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Gold Science and Technology ›› 2016, Vol. 24 ›› Issue (5): 19-25.doi: 10.11872/j.issn.1005-2518.2016.05.019

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Analysis on Structure Deformation and Alteration of the Mujicun Cu-Mo Ore Field in Hebei Province

MA Baojun，CHEN Chao，NIU Shuyin，GENG Guojian，ZHANG Fuxiang，ZHANG Jianzhen，SUN Aiqun   

  1. Hebei GEO University，Shijiazhuang   050031，Hebei，China
  • Received:2016-06-28 Revised:2016-08-12 Online:2016-10-28 Published:2016-12-27

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Abstract:

 Mujicun Cu-Mo polymetallic ore field is located in the north Taihang Mountains metallogenic belt，Fuping mantle branch structure and Shanghuangqi-Wulonggou fracture of the composite.Metallogenic potential is tremendous，but the structure is complex，low degree of research.In this study，structure analysis and petrographic analysis of drilling in Mujicun ore field was conducted.Comprehensive analysis and conclude：（1）The same period of porphyry diorite distribution in the region is controlled by NE folds and NNE faults，which developed on its join；（2）In Mujicun ore field，F4 fault is a shovel-type normal fault，which dislocated the regional detachment faults，and communicate deep magma，formed the Mujicun rock mass，which is the main structure of rock-ore controlling；（3）The contact between rock mass and surounding rock is the main migration pathway of ore-bearing fluid，and F4 fault that controlled Xiaoligou，Tieling ore deposite is another migration way；（4）Alteration from inside to outside is divided into strong silicified zone，potassic alteration zone，quartz-sericite alteration zone，strong sericitization and propylitization zone，peripheral is skarn zone，tending to NNW which controlled by faults.

Key words: structure deformation, structure ore-controlling, metallogenic model, alteration analysis, Fuping mantle branch structure

CLC Number: 

  • P618.41

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