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滇东南花岗岩与锡、银、铜、铅、锌多金属矿床的成因关系
引用本文:张洪培,刘继顺,李晓波,章霞林.滇东南花岗岩与锡、银、铜、铅、锌多金属矿床的成因关系[J].地质找矿论丛,2006,21(2):87-90.
作者姓名:张洪培  刘继顺  李晓波  章霞林
作者单位:1. 中南大学,地学与环境工程学院,长沙,410083;蒙自矿冶有限责任公司,云南,蒙自,661100
2. 中南大学,地学与环境工程学院,长沙,410083
3. 蒙自矿冶有限责任公司,云南,蒙自,661100
基金项目:中国科学院资助项目,云南省省院省校科技合作项目
摘    要:滇东南锡、银、铅、锌多金属矿床主要分布在个旧、白牛厂、都龙3个矿区,而滇东南较大的3个花岗岩体又分别出露在3个矿区或附近.花岗岩体均形成于燕山晚期,岩石化学、矿物成分相似,富含锡、银、铅、锌、钨、铜等成矿元素.矿床主金属元素组合与岩体之间的距离由远而近出现由锡、钨、(铍、铌、钽)→锡、钨、(铁)、铜、铟→锡、铅、锌、银、铟、(锑)有规律的变化.花岗岩浆是成矿物质来源和成矿热源.岩浆侵入初期使上覆地层隆起产生背斜(凹陷部位成向斜);同时使地层产生一系列裂隙、压性断层或层间断裂;岩浆侵入晚期,这些断层再次活动,表现为张性,岩浆产生的含矿热液沿由其活动所造成的断裂迁移、充填、交代、沉淀而形成矿床.

关 键 词:滇东南  花岗岩  多金属  成因关系
文章编号:1001-1412(2006)02-0087-04
收稿时间:2005-03-16
修稿时间:2006-04-04

RELATIONSHIP OF GRANITES TO TIN,SILVER,COPPER,LEAD,ZINC,POLYMETALLIC DEPOSITS IN SOUTHEASTERN YUNNAN,CHINA
ZHANG Hong-pei,LIU Ji-shun,LI Xiao-bo and ZHANG Xia-lin.RELATIONSHIP OF GRANITES TO TIN,SILVER,COPPER,LEAD,ZINC,POLYMETALLIC DEPOSITS IN SOUTHEASTERN YUNNAN,CHINA[J].Contributions to Geology and Mineral Resources Research,2006,21(2):87-90.
Authors:ZHANG Hong-pei  LIU Ji-shun  LI Xiao-bo and ZHANG Xia-lin
Institution:1. Coll. of Geology and Environ, Central South University, Changsha 410083, China; 2. Mengzi Mining and Metallurgy Co. Ltd., Mengzi 66110, China
Abstract:Three Late Yenshanian granitic intrusions named Gejiu intrusion, Bozhushan intrusion and Laojunshan intrusion in southeastern Yunnan control three super-large and some medium-small polymetallic deposits. Most of the deposits occur in or around granitic intrusions. The intrusions are similar in useful elements of ore deposits. Ore-forming metals maybe mostly derived from the granites. Tin, copper, occurs usually near the contact zone of granites, silver, lead and zinc are always located in the faults formed by intruding of the granitic magma.
Keywords:southeastern Yunnan  granite  polymetallic deposit  genetic relationship
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