…In other words, in the case of nonferrous metals such as copper, lead, and zinc, mining often refers to the production of the metal, but in the case of iron, mining refers to the transportation of the raw material iron ore, and the stage of producing steel from iron ore is called the steel industry, and is not included in mining. Also, the English word "mining" mainly refers to the stages of exploration, mining, and ore dressing, and the process of producing metals using blast furnaces and electric furnaces is usually called smelting, and in Japanese it is called smelting. For example, in the case of aluminum, mining includes the mining of the raw material bauxite, but the stage of producing aluminum from bauxite is called aluminum smelting. … *Some terminology explanations that mention "smelting" are listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
…すなわち,銅,鉛,亜鉛などの非鉄金属では金属の生産までを鉱業という場合が多いが,鉄では原料の鉄鉱石の運搬までが鉱業といわれ,鉄鉱石から鉄鋼を生産する段階は鉄鋼業といわれて,鉱業には含めない。また鉱業にあたる英語のminingということばは,主として探鉱,採鉱,選鉱までの段階を意味し,溶鉱炉や電気炉を用いて金属を生産するプロセスは通常smeltingといい,日本語では製錬業という。例えば,アルミニウムでは原料のボーキサイトの採鉱は鉱業に含まれるが,ボーキサイトからアルミニウムを生産する段階はアルミニウム製錬業といわれる。… ※「smelting」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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