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Book Chapter

Otake-Hatchobaru Geothermal Field

By
Sachihiro Taguchi
Sachihiro Taguchi
Department of Earth System Science, Fukuoka University, Jonan-ku, Fukuoka-shi 814-0180, Japan
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Published:
January 01, 2001

Abstract

The Otake and Hatchobaru geothermal field is located on the northwestern slopes (900-1,100 m above sea level) of the Kuju Volcano, 4 to 5 km to the north of the fumarolic area of Kuju Iwo-yama. The geothermal system of the field is a water-dominated type and is controlled by fracture systems. The field is one of the most productive geothermal fields in Japan; Otake (12.5 MW), Hatchobaru Unit I (55 MW), and Unit II (55 MW) geothermal power plants have been operating since 1967, 1977, and 1990, respectively.

In this field, we can observe shallow geothermal phenomena such as argillic and advanced argillic alteration, steaming ground, hot springs (steam-heated water), veins, and spectacular mineralization in pipelines.

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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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