Fission Track Age of Volcanoes in the Kuju Volcanic Region in Relation to Geothermal Activity

Koichiro Watanabe, Masao Hayashi, Toshio Fujino

研究成果: Contribution to journalArticle査読

4 被引用数 (Scopus)

抄録

In order to clarify the relation between volcanic and geothermal activities in the Hohi geothermal area, fission track ages of the Kuju volcanic rocks, characterized by hornblende andesite, have been measured. The results show that the Kuju volcanism began about 0.3 Ma ago and continued to several tens thousand years ago. The most active Type A geothermal fields are associated with volcanoes younger than 0.20 Ma, the active Type B fields with those from 0.15 to 0.30 Ma in most cases. The volumes of these volcanoes range from 0.3 to 3.2 km3. Larger volcanoes tend to cool down more slowly than smaller ones.

本文言語英語
ページ(範囲)207-217
ページ数11
ジャーナルjournal of the geothermal research society of japan
9
3
DOI
出版ステータス出版済み - 1987

All Science Journal Classification (ASJC) codes

  • 地球物理学

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