...In the case of copper, the cost of developing a new overseas mine was said to be $1 to $1.5 per pound in 1984, about twice the domestic price of copper bullion in the United States that year. Due to the drastic price fluctuations of nonferrous metals and the high risk of exploration, Japanese nonferrous metal mining (refining) companies have transformed themselves into custom smelters that do not have mines domestically, but import all ore on the international market and refine it. In order for Japan to secure a stable supply of nonferrous metal resources from an international perspective in the future, it is necessary to (1) improve loan conditions for exploration and promote overseas mine development by expanding the subsidy system for new deposit exploration, and (2) actively promote domestic mine development. ... *Some of the terminology that refers to "Custom Smelter" is listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
…ちなみに銅の場合,海外新規鉱山の開発コストは84年時点で1~1.5ドル/ポンドといわれるが,同年の銅地金のアメリカ国内価格の約2倍である。 非鉄金属の激しい価格変動,リスクの大きい探鉱事業のため,日本の非鉄金属鉱業(精錬)会社は,国内に鉱山をもたずに,鉱石をすべて国際市場で輸入し,精錬するカスタム・スメルターに変身していった。今後,国際的見地から日本が非鉄金属資源の安定供給を確保するためには,(1)探鉱に関する融資条件の改善,新鉱床探査補助制度の拡充による海外鉱山開発の促進,(2)国内鉱山開発の積極的推進が必要である。… ※「カスタム・スメルター」について言及している用語解説の一部を掲載しています。 出典|株式会社平凡社世界大百科事典 第2版について | 情報 |
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