某铅锌矿床地质特征及深部找矿预测

Geological Characteristics and Deep Prospecting Prediction of a Lead-zinc Ore Deposit

铅锌矿是陕西较有远景并具特色的优势矿种,通过对凤太矿田中某铅锌矿床地质特征、背斜控矿、富集规律、找矿标志等控矿因素的总结,结合深部探矿工程和地球物理、地球化学工作取得的进展及成果,系统分析960 m标高以下深部矿体的层控与时空、古地理与构造控矿、倾伏规律、岩相和围岩蚀变标志等规律,认为其西延深部具较大的找矿潜力,为下一步的勘查工作指明了方向。

Lead-zinc mine is a promising and dominant mineral in Shaanxi Province.On the basis of ore controlling factors, such as geological characteristics, ore controlling anticline, enrichment regularity and prospecting marks of lead -zinc deposit in Fengtai ore field, the stratabound and space-time, palaeogeography and tectonic ore control, plunging law, lithofacies and rock altera-tion marks of the deep ore body under the elevation of 960 m were analyzed systematically combined with the obtained achievements of engineering practice of deep exploration, geophysical and geo-chemical exploration.The results showed that the west deep part has great potential for prospecting, and the direction of exploration work in next stage was pointed out.