豊羽鉱山坑内鉱水の成因

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タイトル別名
  • On the Concentration of Fe, Zn, SO<SUB>4</SUB> and some other Ions in Mine Water at Toyoha Mine
  • トヨハ コウザン コウナイ コウスイ ノ セイイン

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抄録

The mine water in Toyoha Mine is remarkably high in contents of Fe, Zn, SO4 and some other ions compared with the other similar kind of mines that produce zincblend, galena and pyrite.<BR>The author attempted to search the cause of this unusually high concentration of ions, by the experiments in which the powdered samples of each ores, were subjected to oxidation by air waterb ottle at varing temperatures.<BR>The pyrite of Toyoha Mine has a high reactivity for oxydation, due to its imperfect crystal structure as confirmed by X-ray difraction pattern.<BR>In the writer's view, the mine water was in the earlier stage a solution of FeSO4 which was yielded from pyrite by its reaction with air and water. In the second stage, the solution became rich in Zn++, as a result of reaction with the zincblend standing in the solution, Fe+++ ion became also rich in the mine water as the oxydation proceeded.

収録刊行物

  • 日本鑛業會誌

    日本鑛業會誌 75 (848), 62-65, 1959

    一般社団法人 資源・素材学会

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