冬瓜(gua)山銅(tong)(tong)礦是銅(tong)(tong)陵有色(se)金屬集團(tuan)股份有限公司下屬的一座(zuo)采選聯合骨干(gan)礦山,地(di)處享譽中國古銅(tong)(tong)都美稱的銅(tong)(tong)陵市(shi)東陲,地(di)理位置優(you)越,礦區北鄰(lin)寧銅(tong)(tong)鐵路(lu),東接蕪大高速公路(lu),西(xi)臨長江通(tong)道(dao),南(nan)毗(pi)黃(huang)山、九華山景點,交通(tong)十分(fen)便捷。
冬瓜(gua)山(shan)銅(tong)(tong)(tong)礦的前身獅(shi)子山(shan)銅(tong)(tong)(tong)礦,籌建于1958年(nian),1966年(nian)建成投產。2004年(nian)5月,獅(shi)子山(shan)銅(tong)(tong)(tong)礦更名為冬瓜(gua)山(shan)銅(tong)(tong)(tong)礦,現有職工2514人。建礦51年(nian)來,已累(lei)計為國(guo)家(jia)生產銅(tong)(tong)(tong)料26萬噸,黃金5000千克,白銀162000千克。為中國(guo)銅(tong)(tong)(tong)工業的振興(xing)和發展做出(chu)了應有的貢(gong)獻。
冬瓜山(shan)銅礦(kuang)床埋藏深(shen)度超過千米,屬特大(da)型高硫銅礦(kuang)床。礦(kuang)體(ti)埋深(shen)-690m~-1007m,水(shui)平(ping)走向為(wei)1810m,最大(da)寬度882m,最小寬度204m,均厚約40m,為(wei)緩傾斜層狀礦(kuang)體(ti)。采(cai)礦(kuang)方法為(wei)大(da)直徑深(shen)孔(kong)階段空場嗣后充填(tian)法和扇形(xing)中深(shen)孔(kong)階段空場嗣后充填(tian)法,設(she)計(ji)采(cai)礦(kuang)生產能力為(wei)1萬t/d。
冬瓜(gua)山工(gong)程(cheng)項目(mu)于(yu)1997年(nian)(nian)12月(yue)報國(guo)(guo)家(jia)計劃委員會(hui)批準立項,工(gong)程(cheng)項目(mu)為(wei)國(guo)(guo)家(jia)“九五(wu)”重(zhong)點(dian)項目(mu),安徽省(sheng)“861”工(gong)程(cheng)項目(mu),計劃投(tou)資(zi)16.74億元,礦(kuang)山采用地(di)下開(kai)采方式,建設規模為(wei)13000噸/日采選(xuan)生產(chan)能力(li),礦(kuang)山服務年(nian)(nian)限為(wei)28年(nian)(nian)。工(gong)程(cheng)項目(mu)于(yu)2001年(nian)(nian)1月(yue)正(zheng)式開(kai)工(gong),于(yu)2004年(nian)(nian)10月(yue)投(tou)入重(zhong)負荷(he)聯(lian)動試(shi)車,2007年(nian)(nian)10月(yue)通過(guo)國(guo)(guo)家(jia)安全(quan)監督總局的安全(quan)驗收(shou)。