引言在美国华盛顿州西雅图(Seattle)和斯波坎(Spokane)城中间的哥伦比亚河沿岸,座落着一个小镇韦纳契(Wenatchee),它自诩为“世界苹果之都”,而它悠久的黄金开采史可追溯到1880年。在韦纳契城郊外的三个街区,确切地说,在阿萨梅拉(Asamera)新近为其6000万美元投资的坎农地下开采的金矿举行了建成仪式。据估计,坎农金矿(Cannon mine)达产时的黄金生产能力将达5～5.6吨/年(160,000～180,000盎司/年)。坎农矿1985年投产后将成为北美最大的地下开采的金矿,它还将成为北美10个最大的产金者之一。 Introduction On the banks of the Columbia River between Seattle and Spokane, Washington, USA, a small town of Wenatchee boasts itself as the “capital of the world’s apple,” while its longstanding gold Mining history dates back to 1880. Three blocks outskirts of Venčín, to be precise, were recently completed at Asamera, recently for its $ 60 million underground mine in Cannon. It is estimated that the Cannon mine will have a gold production capacity of 5 to 5.6 tons / year (160,000 to 180,000 ounces / year) upon its production. After its commissioning in 1985, the Cannon Mine will become the largest underground gold mine in North America and will become one of the 10 largest gold producers in North America.