Earth Science Frontiers ›› 2011, Vol. 18 ›› Issue (3): 261-267.

• Article • Previous Articles     Next Articles

ReOs dating of molybdenites from Getingkeng molybdenum deposit of Southern Jiangxi Province and its geological significance.

  


  1. 1. China University of Geosciences(Wuhan)， Wuhan 430074， China
    2. Center of Exploration and Development of Geology and Mineral Resources of Jiangxi Province， Nanchang 330030， China
    3. National Research Center of Geoanalysis， Beijing 100037， China
  • Received:2010-11-08 Revised:2010-12-07 Online:2011-05-22 Published:2011-05-20

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Abstract:

Located in the inside and outside contact zone of granite porphyry, the Getingkeng molybdenum deposit is a mediumsized porphyry deposit in southern Jiangxi Province. ReOs isotopic dating of 7 molybdenite samples from the mineralized quartz veins of Getingkeng deposit has yielded a precise isochron age of (1594±16) Ma and a weighted average model age of (1588±13) Ma. The intercept of isochron is (0001±0055)ng/g, and the MSWD is 17. Getingkeng molybdenum deposit formed in the MidLate Middle Jurassic, the mineralization age corresponds to the second mineralization stage (170150 Ma) in the Late Jurassic of South China, consistent with the tungstentin mineralization around 160 Ma within the region. South molybdenum mineralization occurred in a row of 16590 Ma.

Key words: Getingkeng molybdenum deposit, molybdenite, Re-Os isotope, Southern Jiangxi Province

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