云南景谷县大独田铜矿地质特征与成因  

THE GEOLOGICAL FEATURE AND GENESIS OF DADUTIAN CU DEPOSIT IN JINGGU,YUNNAN

作　　者：任明举 肖章程 赵鹏杰 REN Ming-ju;XIAO Zhang-cheng;ZHAO Peng-jie(Puer Xiaokang Mining Company(Ltd),Puer 665000)

机构地区：[1]普洱小康矿业有限公司,云南普洱665000

出　　处：《云南地质》2021年第3期301-306,共6页Yunnan Geology

摘　　要：云南省景谷县大独田铜矿多为隐伏矿体,矿体呈似层状、透镜状赋存于上三叠统小定西组第二段上亚段(T_(3)X^(2-2))岩层中,矿体产状与岩层产状一致;含矿岩性为石英砾岩、岩屑砂岩、复成分砾岩、致密块状玄武岩、火山角砾岩等。成矿物质来源于自地壳深部的含矿热液,矿床成因类型为中-低温火山热液-叠加改造型铜矿床。The orebodies of Dadutian Cu deposit in Puer,Yunnan are mostly buried,which are stratoid,lenticular in Upper Triassic Xiaodingxi Formation Member 2 Upper Sub-Member(T3x22).The orebody occurrence is consistent with that of the rock bed.The ore-bearing rocks are the quartz conglomerate,debris sandstone,composite conglomerate,dense massive basalt,volcanic breccia,etc.The metalloenesis material is derived from the deep ore-bearing hydrothermal fluid.It is a middle-low T hydrothermal-superimposition reformation Cu deposit in genesis.

关 键 词：含矿热液 改造型矿床 云南景谷大独田 

分 类 号：P618.41[天文地球—矿床学]