Secondary Enrichment and Microscopic Intergrowth of Copper Ores from the Akayama Mine, Yamagata Prefecture, Japan

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概要

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• The Akayama mine, situated at Honjo-mura, Minami-murayama-gun, Yamagata-ken, Japan has an epithermal impregnation and net-work deposit of copper and iron sulphide with Tertiary tuff and liparite as country rocks. The deposit has been remarkably subjected to secondary enrichment and oxidation, and various stages of the mineral change undergone can be clearly observed. Especially, some very interesting relations in the transmutation and mineral paragenesis occasioned in the course of the secondary enrichment has been revealed, which the authers has outlined in the following.

• 東北大学の論文

著者

• TAKEUCHI Tsunehiko

  The Research Institute of Mineral Dressing and Metallurgy

• Nambu Matsuo

  The Research Institute Of Mineral Dressing And Metallurgy

関連論文

• Effect on Some Ammonium Salts on the Flotation of Iron Sulphide Minerals
• Studies on the Treatment of Complex Sulphide Ores from Yonaihata Mine, Fukushima Prefecture. II : Flotation Experiments and Discussion
• Studies on the Treatment of Complex Sulphide Ores from Yonaihata Mine, Fukushima Prefecture. I : Occurrence and Nature of the Ore
• Secondary Enrichment and Microscopic Intergrowth of Copper Ores from the Akayama Mine, Yamagata Prefecture, Japan
• Studies on the Hydrated Iron Oxides. IV : Iron Oxide Minerals Altered from Magnetite by Weathering
• A Research on the Treatment of Complex Sulphide Ores. II : On the Degree of Liberation of Ores
• Studies on the Hydrated Iron Oxides. II : Hydrated Ferric Oxide Minerals Altered from Pyrrhotite by Weathering

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