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《Geology of Chemical Minerals》 2012-01
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THE SPHALERITE RB-SR ISOTOPIC CHRONOLOGY OF FUZICHONG PB-ZN DEPOSIT

Luo Junhua Zhang Yanhui Zhai Lina Liu Wei Jiang He 1.Wuhan Institute of Geology and Mineral Resources,Wuhan,Hubei,440003,China;2.Institute of Geomechanics,Chinese Academy of Geological Sciences,Beijing,100081,China;3.Fuzichong Pb-Zn Ore,Guangxi Zhuang Autonomous Region,Wuzhou,Guangxi,543100,China  
Fuzichong Pb-Zn deposit is located the southwest section in the Qin-Hang mineralization belt,and Bobai –Cenxi north end of the deep fault zone.The lead-zinc ore body bestow on ordovician in shallow-metamorphic muddy limerock,and is controlled strict with near North North East fault,and contact surface of the rock with stratum.This paper studies of Fuzichong Pb-Zn deposit characteristics and stable isotope studies of single minerals sphalerite,Rb-Sr and sphalerite isotopic dating methods,measured child rushed Pb-Zn deposit metallogenic age of 134.7±3.5Ma;think the formation of deposits and late yanshanian magmatic and tectonic activity.Sulfur,hydrogen and oxygen and strontium isotopic ratio test results showed that initial fuzichong Pb-Zn deposit sources mainly derived from magmatic hydrothermal ore-forming materials provided.
【Fund】: 危机矿山项目办“广西壮族自治区岑溪市佛子冲铅锌矿接替资源勘查项目专题研究”项目(200845009-1)资助完成;; “广西壮族自治区岑溪市佛子冲铅锌矿山矿产预测”项目(200545050)
【CateGory Index】: P618.4;P597
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