云南洱源县塘子边金矿地质特征及矿床成因  

THE GEOLOGICAL FEATURE AND GENESIS OF TANGZIBIAN AU DEPOSIT IN ERYUAN,YUNNAN

作　　者：彭泽建 杨波 PENG Ze-jian;YANG Bo(Yunnan Qianfeng Geoexploration Company(Ltd),Kunming 650051;Baoshan Jinchanghe Mining Company(Ltd),Yunnan Au Group,Baoshan 678001)

机构地区：[1]云南乾峰地质勘查有限公司,云南昆明650051 [2]云南黄金集团保山金厂河矿业有限公司,云南保山678001

出　　处：《云南地质》2020年第4期487-492,共6页Yunnan Geology

摘　　要：云南洱源县塘子边金矿矿体为巨大透镜状赋存于第四系更新统(Qp)松散堆积层中,矿区外围北东向的大断裂及北西向的次级断裂,将富含活化金质的深部源区沟通起来,通过地下流体将活化金聚集到第四系更新统(Qp)松散堆积层中,同时又使原有的金物质在较为合适的温度、压力及地表流体的化学、生物作用下沉淀富集成矿,该金矿成因类型为中-低温热液(改造)型微细粒金矿床。The orebody of Tangzibian Au deposit in Eryuan,Yunnan is megalenticular in Quarternary Pleistocene(Qp)loose accumulation.The NE megafault and NW secondary fault around the orefield conjunct the deep source area with active Au material and aggregate into Qp loose accumulation by the underground fluid and cause the original Au material to precipitate,concentrate metallogenesis under the suitable T,P and chemical,biological activity of surface fluid.It is a middle-low T hydrothermal(reformation)micro-fine grained Au deposit in genesis.

关 键 词：热液型矿床 第四系 松散堆积 云南洱源塘子边 

分 类 号：P618.51[天文地球—矿床学]