Gold content in siliceous deposits formed from acidic and iron-rich geothermal waters at Hatchobaru, central Kyushu, Japan

Akiko Uchida, Takushi Yokoyama, Koichiro Watanabe, Eiji Izawa

Research output: Contribution to journalArticle

Abstract

The gold content in siliceous deposits formed from geothermal waters at the Hatchobaru geothermal power station in central Kyushu, Japan, was determined by inductively coupled plasma quadrupole mass spectrometry (ICP-MS). It ranges from 1.3 to 4.6 mg/kg. The highest gold content was obtained from the siliceous deposit formed from acidic waters. In this siliceous deposit, hydrous iron(III) oxide of amorphous state is a major constituent, suggesting that hydrous iron(III) oxide might play an important role when gold is concentrated into siliceous deposits formed from acidic and iron-rich geothermal waters.

Original languageEnglish
Pages (from-to)269-271
Number of pages3
JournalResource Geology
Volume51
Issue number3
DOIs
Publication statusPublished - Sep 1 2001

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siliceous deposit
Gold
Deposits
Iron
gold
Iron oxides
iron
Water
oxide
Inductively coupled plasma
water
geothermal power
Mass spectrometry
power plant
mass spectrometry
plasma

All Science Journal Classification (ASJC) codes

  • Geology
  • Geochemistry and Petrology

Cite this

Gold content in siliceous deposits formed from acidic and iron-rich geothermal waters at Hatchobaru, central Kyushu, Japan. / Uchida, Akiko; Yokoyama, Takushi; Watanabe, Koichiro; Izawa, Eiji.

In: Resource Geology, Vol. 51, No. 3, 01.09.2001, p. 269-271.

Research output: Contribution to journalArticle

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