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Geoscience ›› 2011, Vol. 25 ›› Issue (5): 819-831.

• mineraldeposits and petrology • Previous Articles     Next Articles

Metallogenic System of Copper Polymetallic Deposits in the Middlesouthern Part of Da Hinggan Mountains,China

 ZHANG  Mei1,2, DI  Yu-Sheng1, CHEN  Cun-Li3, LIU  Yong-Hui1,4, YANG  Shuai-Shi1,4, DI  De-Gao1, YAO  Mei-Juan1, WANG  Jian-Beng1, WANG  Shou-Guang2, GAO  Zheng-Xi1,2, ZHANG  Ling5   

  • Received:2011-07-16 Revised:2011-09-04 Online:2011-10-26 Published:2011-11-03

Abstract:

Based on the analysis of regional geological setting, metallogenic characteristics and the study of typical deposits, the spatial distribution, orebedding rocks, related intrusions and mineralization ages of copper polymetallic deposits are summarized in the middlesouthern part of Da Hinggan Mountains. Three metallogenic systems of copper polymetallic deposits, which are Yanshanian porphyry hydrothermal, IndoYanshanian hydrothermal dynamic and Late VariscanYanshanian SEDEX deposition superimposed by late hydrothermal solution, are distinguished by using the method of regional metallogeny. The studies indicate that largescale copper polymetallic deposits in JurassicCretaceous volcanic area should be paid more attention to. Also, prospecting exploration of porphyrytype deposits should be strengthened in the depth and around the known skarntype and hydrothermal veintype deposits.

Key words: copper polymetallic deposit, characteristics of regional metallogeny, metallogenic system, middlesouthern part of Da Hinggan Mountains

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