F·D·科伦德博士在“世界黄金开采业”一文的前言中指出,在过去的十年里,经济一直是左右世界黄金开采命运的最重要因素之一.最终于1971年关闭了“黄金橱窗”,其结果引起了黄金价格暴涨,一个新的全球性的寻找新矿源的高潮业已兴起.由于矿石开采品位的下降,可供开采的矿石资源逐渐减少,致使世界黄金产量每况愈下.因此,技术改进和提高效率是唯一出路,出现 In the preface to the World Gold Mining Industry, Dr. D. Collender pointed out that in the past decade, the economy has been one of the most important factors affecting the fate of gold mining in the world, culminating in the closure in 1971 of “ Gold window ”, the result caused the gold price skyrocketing, a new global climax to find a new source of minerals has emerged due to the decline in ore mining grade, availability of ore resources for mining gradually reduced, resulting in the world’s gold production deteriorating.Therefore, Technology improvement and efficiency are the only ways to emerge