The effect of magmatic activity on hydrothermal venting along the superfast-spreading East Pacific Rise

T. Urabe, E. T. Baker, J. Ishibashi, R. A. Feely, K. Marumo, G. J. Massoth, A. Maruyama, K. Shitashima, K. Okamura, J. E. Lupton, A. Sonoda, T. Yamazaki, M. Aoki, J. Gendron, R. Greene, Y. Kaiho, K. Kisimoto, G. Lebon, T. Matsumoto, K. Nakamura & 10 others A. Nishizawa, Osamu Okano, G. Paradis, K. Roe, T. Shibata, D. Tennant, T. Vance, S. L. Walker, T. Yabuki, N. Ytow

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Abstract

A survey of hydrothermal activity along the superfast-spreading (approximately 150 millimeters per year) East Pacific Rise shows that hydrothermal plumes overlay approximately 60 percent of the ridge crest between 13°50′ and 18°40′S, a plume abundance nearly twice that known from any other ridge portion of comparable length. Plumes were most abundant where the axial cross section is inflated and an axial magma chamber is present. Plumes with high ratios of volatile (3He, CH4, and H2S) to nonvolatile (Mn and Fe) species marked where hydrothermal circulation has been perturbed by recent magmatic activity. The high proportion of volatile-rich plumes observed implies that such episodes are more frequent here than on slower spreading ridges.

Original languageEnglish
Pages (from-to)1092-1095
Number of pages4
JournalScience
Volume269
Issue number5227
Publication statusPublished - Aug 25 1995

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Hydrothermal Vents
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Urabe, T., Baker, E. T., Ishibashi, J., Feely, R. A., Marumo, K., Massoth, G. J., ... Ytow, N. (1995). The effect of magmatic activity on hydrothermal venting along the superfast-spreading East Pacific Rise. Science, 269(5227), 1092-1095.

The effect of magmatic activity on hydrothermal venting along the superfast-spreading East Pacific Rise. / Urabe, T.; Baker, E. T.; Ishibashi, J.; Feely, R. A.; Marumo, K.; Massoth, G. J.; Maruyama, A.; Shitashima, K.; Okamura, K.; Lupton, J. E.; Sonoda, A.; Yamazaki, T.; Aoki, M.; Gendron, J.; Greene, R.; Kaiho, Y.; Kisimoto, K.; Lebon, G.; Matsumoto, T.; Nakamura, K.; Nishizawa, A.; Okano, Osamu; Paradis, G.; Roe, K.; Shibata, T.; Tennant, D.; Vance, T.; Walker, S. L.; Yabuki, T.; Ytow, N.

In: Science, Vol. 269, No. 5227, 25.08.1995, p. 1092-1095.

Research output: Contribution to journalArticle

Urabe, T, Baker, ET, Ishibashi, J, Feely, RA, Marumo, K, Massoth, GJ, Maruyama, A, Shitashima, K, Okamura, K, Lupton, JE, Sonoda, A, Yamazaki, T, Aoki, M, Gendron, J, Greene, R, Kaiho, Y, Kisimoto, K, Lebon, G, Matsumoto, T, Nakamura, K, Nishizawa, A, Okano, O, Paradis, G, Roe, K, Shibata, T, Tennant, D, Vance, T, Walker, SL, Yabuki, T & Ytow, N 1995, 'The effect of magmatic activity on hydrothermal venting along the superfast-spreading East Pacific Rise', Science, vol. 269, no. 5227, pp. 1092-1095.
Urabe T, Baker ET, Ishibashi J, Feely RA, Marumo K, Massoth GJ et al. The effect of magmatic activity on hydrothermal venting along the superfast-spreading East Pacific Rise. Science. 1995 Aug 25;269(5227):1092-1095.
Urabe, T. ; Baker, E. T. ; Ishibashi, J. ; Feely, R. A. ; Marumo, K. ; Massoth, G. J. ; Maruyama, A. ; Shitashima, K. ; Okamura, K. ; Lupton, J. E. ; Sonoda, A. ; Yamazaki, T. ; Aoki, M. ; Gendron, J. ; Greene, R. ; Kaiho, Y. ; Kisimoto, K. ; Lebon, G. ; Matsumoto, T. ; Nakamura, K. ; Nishizawa, A. ; Okano, Osamu ; Paradis, G. ; Roe, K. ; Shibata, T. ; Tennant, D. ; Vance, T. ; Walker, S. L. ; Yabuki, T. ; Ytow, N. / The effect of magmatic activity on hydrothermal venting along the superfast-spreading East Pacific Rise. In: Science. 1995 ; Vol. 269, No. 5227. pp. 1092-1095.
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AU - Urabe, T.

AU - Baker, E. T.

AU - Ishibashi, J.

AU - Feely, R. A.

AU - Marumo, K.

AU - Massoth, G. J.

AU - Maruyama, A.

AU - Shitashima, K.

AU - Okamura, K.

AU - Lupton, J. E.

AU - Sonoda, A.

AU - Yamazaki, T.

AU - Aoki, M.

AU - Gendron, J.

AU - Greene, R.

AU - Kaiho, Y.

AU - Kisimoto, K.

AU - Lebon, G.

AU - Matsumoto, T.

AU - Nakamura, K.

AU - Nishizawa, A.

AU - Okano, Osamu

AU - Paradis, G.

AU - Roe, K.

AU - Shibata, T.

AU - Tennant, D.

AU - Vance, T.

AU - Walker, S. L.

AU - Yabuki, T.

AU - Ytow, N.

PY - 1995/8/25

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