書誌事項
- タイトル別名
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- Eruptive Activity of Okanodake Volcano, Futago Volcanic Group, Kunisaki Peninsula, NE Kyushu, Japan
- クニサキハントウ,リョウ コ カザングン-オカ ノダケ カザン ノ フンカ カツドウ
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We investigated the geology of Okanodake volcano and the area adjacent to it in the Futago Volcanic Group, NE Kyushu, Japan. Based on the geology and petrology of this area, the formation of Okanodake Volcano (biotitehornblende dacite) began with phreatomagmatic eruptions and ceased with effusion of lava. The age of the eruption is assumed to be 1.19Ma. The volcanic products consist of pyroclastic deposits, pyroclastic surge deposits and block-and-ash flow deposits, and intrusive rock. SiO2 contents range from 63-67wt.% and K2O contents range from 1.9-2.4wt.%. Each of the volcanic products is classified within the calc-alkali series. The volume of the various volcanic products were calculated to be ca. 0.07km3, 0.008km3, and 0.002km3, respectively. The total volume is ca. 0.06 DRE km3.
収録刊行物
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- 火山
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火山 61 (1), 225-236, 2016
特定非営利活動法人 日本火山学会
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詳細情報 詳細情報について
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- CRID
- 1390282679281286016
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- NII論文ID
- 110010051169
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- NII書誌ID
- AN10512786
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- ISSN
- 21897182
- 04534360
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- NDL書誌ID
- 027212329
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- 本文言語コード
- ja
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- データソース種別
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- JaLC
- NDL
- CiNii Articles
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- 抄録ライセンスフラグ
- 使用不可