云南都龙锡锌矿床中伴生铟的赋存状态与成因  

THE OCCURRENCE STATE AND GENESIS OF ASSOCIATED IN OF DULONG SN-ZN DEPOSIT,YUNNAN

作　　者：朱悦彰 柏杨 陆蕾 ZHU Yue-zhang;BAi Yang;LU Lei(College of Land Resource Engineering,Kunming University of Technology and Science,Kunming 650093;Yunnan Institute of Geological Survey,Kunming 650051;Metallogenesis and Resource Assessment Key Lab of Natural Resource Ministry,Institute of Mineral Resources of China Academy of Geological Sciences,Beijing 100037)

机构地区：[1]昆明理工大学国土资源工程学院,云南昆明650093 [2]云南省地质调查院,云南昆明650051 [3]自然资源部成矿作用与资源评价重点实验室,中国地质科学院矿产资源研究所,北京100037

出　　处：《云南地质》2020年第4期498-505,共8页Yunnan Geology

摘　　要：都龙锡锌矿是云南省典型的伴生铟的锡石-硫化物多金属矿床。通过对矿区曼家寨矿段含铟矿石的研究,可知都龙锡锌矿床中的In并不是以独立矿物的形式存在,而是主要赋存于铁闪锌矿中,以离子替代的方式进入富铟矿物的晶格中。In的含量与Sn、与Zn的富集呈正相关关系;In的富集受岩浆岩作用、构造作用和围岩作用影响;同时铟本身的成矿专属性也是铟富集的原因。Dulong Sn-Zn deposit is a typical cassiterite sulfide multimetallic deposit with associated In in Yunnan.According to the study on In-bearing ore of Manjiazhai ore block in the orefield,we have determined the In of Dulong Sn-Zn deposit isn t occurred in independent form,but mainly in ferrian sphalerite,and into the lattice of In-rich mineral in ion metasomatism.The In content is in normal correlation with Sn,Zn concentration.The In concentration is affected by magmatic rock,structure and wall rock.And the In metallogenesis specialization is also the origin of In concentration.

关 键 词：矽卡岩型矿床 铟元素 赋存状态 云南都龙 

分 类 号：P618.82[天文地球—矿床学]