GEOCHEMICAL CHARACTERISTICS AND ORE EXPLORATION ORIENTATIONS OF THE Pb-Zn DEPOSITS IN THE BAOSHAN METALLOGENIC BELT
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摘要: 地质-地球化学背景分析表明,保山成矿带铅锌矿成矿条件好,找矿潜力大。通过对主要大、中型铅锌矿床的地质-地球化学特征及其成矿规律的研究,提出保山成矿带铅锌矿具有“四带四层楼三类型”特征,为区域铅锌矿床地质-地球化学预测研究提供了理论依据。综合分析了4个主要铅锌异常带的特点,建立了综合信息找矿模式,探讨了找矿有利地段及主攻矿床类型,为下一步铅锌矿产勘查工作提供了依据。Abstract: Geological and geochemical background analysis shows that the Baoshan metallogenic belt has favorable metallogenic condi-tions and prospecting potential.Based on probing into the geological-geochemical characteristics and ore-forming regularity of the main large-size and medium-size Pb-Zn deposits,the authors put forward a"four zones,four storeys and three types"characteristics of Pb-Zn mineralization in the Baoshan metallogenic belt,which provides theoretical basis for geological-geochemical prognosis of regional Pb-Zn deposits.Based on analyzing the characteristics of four main Pb-Zn anomaly zones,this paper establishes prospecting models of the comprehensive information.The favorable zones for exploration and major types of ore deposits are pointed out,which is helpful to fur-ther ore-prospecting work.
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