The discovery of uranium and platinum group minerals in the Wangjiazhuang copper deposit, Zouping, Shandong Province, and its geological significance
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    Abstract:

    The Wangjiazhuang copper deposit in Zouping is an important porphyry copper and molybdenum deposit in Shandong Province. It is located in Mesozoic continental volcanic basin in western Shandong. Recently, through the detailed observation under microscope, SEM and EPMA analysis, the uranium mineral and platinum group minerals (PGM) were descovered for the first time in cryptoexplosive breccia type and quartz vein type ores. They include palladium mineral A(AgPdTe2), kotulskite[Pd(Te, Bi)], merenskyite (PdTe2), and zeunerite[Cu(UO2)2(AsO4)2·(10~16)H2O]. PGM generally is wrapped in aikinite with complicated composition and smaller particle size. Zeunerite is accompanied by azurite, covelline and other copper oxides in the oxidation zone. Combined with geochemical data, the authors investigated the ore-forming material sources and mechanism of migration and concentration of platinum group elements (PGE) and U, and concluded that the ore-forming materials were derived from the mantle and the formation of this deposit was related to mantle uplift, crust thinning and deep fault activity. In addition, the migration of PGE and U might have been associated with high salinity hydrothermal solution, and the precipitation conditions should be the gas loss and decomposition of the complex from severe changes of temperature and pressure caused by cryptoexplosive.

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杨德平,刘鹏瑞,迟乃杰,吕振生,舒磊,于雷亨,2016,山东邹平王家庄铜矿铀及铂族元素矿物的发现及地质意义[J].岩石矿物学杂志,35(5):863~876. YANG De-ping, LIU Peng-rui, CHI Nai-jie, L&#; Zhen-sheng, SHU Lei, YU Lei-heng,2016,The discovery of uranium and platinum group minerals in the Wangjiazhuang copper deposit, Zouping, Shandong Province, and its geological significance[J]. Acta Petrologica et Mineralogica,35(5):863~876.

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History
  • Received:May 03,2016
  • Revised:August 05,2016
  • Adopted:
  • Online: September 23,2016
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