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Gold Science and Technology ›› 2016, Vol. 24 ›› Issue (6): 1-7.doi: 10.11872/j.issn.1005-2518.2016.06.001

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Structural Characteristics and Its Ore-controlling Role of the Beibo Gold Deposit in Jiaodong Area

NIU Shuyin 1,2,SUN Aiqun1,LIU Xiaohuang3,ZHANG Jianzhen1,ZHANG Fuxiang1,CHEN Chao1, MA Baojun1,HOU Jianglong1   

  1. 1.Hebei GEO University,Shijiazhuang    050031,Hebei,China;
    2.Key Laboratory of Gold Mineralization Processes and Resource Utilization Subordinated to the Ministry of Land and Resources,Ji’nan    250013,Shandong,China;
    3.No.7 Gold Geological Party of CAPF,Yantai    264004,Shandong,China
  • Received:2016-07-01 Revised:2016-09-07 Online:2016-12-28 Published:2017-01-22

Abstract:

Fault is the main ore-controlling structure of hydrothermal type deposit.The Zhaoyuan-Pingdu fault zone has experienced tectonic evolution process of brittle-ductile to ductile-brittle,becoming the main ore-controlling structure in Jiaodong area,and showed metallogenic belts controlled by the regional tectonic,ore field tectonics control ore deposit,structure of mining area to control the ore body,intense deformation fractured zone controlled the veins.the ore-forming materials are mainly derived from the deep source,even from the core mantle boundary.Under the control of temperature,pressure and other physical and chemical conditions,the ore-bearing fluid of deep-seated is gradually moving upward through the multiple evolution of the mantle plume.When reached fracture strength will lead to the hydraulic fracturing,and rapid penetration to favorable structural sites,such as ductile brittle to brittle ductile shear zone,intrusive mass inside and outside contact zone,dense structure of fracture belt,a variety of vein rock and wall rock contact zone gathering mineralization.The comparison study between the Beibo and the Laixi gold mine once again confirms this understanding,which has a good reference for guiding the deep geological prospecting.

Key words: mineralization, ore-controlling structure, metallogenic regularity, prospecting direction, Jiaodong area

CLC Number: 

  • P618.51

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