Atlas Copper Mine - Atlas Copper Mine

Japanese: アトラス銅鉱山 - あとらすどうこうざん
Atlas Copper Mine - Atlas Copper Mine

...This method is safe, relatively efficient, and completely minable, but the cost is not so low. Atlas Copper Mine in the Philippines mines porphyry copper deposits on several islands in the central Philippines, and applies the block caving method to one of them, the Carmen ore body (Figure 2). The ore body is divided into large panel blocks, and three level tunnels, the undercut level, the grizzly level, and the transportation level, are excavated at the bottom of each block, 170 to 200 meters below the surface. ...

*Some of the terminology used to refer to "Atlas Copper Mine" is listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

Japanese:

…この方法は安全で,能率も比較的高く,しかも完全に採掘が行える方法であるが,コストはそれほど安くはない。 フィリピンのアトラス銅鉱山はフィリピン中部のいくつかの島で斑岩銅鉱床の採掘を行っているが,そのうちの一つカルメン鉱体に対してはブロックケービング法を適用している(図2)。鉱体を大きなパネルブロックに分割して,各ブロックの底部に当たる地表下170~200mのところにアンダーカット(下透し)レベル,グリズリーレベル,運搬レベルの三つのレベル坑道を開削する。…

※「アトラス銅鉱山」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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