A Kuroko-type polymetallic sulfide deposit in a submarine silicic caldera

K. Iizasa, R. S. Fiske, O. Ishizuka, M. Yuasa, J. Hashimoto, J. Ishibashi, J. Naka, Y. Horii, Y. Fujiwara, A. Imai, S. Koyama

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Abstract

Manned submersible studies have delineated e large and actively growing Kuroko-type volcanogenic massive sulfide deposit 400 kilometers south of Tokyo in Myojin Knoll submarine caldera. The sulfide body is located on the caldera floor at a depth of 1210 to 1360 meters, has an area of 400 by 400 by 30 meters, and is notably rich in gold and silver. The discovery of a large Kuroko-type polymetallic sulfide deposit in this arc-front caldera raises the possibility that the numerous unexplored submarine silicic calderas elsewhere might have similar deposits.

Original languageEnglish
Pages (from-to)975-977
Number of pages3
JournalScience
Volume283
Issue number5404
DOIs
Publication statusPublished - Feb 12 1999
Externally publishedYes

All Science Journal Classification (ASJC) codes

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    Iizasa, K., Fiske, R. S., Ishizuka, O., Yuasa, M., Hashimoto, J., Ishibashi, J., Naka, J., Horii, Y., Fujiwara, Y., Imai, A., & Koyama, S. (1999). A Kuroko-type polymetallic sulfide deposit in a submarine silicic caldera. Science, 283(5404), 975-977. https://doi.org/10.1126/science.283.5404.975