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《Geology-geochemistry》 2000-04
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ISOTOPIC CONSTRAINTS ON THE SOURCE OF ORE\|FORMING MATERIALS OF DULONG Sn\|Zn POLYMETALLIC DEPOSIT, YUNNAN

Liu Yuping\ Li Chaoyang (Open Research Laboratory of Deposit Geochemistry, Institute of Geochemistry, Chinese Academy of Sciences, Guiyang 550002) Gu Tuan (Institute of Exploration and Development, Bureau of Liaohe Oil Field, Panjin 124010) Wang Jin  
Isotopic characteristics of the Dulong Sn\|Zn polymetallic deposit suggested that there should be several sources of its ore\|forming material. Ore\|forming metals may be mostly derived from pre\|Cambrian metamorphic rocks and Laojunshan granite. Ore\|forming sulfur may stem chiefly from seawater sulfate and Laojunshan granite. Regional metamorphism also offered some ore\|forming material. The Rb\|Sr isochron age indicated that this deposit had been superimposed by magmatic hydrothermalism in the late stage of the Yanshanian period.\;IsotopiccharacteristicsoftheDulongSn Znpolymetallicdepositsuggestedthatthereshouldbeseveralsourcesofitso
【Fund】: 国家自然科学基金重点项目! (批准号 :4963 3 110 );;“攀登计划”项目 !(编号 :A3 0 -15 );;中关村地区联合测试基金 (批准号 :96K5 1
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