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Gold Science and Technology ›› 2012, Vol. 20 ›› Issue (5): 40-44.

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Geological Characteristics and Metallogenic Prediction of Typic Gold Deposit in Ertix，Xinjiang

ZHAO Haibin，WEI Dingjun， LIU Xuegang，TIAN Lu，WANG Yong   

  1. No.8 Gold Geological Party of CAPF，Urumqi   830057，Xinjiang，China
  • Received:2012-06-29 Revised:2012-08-01 Online:2012-10-29 Published:2013-04-03

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Abstract:

The Ertix gold belt lies in the southern margin of the Altay area in Xinjiang.It is a larger gold mineralization area in the eastern Junggar.The stratum are mainly clastic rock of the Devonian and Carboniferous，which become the parent stratum in the area.There are frequent magmatic activities in the region，which are based mainly on the acid and neutral acid incursion rocks in the middle and later Variscan.Distribution of volcanic rocks are mainly for linearly basalt，andesite and dacite class in zone.The structure is mainly the deep fault in NW-NWW，which has strong ductile deformation of schistosity，cleavage and mylonitization，and has the character of ductile-brittle shear deformation.All sorts of sequence structure and its crossing area controlled the ore-guided and ore-containing space，and resulted gold deposits stringent located in the fault of NW-NWW and secondary dilatancy space，and the ore is showed the feature of broken alternation and mylonitization that have been dynamic deformation.The ore-forming period include the preconcentration in Devonian to early Carboniferous and in later Carboniferous to Permian.It main occurrence in ductile-brittle and brittle shear crack in space.Gold metallogenic region was dominated by structural ore-controlling characteristics of the selection. It is preferentially filtered gold points which are densely distributed and abnormal concentration area.

Key words: Gold belt, Geological characteristics, Metallogenic prognosis, Ertix, Xinjiang

CLC Number: 

  • P618.51

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