文档介绍：Bytheyearof2012,Chinahas8557State-^2andgrowsattherateof2%eachyear(LiaoL-P,-J,2012).Theminingindustryhasscoredtremendousachievements,,out-of-dateequipmentandpoortechnologycausehugewasteinproduction,,thewaste-occupiedlandinminingareaaddsupto59thousandkm^2andtheresultingdeforestationareaaddsupto11thousandkm^2(MaX-Q,HuangB-L,2010).,bytheyearof2011,intheminingareaofwesternChina,theSoilerosionareaannuallyincreases20km^,suchaslandslip,collapse,debrisflow,surfacesubsidenceandevenearthquake(CaoF-G,2007).Forexample,(Gibowicz,1999).InChina,therearenearly2000sinkholesandthecollapseareaaddsupto1150km^-ident,whichthre