黑龙江老柞山金矿床成矿地质条件及找矿远景研究  

Study on ore-forming condition and prospecting potential of Laozuoshan gold deposit

作　　者：赵安生[1] 王洋[1] 卢伟国[1] 

机构地区：[1]黑龙江省老柞山金矿

出　　处：《黄金》2004年第6期20-23,共4页Gold

摘　　要：老柞山金矿床由东、中、西矿带组成 ,东矿带矿体产于麻山群变质岩中 ,中矿带矿体产于海西花岗岩与麻山群的接触带矽卡岩中 ,西矿带矿体产于海西早期花岗岩体内。金矿化以含金 (硫化物 )细网脉、含金蚀变岩两种类型产出。矿床地质、地球化学特征研究表明 ,其形成受麻山群柳毛组碳酸盐地层、北西向压扭性断裂构造及燕山期中酸性岩浆岩综合控制。根据成矿地质条件发育程度、矿化信息与标志特征 ,在矿床外围及深部圈定成矿预测区 6处 ,并对成矿远景进行了评价。Laozuoshan gold deposit locates on southeast edge of Sandaogou volcanic basin of the middle section of Laoye ridge-southeastern side of Huachuan of the middle of Jiamusi upheaval of Jihei fold system.The deposit consists of eastern,center and western ore belt,which respectively hosted in metamorphic rock of Mashan group,skarn in contact zone between granite of early Hercynian and Mashan group,and granite of early Hercynian.Gold mineralization mainly occurred in the form of fine vein of gold bearing sulphides and gold bearing altered rock.Characteristics research of ore deposit geology and geophysics indicates that the deposit was subject to the carbonate strata of Liumao formation of Mashan group,compression and contorted fault structure of north west orientated,and as well as medium acidic igneous rock of Yanshan period.Through analysis of metallogenetic condition,mineralization data and features,6 zones of ore forming prognosis at deep location have been worked out and assessment have been conducted accordingly.

关 键 词：成矿地质条件 找矿远景 老柞山金矿床 

分 类 号：P618.51[天文地球—矿床学]