豫西南泥湖多金属矿田铅锌矿地质特征与成因研究

豫西南泥湖地区具有闻名于世界的特大型钼矿,通过近几年国土资源大调查工作,在南泥湖钼矿外围发现了矽卡岩型和中低温热液充填型铅-锌矿床,它们成环带状分布于南泥湖钼矿外围。文章重点论述了矽卡岩型和中低温热液充填成因的脉状铅-锌矿地质特征,并对其成因进行了研究,研究认为,上述三者均属于燕山期岩浆期后热液充填、交代成因的多金属矿床,并认为,不同类型矿床既存在一定的差别,同时在时、空上又具有一定的内在联系,共同构成了一个与燕山期中酸性小岩体有关的成矿系列。

Geological characteristics and genesis of Nannihu lead zinc polymetallic ore field in west Henan

There are world famous super large molybdenum deposits in Nannihu area in west Henan province.Skarn and mesothermal-epithermal fluid filled lead-zinc deposits were found outside the molybdenum deposit during recent years' survey of land and resources,which occur in ring belt surrounding the Nannihu molybdenum deposit.In this paper,the author mainly discusses the geological characteristics of skarn and vein type lead-zinc deposits origin in mesothermal and epithermal fluid filling,and has a research on the genesis.The author think the above-mentioned three type of deposits all belong to post-Yanshanian magma hot liquid filled,metasomatic polymetallic deposit.There are certain differences among different types of deposits,while existing internal time-space relationship,which consist a mineralization series associated with Yanshanian small intermediate-acid rock body.