Preliminary discussion on regularities of fault development in Malan District

It is preliminarily discussed that the forming mechanics,extend,distribution and development of medium of small scale faults in mining district,based on structure stress analysis and statistic analysis.The results show that in Malan District the medium or small scale faults are dominated,extending mainly in NNE direction,secondly in NW direction.The degree of fault developing is positively related to fold development,extending lenth and fault throw.