Further occurrence of brown ores in Kuroko-type deposits in Japan

Akira Imai, Osamu Ishizuka, Ryoichi Yamada, Hiroshi Miyamoto

研究成果: ジャーナルへの寄稿記事

3 引用 (Scopus)

抄録

The occurrence of so-called brown ore from the Kuroko-type deposits in Japan was examined. Brown ore specimens from the Kannondo, Inarizawa, Matsumine, Fukazawa, Uchinotai, Kosaka (orebody unknown) and Nurukawa deposits have been found in the ore collection stored by Dowa Mining Co. Ltd. and the subsidiary companies. In addition, occurrences from the Fukazawa, Matsumine, Ezuri, Shakanai, and Ginzan deposits were previously reported. The brown ore is characterized by its color and by its higher Ag concentration (up to around 2,400 g/t) than ordinary black ores. This type of ore occurs commonly in the Kuroko-type deposits in Japan, whereas its extent is limited. The brown ore is a type of Au-rich massive sulfide ore formed in submarine hydrothermal system.

元の言語英語
ページ(範囲)263-268
ページ数6
ジャーナルResource Geology
51
発行部数3
DOI
出版物ステータス出版済み - 9 1 2001
外部発表Yes

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Ores
Deposits
ore
Sulfides
massive sulfide
hydrothermal system
Color
Industry

All Science Journal Classification (ASJC) codes

  • Geology
  • Geochemistry and Petrology

これを引用

Further occurrence of brown ores in Kuroko-type deposits in Japan. / Imai, Akira; Ishizuka, Osamu; Yamada, Ryoichi; Miyamoto, Hiroshi.

:: Resource Geology, 巻 51, 番号 3, 01.09.2001, p. 263-268.

研究成果: ジャーナルへの寄稿記事

Imai, Akira ; Ishizuka, Osamu ; Yamada, Ryoichi ; Miyamoto, Hiroshi. / Further occurrence of brown ores in Kuroko-type deposits in Japan. :: Resource Geology. 2001 ; 巻 51, 番号 3. pp. 263-268.
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