我国大中型有色矿山大多始建于50～60年代。经过几十年的开采，许多矿山资源趋于枯竭，正面临闭坑或转产。然而，目前我国在处理与矿山关闭有关的社会、经济和环境问题方面，没有成熟的经验可资借鉴。编者有幸了解到，BHP公司最近成功地关闭了位于加拿大温哥华岛北端的艾兰铜矿 Most of our large and medium-sized non-ferrous mines were built in 1950s-1960s. After several decades of mining, many mine resources tend to be depleted and are facing closure or conversion. However, at present, China does not have mature experience in dealing with the social, economic and environmental problems related to mine closure. The editor was fortunate enough to learn that BHP recently successfully closed the Allan Copper Mine on the northern tip of Vancouver Island, Canada