吉林延边杜荒岭金矿床成矿流体地球化学特征  

Geochemical characteristics of the ore-forming fluids in Duhuangling gold deposit, Yanbian area,Jilin province

作　　者：殷茜[1] 卿敏[2] 朴星海[1] 边红业 程军[4] 张景海[4] 万多[1] 

机构地区：[1]吉林大学地球科学学院 [2]中国人民武装警察部队黄金地质研究所 [3]中国人民武装警察部队黄金第一总队 [4]中国人民武装警察部队黄金第一支队

出　　处：《黄金》2010年第11期16-19,共4页Gold

摘　　要：杜荒岭金矿床产出于石英闪长岩中,矿化类型分爆破角砾岩筒型及放射状裂控蚀变岩型。流体包裹体研究表明,两类矿石石英中主要发育含NaCl子矿物三相、气相—富气相及气液二相等3种类型的原生流体包裹体。测温结果显示,包裹体均一温度总体为256.8～450℃,盐度S(NaCl)为31.9%～44.2%,反映了成矿流体为一类中高温、高盐度不均一的热液体系,具明显的浅成岩浆来源特征。Duhuangling gold deposit is another gold deposit that possesses great exploration promise that discov- ered in Yanbian area,Jilin province in recent years. It occurred in quartz diorite and the mineralization can be classified into explosive breccia pipe type and radiated fault-controlled altered rock type. Fluid inclusion study showed that quartz from the two type ores contained NaCl daughter mineral-bearing three-phase,gaseous or gas-dominated phase and gas-aqueous two-phase primary fluid inclusions. Micro-thermometric study showed that their homogenization temperature ranged between 256. 8 - 450 ℃ and the salinities ranged between 31. 9 % - 44. 2 % . It was revealed that the ore-forming fluid was of a medium to high temperature,high salinity unhomogeneous solution,which mainly came from shallow magmatic intrusions.

关 键 词：杜荒岭金矿床 地质特征 流体包裹体 地球化学 

分 类 号：P618.51[天文地球—矿床学]