Active spreading and hydrothermalism in North Fiji Basin (SW Pacific). Results of Japanese French Cruise Kaiyo 87

Jean Marie Auzende, Eiichi Honza, Xavier Boespflug, Satendra Deo, Jean Philippe Eissen, Jun Hashimoto, Philippe Huchon, Junichiro Ishibashi, Yo Iwabuchi, Philip Jarvis, Masato Joshima, Kiyoyuki Kisimoto, Yasuto Kuwahara, Yves Lafoy, Tsuyoshi Matsumoto, Jean Pierre Maze, Kiyohiko Mitsuzawa, Hiroyasu Monma, Takeshi Naganuma, Yukihiro NojiriSuguru Ohta, Kiyoshi Otsuka, Yoshihisa Okuda, Hélène Ondreas, Akira Otsuki, Etienne Ruellan, Myriam Sibuet, Manabu Tanahashi, Takeo Tanaka, Tetsuro Urabe

研究成果: Contribution to journalArticle査読

22 被引用数 (Scopus)

抄録

The aim of the Japanese-French Kaiyo 87 cruise was the study of the spreading axis in the North Fiji Basin (SW Pacific). A Seabeam and geophysical survey allowed us to define the detailed structure of the active NS spreading axis between 16° and 22° S and its relationships with the left lateral motion of the North Fiji Fracture Zone. Between 21° S and 18°10′ S, the spreading axis trends NS. From 18°10 S to 16°40 S the orientation of the spreading axis changes from NS to 015°. North of 16°40′ S the spreading axis trends 160°. These two 015° and 160° branches converge with the left lateral North Fiji fracture zone around 16°40′ S to define an RRFZ triple junction. Water sampling, dredging and photo TV deep towing give new information concerning the hydrothermal activity along the spreading axis. The discovery of hydrothermal deposits associated with living communities confirms this activity.

本文言語英語
ページ(範囲)269-283
ページ数15
ジャーナルMarine Geophysical Researches
12
4
DOI
出版ステータス出版済み - 11 1 1990
外部発表はい

All Science Journal Classification (ASJC) codes

  • 海洋学
  • 地球物理学
  • 地球化学および岩石学

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