Research On Geological Environment Of Abandoned Limestone Mine

China is rich in mineral resources and huge reserves.It is one of the few resource countries in the world.With a long history of mining development,the problem of mine geological environment in China is very serious,which is a major hindrance to the social and economic development of our country.As an important mineral resource of China,limestone mining is huge,and the mining scope is extensive,resulting in serious geological environment problems.This paper divided the abandoned limestone mine geological environment problems into three major categories,geological disasters problems,ecological environment problems,landscape destruction problems,analysised of the problems and exploresed the the effects of geological environment problems.Combined with previous case of the geological environment governance of abandoned limestone mine,put forward four step abandoned limestone mine management ideas,determine the abandoned limestone mine geological environment problems,clear governance objectives,formulate the environmental management plan of the abandoned limestone mine,evaluation of the restoration effect of the geological environment of abandoned limestone mine.And put forward the model DSJ,divide it into the geological hazards control module,the ecological environment restoration module,landscape reconstruction module three parts,and expound the main content of each module in detail.Then established the abandoned limestone mine geological environment governance recovery effect evaluation system,using the AHP evaluation index weighting for geological disaster management subsystem,ecological environment management subsystems,effect of landscape reconstruction subsystem and the corresponding secondary index,through comprehensive index method to establish the evaluation model.Combination of xingtai xifengnan abandoned mining area as an example,and the last we made a environment governance recovery effect evaluation,and we get a good result.The proposed of model DSJ puts forward a new idea for the disposal of the abandoned limestone mine,and has some significance for the disposal of the geological environment of the abandoned limestone mine in xingtai area.