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PALEO-PROTEROZOIC BLACK ROCK SERIES-RELATED Cu-Co-Ni DEPOSITS OF PLATINUM-GROUP ELEMENT GEOCHEMISTRY OF ORE GENESIS AND RESEARCH IN LAOLING AREA OF JILIN PROVINCE

Zhang Yong1 Feng Zuohai1 Wang Weixing2 Yan Qiankun1 Yu Kaipeng1 1.College of Earth Sciences,Guilin University of Technology,Guilin,Guangxi,541004,China 2.Shenzhen Geological Prospecting Bureau,Shenzhen,Guangdong,518001,China  
The geochemical characteristics of platinum group elements Genesis about The deposit of Cu-Co-Ni which have the relation of black rock series of Paleo-proterozoic,laoling area of jilin province.The contents of platinum group elements(PGE)and Trace Element of six patterns in two deposits were determined using ICP-MS analysis.and high richments of Au-PGE might result from mixing of hot bittern seawater sediments and normal seawater sediements,instead of the platinum elements coming from exo-terrestrial materials.Solutions.two deposits has genesis of submarine exhalative deposition,sueperimposed by late thermal solutions.
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