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Analysis of ore-forming structures and study of prospecting direction of Jinhuashan gold deposit area,Zhaoyuan

Qian Jianping1,Wang Ziguo1,2,Sun Tao1,3,Chen Hongyi1(1.College of Earth Science,Guilin University of Technology;2.Coal Geological Bureau of Jiangsu Province;3.Lingshan Gold Mine,Zhaoyuan)  
According to geological investigation in tunnel,map compilation of structure and numerical simulation of tectonic stress field in mineralization period,the type of ore-controlling structure in this area is proposed,which is the echelon tensile fracture belt controlled by Qiansunjia-Wasunjia main faults and its parallel secondary faults.Structural ore-controlling regularity is shown as: the zoning of structure and mineralization in vertical direction,the coincidence of structural opening centre and centre of mineralization enrichment,the preferred direction of near SN and NNE metallogenic structure,the regularity of southeastern tendency and southwestern lateral trending of orebody,and the obvious ore-controlling role of vein rock.On this basis,the next prospecting directions and locations were proposed.
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