Zircon Geochronology,Geochemistry and Petrogenesis of Granite from the Baimianshi Uranium Ore District in the Southern <?xml:namespace prefix = st1 ns = "urn:schemas-microsoft-com:office:smarttags" /><st1:place w:st="on"><st1:PlaceName w:st="on">Jiangxi</st1:PlaceName> <st1:PlaceType w:st="on">Province</st1:PlaceType></st1:place><?xml:namespace prefix = o ns = "urn:schemas-microsoft-com:office:office" /><o:p></o:p>

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line-level: 2" class=MsoNormal>Zircon Geochronology,Geochemistry and Petrogenesis of Granite from the Baimianshi Uranium Ore District in the Southern Jiangxi Province

详细信息

责任者：Dong Chenyang (State Key Laboratory for Mineral Deposits Research ; School of Earth Sciences and Engineering ; Nanjing University ; Nanjing 210093 ; China) ; Zhao Kuidong
刊名：Geological Journal of China Universities
出版年：2010
卷期：16(2)
关键词：铀矿 ; uranium ores ; 花岗岩 ; granite ; 岩石地球化学 ; lithogeochemistry ; 江西 ; Jiangxi Province
页码：p.149-160
图表：10 illus., 3 tables, 42 refs.
分类号：1001
issnNo：ISSN1006-7493
isbnNo：CN32-1440/P

摘要

The Baimianshi uranium ore district is an important volcanic-hosted uranium district in South China. The uranium ore bodies occur in basalts and sandstones in the Baimianshi volcanic-sedimentary basin. In this study, LA-ICP-MS U-Pb dating of zircons from the Baimianshi granite was made showing an emplacement age of (241±7) Ma. Petrography and geochemistry indicate that the Baimianshi granite belongs to strongly peraluminous S-type. The geochemical characteristics of the Baimianshi granite are similar to those of other uranium-bearing granites in South China.