Hydrothermal fluid geochemistry at the Iheya North field in the mid-Okinawa Trough: Implication for origin of methane in subseafloor fluid circulation systems

Kawagucci, Shinsuke; Chiba, Hitoshi; Ishibashi, Jun; Yamanaka, Toshiro; Toki, Tomohiro; Muramatsu, Yasuyuki; Ueno, Yuichiro; Makabe, Akiko; Inoue, Kazuhiro; Yoshida, Naohiro; Nakagawa, Satoshi; Nunoura, Takuro; Takai, Ken; Takahata, Naoto; Sano, Yuji; Narita, Taku; Teranishi, Genta; Obata, Hajime; Gamo, Toshitaka

doi:10.2343/geochemj.1.0105

Public

Hydrothermal fluid geochemistry at the Iheya North field in the mid-Okinawa Trough: Implication for origin of methane in subseafloor fluid circulation systems

Shared by NobleBlocks on Jan 1, 2011 • 12:00 AM UTC

Authors:

Shinsuke Kawagucci

Hitoshi Chiba

Jun Ishibashi

Abstract

Geochemical characteristics of hydrothermal fluids in the Iheya North hydrothermal field, mid-Okinawa Trough, was investigated. Twelve-years observation reveals temporal variation of vent fluid chemistry potentially controlled by temporally varying pattern of the phase-separation and -segregation, w...

Subject

Hydrothermal circulation

Methanogenesis

Geology

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