上北鉱山における露天掘

DOI Web Site Web Site

書誌事項

タイトル別名
  • The Open Pit Mining at Kamikita Mine
  • カミキタ コウザン ニ オケル ロテンボリ

この論文をさがす

抄録

Tne limonite doposits in Kamikita mine are consists of two types of ores, one may be regards oxidation of black-ore; the other may be secondary precipitated from ground water pass through the black-ore bodies.<BR>Open pit mining was open in 1956 and about 150, 000 tons of are were produced.<BR>By the reasons of heavy snow falls and cold weather in winter, anual operating times are only 5 months.(from June to Oct.) On 1959 some mechanization, such as power-shovel, bulldozers, and dump-trucks, were introduced into mining. After then mining expense is cutting downward.

収録刊行物

  • 日本鑛業會誌

    日本鑛業會誌 76 (868), 663-665, 1960

    一般社団法人 資源・素材学会

詳細情報 詳細情報について

問題の指摘

ページトップへ