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Three Dimensional Quantitative Characteristics of Fault Structures in Gaosong Ore Field,Gejiu

Shang Beichuan,Chen Jianping,Zheng Xiao,Rong Jinghui,Yan Qiong,Wu Zhao   

  1. School of Earth Sciences and Resources/ Institute of High and New Techniques Applied to Land Resources, China University of Geosciences, Beijing100083, China
  • Received:2012-12-26 Online:2013-09-26 Published:2013-09-26

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Abstract:

The 3D quantitative analysis of fault structures can be applied to ore prospecting researches in Gaosong ore field, Gejiu. Firstly, the special ore-prospecting model is proposed, after the analysis and summary of the former researches on metallogenic characteristics in Gejiu. Then, the solid models of important geologic bodies and faults, are built to be displayed and utilized by using 3D visualization technology. Finally, based on the 3D models, regional geological background and ore-prospecting model, the analysis of tectonic intersection and central symmetry degree which are typical quantitative tectonic information, are obtained by block modeling technology. Based on the comprehensive analysis of tectonic intersection, central symmetry degree and geologic body characteristics, the result reveals the deep-seated metallogenic characteristics and indicates that mineralization is favored at the overlapping location between east-west and northeast structures, and also in the surroundings where fault-rooted rocks stands out. The conclusion corroborates the geological background and ore-prospecting model.

Key words: quantitative analysis of fault structure, three dimensional computer graphics, block model, central symmetry degree, ore field, Gaosong,Gejiu

CLC Number: 

  • P548
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