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新疆彩虹铜多金属矿床地质特征及成因探讨
引用本文:苏妤芸,吕新彪,高保明,玛依拉,陈超,李鹏,刘正荣.新疆彩虹铜多金属矿床地质特征及成因探讨[J].矿床地质,2011,30(1):139-148.
作者姓名:苏妤芸  吕新彪  高保明  玛依拉  陈超  李鹏  刘正荣
作者单位:1. 中国地质大学资源学院,湖北,武汉,430074;中国地质大学地质过程与矿产资源国家重点实验室,湖北,武汉,430074
2. 新疆地质矿产局物化探大队,新疆,乌鲁木齐,830000
3. 中国地质大学地质过程与矿产资源国家重点实验室,湖北,武汉,430074
基金项目:本文得到“十一五”国家科技支撑计划重点项目“东天山-北山成矿带整体研究与找矿靶区优选评价(2007BAB25B04)”及新疆地质矿产局物化探大队委托的横向项目“新疆托克逊县彩虹铜铅锌多金属矿床成因、成矿规律与成矿预测研究”的联合资助
摘    要:彩虹铜多金属矿床位于库米什-彩华沟-依格尔达坂多金属成矿带内,具多期成矿特征.早期的火山-沉积成矿作用形成了层状含铜黄铁矿层.第2期热液成矿作用形成了脉状、块状、团块状的铜(铅锌)矿化,氧、氧同位素及流体包裹体研究均显示,在该期矿化过程中,有岩浆流体的参与,结合钨异常及时间证据,认为该期矿化与忠宝岩体的侵入有关,且受N...

关 键 词:地质学  地球化学  热液成矿作用  流体包裹体  矿床成因  彩虹铜多金属矿床  新疆

Geological characteristics and genesis of Caihong Cu-polymetalic deposit in Xinjiang
SU YuYun,L XinBiao,GAO BaoMing,MA YiLa,CHEN Chao,LI Peng,LIU ZhengRong.Geological characteristics and genesis of Caihong Cu-polymetalic deposit in Xinjiang[J].Mineral Deposits,2011,30(1):139-148.
Authors:SU YuYun  L XinBiao  GAO BaoMing  MA YiLa  CHEN Chao  LI Peng  LIU ZhengRong
Institution:SU YuYun1,2,Lü XinBiao1,GAO BaoMing3,MA YiLa1,CHEN Chao2,LI Peng2 and LIU ZhengRong3(1 Resource Department,China University of Geosciences,Wuhan 430074,Hubei,China,2 State Key Laboratory of Geological Processes and Mineral Resources,3 Geophysical and Geochemical Exploration Party,Xinjiang Bureau of Geology and Mineral Resources,Urumqi 830000,Xinjiang,China)
Abstract:The Caihong Cu-polymetallic deposit located in the Kumux-Caihuagou-Yigeerdaban polymetallic ore belt is characterized by multi-stage mineralization. The early volcano-sedimentary metallization formed copper-bearing pyrite bed, and the late hydrothermal mineralization formed veinlike, stockwork or massive copper-lead-zinc ore, controlled by NE-trending structures. Magmatic fluid participated in mineralization of this stage, as shown by O-H isotope and fluid inclusion studies. In combination with tungsten anomaly and time evidence, the authors hold that hydrothermal mineralization was related to Zhongbao granite, whose intrusion occurred in Hercynian period. Ore-forming material probably came from the wall rock. The Caihong ore deposit is genetically of the volcanogene sedimentary-magmatic hydrothermal superposition and reformation type.
Keywords:geology  geochemistry  hydrothermal mineralization  fluid inclusion  genesis  Caihong Cu-polymetallic deposit  Xinjiang  
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