深或有盲矿体存在。在总结构造叠加晕预测标志基础上，建立了盲矿预测的构造叠加晕模型，进一步圈定了深部找矿靶位。Abstract: The Bairiqili gold deposit is controlled by fault fracture zone.The study results of geochemical characteristicsand structural superimposed halo feature for typical gold deposits in the area indicate that the ore deposit is characterized with geochemical combination of Au,As,Sb,Hg, B,Ag,Cu,Pb,Zn, Bi,Mo,Co,Ni,V,Ti, W,Sn.By systematical analysis of axial zoning regularity ofgolddeposit，it shows that indicator elements for forward primary halos are As,Sb,Hg,B,indicator elements for gold orebody for Au,Ag,Cu,Pb,Zn,and tail halo indicator elements areBi,Mo,Co,Ni,V,Ti,W,Sn.On the basis ofsummarizing predication criteria of structural superimposed halo，structural superimposed halo model for prediction of blind orebody inthe depth was established，which will help to delineate the deep prospecting targets.
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Key words:
- gold depositstructural /
- superimposed halos /
- deep prediction /
- Bairiqili Qinghai
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