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Book Chapter

Field Stops: Kuju Iwo-yama Fumarole

By
Sachihiro Taguchi
Sachihiro Taguchi
Department of Earth System Science, Fukuoka University, Fukuoka 814-0180, Japan
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Koichiro Watanabe
Koichiro Watanabe
Department of Earth Resources Engineering, Kyushu University, Fukuoka 812-8581, Japan
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Masahiro Komatsu
Masahiro Komatsu
Department of Earth System Science, Fukuoka University, Fukuoka 814-0180, Japan
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Published:
January 01, 2001

Abstract

Kuju Iwo-yama is one of the most active fumarolic sites in Kyushu (Figs. 1 and 2). The maximum temperature recorded is 508°C (Mizutani et al., 1986). Sulfur is sublimating and sometimes we can see liquid sulfur and sulfur flows on a small scale. Along a valley of Kuju Iwo-yama, acid Cl-SO4-type water is discharging. These waters contain heavy isotopes. Advanced argillic alteration is dominant closer to the fumaroles.

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Contents

Society of Economic Geologists Guidebook Series

Epithermal Gold Mineralization and Modern Analogues, Kyushu, Japan

Craig A. Feebrey
Craig A. Feebrey
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Toshihiko Hayashi
Toshihiko Hayashi
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Sachihiro Taguchi
Sachihiro Taguchi
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Society of Economic Geologists
Volume
34
ISBN electronic:
9781934969878
Publication date:
January 01, 2001

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