It even results in geologic hazard;for the mine geologic hazard,the background of physiognomy is the potential factor,while the irrational exploitation is the magistral factor.

矿山灾害的发生，貌背景是诱发的潜在因素，不合理的开采方法是诱发的主导因素，雨和水文条件是激发灾难发生的直接原因。