…a colloquial term for surface mining, or open-pit mining, as opposed to underground mining. In English, it is called open-pit mining, open-cast mining, surface mining, etc. A method of extracting ore from exposed deposits at or near the surface. … *Some of the terminology that refers to "open-pit mining" is listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
…露天採掘あるいは露天採掘法の慣用語で,坑内掘りに対する語。英語では,open‐pit mining,open‐cast mining,surface miningなどという。鉱床が地表に露出し,あるいは地表近くにある場合に行われる鉱石の採掘方法。… ※「open-pit mining」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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