書誌事項
- タイトル別名
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- Eruptive History of Phreatic Activity of Kuju Volcano during the Recent 5,000 Years(＜Special Section＞Determination of the Construction of an Outcrop Database to Reveal Eruptive History)
- 最近5000年間の九重火山における水蒸気噴火の発生履歴
- サイキン 5000ネンカン ノ ココノエ カザン ニ オケル スイジョウキ フンカ ノ ハッセイ リレキ
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Kuju volcano is located along the northeastern side of the Beppu-Shimabara Graben in Kyushu Island. This volcano consists of small strato-volcanoes and lava domes. This paper reports on stratigraphy of tephra deposits by phreatic eruptions above Danbaru scoria (ca. 5-6 cal kBP). The six fallout deposits, which are phreatic origin, are identified by the field survey around the proximal area and the detailed 14C dating. The six fallout deposits are named as Kuju phreatic deposit 6 to 1 in ascending order. The eruption ages are cal BP 3610-3714, 2887-3065, 2356-2700, cal AD 214-387, 893-1152 and 1283-1393. The eruption interval is about 500±200 years. The most voluminous phreatic eruption in Kuju volcano is Kj-ph6, and it's volume is ca. 6.1×106m3. The argillaceous pyroclastic deposit, which was deposited by the surface failure around hydrothermal field, and related lahar and reworked deposits are recognized. These deposits were formed in cal AD 892 to 1152.
収録刊行物
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- 火山
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火山 59 (4), 241-254, 2014
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
- 1390282679281493760
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- NII論文ID
- 110009900565
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- NII書誌ID
- AN10512786
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- ISSN
- 21897182
- 04534360
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- NDL書誌ID
- 026023232
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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
- Crossref
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- 抄録ライセンスフラグ
- 使用不可